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www.irf.com - 1 - irplhid2a hid ballast for 70w lamp using the irs2573d table of contents page 1. features ........................................................................................... 2 2. overview .......................................................................................... 3 3. electrical characteristic .................................................................... 4 4. circuit schematic ............................................................................. 5 5. functional description ...................................................................... 7 6. fault conditions ............................................................................. 15 7. dimensioning ................................................................................. 18 8. pcb layout considerations ........................................................... 23 9. bill of materials ............................................................................... 24 10. irplhid2a pcb layout ............................................................... 26 11. inductor specifications ................................................................ . 28
www.irf.com - 2 - 1. features ? drives 1 x 70w hid lamp ? input voltage range: 185-265 vac ? high power factor / low total harmonic distortion ? controlled ignition ? low frequency square wave operation ? lamp power and current control ? open circuit and no-lamp protection ? short circuit and lamp failure to warm-up protection ? lamp end- of -life shutdown ? irs2573dspbf hid ballast control ic
www.irf.com - 3 - 2. overview the irplhid2 a re ference design kit consists of a complete ballast solution for a 70w hid lamp. the design contains an emi filter, low voltage power supply, active power factor correction and a ballast control circuit using the irs2573d. this demo board is intended to help with the evaluation of the irs2573d hid ballast control ic, demonstrate pcb layout techniques and serve as an aid in the development of production ballasts using the irs2573d. figure 2.1: irplhid2a block diagram emi filter rectifier active pfc 1 2 3 4 5 6 7 14 13 12 11 10 8 9 15 16 17 18 19 20 21 22 23 24 25 26 27 28 irs2573d control ic buck ignition switch eol control ignition control power/current control full-bridge control buck control low voltage supply full-bridge
www.irf.com - 4 - 3. electrical characteristic parameter units value lamp power [w] 70 input power [w] 75 input voltage [vacrms] 220 input current [marms] 338 lamp running voltage [vpp] 160 lamp running current [app] 1.6 output frequency [hz] 149 power fac tor 0.98 at 2 3 0 vac total harmonic distortion [%] < 10 at 2 3 0 vac input ac voltage range [vacrms] 185 - 265 table 3.1: ballast parameters.
www.irf.com - 5 - 4. circuit schematic 1 figure 4 . 1 : irplhid2 a circuit schematic 1
www.irf.com - 6 - circuit sche matic 2 figure 4.2: irplhid2a circuit schematic 2
www.irf.com - 7 - 5. functional description hid lamps have unique electrical characteristics, and require a careful control method. specifically, they require a high voltage for ignition, ty pically 3 kv to 4 kv, current limitation during warm - up , and constant power control during running. it is important to tightly regulate lamp power with respect to lamp voltage to minimize lamp - to - lamp color and brightness variations. also, hid lamps should be driven using an ac - voltage to avoid mercury migration, and at a low frequency, typically less than 200 hz, to prevent lamp damage or explosion due to acoustic resonance. all of these requirements are integrated in the irs2573d. figure 5 .1: hid lamp ignition, warm - up and running modes the irs2573d is a fully - integrated, fully - protected 600v hid control ic designed to drive all types of hid lamps. internal circuitry provides control for ignition, warm - up, running and fault operating modes. the irs257 3d features include ignition timing control, constant lamp power control, current limitation control, programmable full - bridge running frequency, programmable over and under - voltage protection and programmable over - current protection. advanced protection features such as failure of a lamp to ignite, open load, short - circuit and a programmable fault counter have also been included in the design.
www.irf.com - 8 - 5.1 irs2573d state and timing diagram figure 5.2 : irs2573d state and timing diagr am 5.2 under - voltage lockout (uvlo) mode the under - voltage lockout mode (uvlo) is defined as the state the ic is in when vcc is below the turn - on threshold of the ic. the ic is designed to maintain an ultra - low supply current during uvlo mode of 150ua, and to guarantee the ic is fully functional before v c c < u v l o - ( v c c f a u l t o r p o w e r d o w n ) u v l o m o d e f u l l - b r i d g e o f f ( c t = 0 v ) b u c k o f f ( i c o m p , p c o m p , t o f f = 0 v ) i g n t i m e r o f f ( t i g n = 0 v ) c l k o f f ( t c l k = 0 v ) i q c c # 1 5 0 p a f a u l t a n d g o o d c o u n t e r s r e s e t f a u l t l a t c h r e s e t g e n e r a l m o d e f u l l - b r i d g e o s c i l l a t i n g @ f b r i d g e b u c k e n a b l e d i g n ' l o w ' c l k a n d f a u l t c o u n t e r s e n a b l e d v s e n s e o v p e n a b l e d i s e n s e o v e r - c u r r e n t l i m i t a t i o n e n a b l e d c o n s t a n t p o w e r c o n t r o l e n a b l e d v c c > u v l o + a n d v s e n s e > v o v a n d r s t < v r s t - p o w e r t u r n e d o n f a u l t m o d e f a u l t l a t c h s e t f u l l - b r i d g e o f f ( c t = 0 v ) b u c k o f f i g n t i m e r o f f ( t i g n = 0 v ) c l k o f f ( t c l k = 0 v ) i q c c # 3 5 0 p a v c c = 1 5 . 6 v a l l c o u n t e r s r e s e t v c c < u v l o - ( p o w e r o f f ) o r r s t > v r s t + ( f a u l t r e s e t ) v s e n s e < v o v ( 1 / 7 . 5 ) f o r 1 9 7 s e c ( s h o r t c i r c u i t o r d o e s n o t w a r m u p ) o r v s e n s e < v o v ( 1 / 7 . 5 ) f o r 1 6 3 8 4 e v e n t s i g n m o d e i g n ( 2 1 s ' h i g h ' / 6 4 s ' l o w ' ) i g n i t i o n c o u n t e r e n a b l e d b u c k a n d f u l l - b r i d g e e n a b l e d c l k a n d f a u l t c o u n t e r s e n a b l e d g o o d c o u n t e r r e s e t v s e n s e o v p e n a b l e d v s e n s e < v o v ( 2 / 5 ) v s e n s e > v o v ( 2 / 5 ) v s e n s e > v o v ( 2 / 5 ) f o r 7 8 7 s e c ( o p e n c i r c u i t ) r e s e t g o o d c o u n t e r g o o d c o u n t e r = 2 7 3 0 s e c ( n o f a u l t s d e t e c t e d ) b u c k o f f m o d e b u c k o f f f u l l - b r i d g e o s c i l l a t i n g f a u l t c o u n t e r s e n a b l e d r e s e t f a u l t a n d g o o d c o u n t e r s v s e n s e < v o v ( 1 / 7 . 5 ) v o v ( 2 / 5 ) < v s e n s e < v o v a n d p c o m p > 0 . 2 v a n d i c o m p > 0 . 5 v v s e n s e > v o v o r p c o m p < 0 . 2 v o r i c o m p < 0 . 2 v v s e n s e < v o v ( 2 / 5 ) a n d p c o m p > 0 . 2 v a n d i c o m p > 0 . 5 v
www.irf.com - 9 - the buck high - side and full - bridge high and low - side output drivers are activated. the low voltage power supply is realized with buck converter circuit utilizing the link switch lnk302d (figure 4 .1). once the voltage on vcc reaches the start - up threshold (uvlo+), voltage on vsense pin is above vov threshold and the voltage on rst pin is less than 1.5v, the ic turns on and the full - bridge oscillator (ct) and gate driver outputs (ho1, lo1, ho2 and lo2) begin to oscillate. during uvlo mode, the full - bridge and buck are off, the ignition timer and clock are off, the fault and good counters are reset, and the fault latch is reset. 5.3 ignition mode the ignition timer is enabled when the ic first enters ign mo de. the ignition timer frequency is programmed with the external capacitor at the tign pin. ctign charges up and down linearly through internal sink and source currents between a fixed voltage w indow of 2v and 4v (figure 5 .3). this sets up an internal cloc k (666ms typical) that is divided out 128 times and then used to turn the ignition gate driver output (ign pin) on and off for a given on and off - time (21sec high/64sec low typical). a logic high at the figure 5.3 : ignition timer timing d iagram during the ignition phase, the lamp is an open circuit and the buck output voltage is limited to a maxim um value. the ignition circuit comprises of a diac (dign), transformer 1180sec typ. tign ign vlamp 4 v 2 v 0 v ign enabled ( 21 s typ .) ign disabled 666 ms typ . ( 64 s typ .) ign enabled ( 21 s typ .) fault mode 787 sec typ .
www.irf.com - 10 - ( l ign), capacitor (cign), resistor (rign 2 ) and switch (mign). when the ic turns on the switch mign, capacitor cign discharges through resistor rign 2 . when the voltage across dign reache s the diac threshold voltage (figure 5.4) , dign turns on and a current pulse fl ows from the buck output, through the primary winding of lign and into capacitor cign. this arrangement genera tes a high - voltage pulse on the secondary to ignite the lamp. the c apacitor cign charges up until the diac turns off, and cign then discharges down through resistor rign until the diac voltage again reaches the devices threshold and another ignition pulse occurs. figure 5 . 4 : ignition circu it t iming d iagram the ignition circuit will continuously try to ignite the hid lamp for 21sec on and 64sec off until the lamp ignites. if the lamp does not ignite after 1180sec then the ic will enter fault mode and latch off. if the lamp ignites succ essfully, the voltage at the vsense pin will fall below vov( 2/5 ) due to the low impedance of the lamp and the ignition timer will be disabled (logic low at the ign pin). 5.4 general mode during general mode, the ic reacts to the different load condit ions (open - circuit, short - circuit, lamp warm - up, constant power running, under - voltage lamp faults, transient under - voltage lamp faults, over - voltage lamp faults, lamp non - strike, etc.) by turning the buck circuit on or off, adjusting the buck circuit on - t ime, or counting the occurrence of the different fault conditions and turning the complete ic off. the ic senses the different load conditions at the vsense and isense pins, compares the voltages at these pins against the programmed thresholds at the ov a nd oc pins, and determines the correct operating mode of the ic (see state diagram). 5 . 5 full - bridge control the ic includes a complete high and low - side full - bridge driver necessary for driving the vlamp 4kv vcign vgate:mign vdiac t t vcbuck
www.irf.com - 11 - hid lamp with an ac square - wave voltage. the full - bridg e begins oscillating at the programmed frequency immediately when the ic comes out of uvlo mode and turns on. the full - bridge is typically driven at a low frequency to prevent acoustic resonances from damaging the lamp. the full - bridge frequency is progr ammed with the external capacitor at the ct pin. ct charges up and down linearly through internal sink and source currents between a fixed voltage window of 2v and 4v. ct reaching 4v initiates the toggling of lo1/ho1, and lo 2/ho2 respectively (see figure 5.5 ). the dead - time is fixed internally at 1.0us typical. during the dead - time, all full - bridge mosfets are off and the mid - points of each half - bridge are floating or unbiased. should an external transient occur during the dead - time due to an ignition vo ltage pulse, each half - bridge mid - point (vs1 and vs2 pins) can slew high or low very quickly and exceed the dv/dt rating of the ic. to prevent this, internal logic guarantees that the ign pin is set to a logic low during the dead
www.irf.com - 12 - inductor charges up to a peak level, depending on the inductance value, and the secondary winding output of the buck inductor is at some negative voltage level, depending on the ratio between the pr imary and secondary windings. the secondary winding output is measured by the zx pin, which clamps the negative voltage to a diode drop below com using the internal esd diode, and limits the resulting negative current flowing out of the pin with an externa l resistor, rzx. when the voltage on the internal on - time capacitor exceeds the voltage on the pcomp pin or icomp pin, the on - time has ended and the buck output turns off. the secondary winding output of the buck inductor transitions to some positive vo ltage level, depending on the ratio between the primary and secondary windings, and causes the zx pin to exceed the internal 2v threshold. the current in the buck inductor begins to discharge into the lamp full - bridge output stage. when the inductor curr ent reaches zero, the zx pin decreases back below the 2v threshold. this causes the internal logic of the buck control to start the on - time cycle again. this mode of operation is known as critical - conduction mode because the buck mosfet is turned on each cycle when the inductor current discharges to zero. the on - time is programmed by the voltage level on the pcomp pin, and the off - time is determined by the time it takes for the inductor current to discharge to zero, as measured by a negative - going edge o n the zx pin. the resulting shape of the current in the inductor is triangular with a peak value determined by the inductance value and on - time setting. figure 5 . 6 : buck control t iming d iagram (critical conduction mode): ch 1 is toff pin voltage, ch2 is zx pin voltage, ch3 is buck output voltage and ch4 is current through buck inductor lbuck during lamp warm - up or a short - circuit condition at the output, the inductor current will charge up to an excessive level that can sat urate the inductor or damage the buck mosfet. to prevent this condition, the buck current sensing resistor (rbcs) is set such that the voltage at the cs pin exceeds the internal over - current threshold (1.2v typical) before the inductor saturates. should the cs pin exceed 1.2v before the internal
www.irf.com - 13 - on - time capacitor reaches the voltage level on the pcomp pin or icomp pin, the on - time will end and the buck output will turn off. the off - time is determined by a negative - going edge on the zx pin, or, if the max imum off time is reached as programmed by the time it takes for the ctoff on the toff pin to charge up to an internal threshold of 2v. if the maximum off - time is reached before the inductor current discharges to zero, then the inductor will begin charging again from some value above zero. this mode of operation is known as continuous - conduction mode and results in a continuous dc current in the inductor with a ripple bounded above by the over - current threshold and below by the maximum off time setting (se e figure 5.7) . continuous - conduction mode also allows for a higher average current to flow through the buck inductor before saturation occurs than with critical - conduction mode. figure 5 . 7 : buck control t iming d iagram (co ntinuous conduction mode): ch1 is toff pin voltage, ch2 is zx pin voltage, ch3 is buck output voltage and ch4 is current through buck inductor lbuck 5.6 constant power control during the general mode of operation and after the lamp has ignited, the ic regulates the lamp output power to a constant level. to achieve this, the ic measures the lamp voltage and lamp current at the vsense and isense pins, multiplies the voltage and current together using an internal multiplier circuit to calculate power, and regulates the output of the multiplier circuit to a constant reference voltage by increasing or decreasing the buck on - time. if the lamp power is too low then the output of the multiplier will be below the internal reference voltage. the operational tra ns - conductance amplifier (ota) will output a sourcing current to the pcomp pin that will charge up the cpcomp to a higher voltage. this will increase the on - time of buck and increase the output current to the lamp for increasing the output power. if the lamp power is too high, then the opposite will occur. the ota will output a sinking current to the pcomp pin that will discharge the cpcomp to a lower voltage. this will decrease the buck on - time and cs = 1.2v
www.irf.com - 14 - decrease the output current to the lamp for decreasing the output power. the speed of the constant power control loop is set by the value of the cpcomp at the pcomp pin that determines how fast the loop will react and adjust the buck on - time over the changing load conditions. 5.7 current limitation control the constant power control loop will increase or decrease the buck current for maintaining constant power in the lamp load. during lamp warm - up, the lamp voltage can be very low (20v typical) and the constant power loop will attempt to increase the buc k current to several amps of current to maintain constant power. this high current can exceed the manufacturers maximum current rating for the hid lamp.
www.irf.com - 15 - 6. fault conditions in case of fault conditions s uch as open circuit, lamp removal, lamp extinguishes, short circuit, end - of - life and lamp failure to warm - up, the irs2573d will go into fault mode after the fault timer times out. in this mode, the internal fault latch is set, full - bridge and buck are off, ignition and fault timer are off, and the irs2573d consumes an ultra - low micro - power current. the irs2573d can be reset with a fault reset (rst > vrst+) or a recycling of vcc below and back above the uvlo thresholds. the fault timer is programmed using th e external capacitor ctclk on the tclk pin. 6.1 over - voltage fault counter the ic includes an over - voltage fault counter at the vsense pin. in the ign mode, t he over - voltage fault counter will count the time during which an over - voltage condition at the output of the buck exists due to an open - circuit condition, lamp extinguishes, lamp removal or end - of - life. figure 7.1 shows the waveforms when the ballast goes into fault mode because of over - voltage fault. when the voltage at the vsense pin remains abo ve vov (2/5) and the over - voltage fault counter t imes out (1180sec typical, with ctclk=0.18uf), the ic will enter fault mode and shutdown. before the fault counter times out, the ignition counter is enabled and the ic keeps trying to ignite the lamp for 21 sec on and 64 sec off. figure 6.1: over - voltage fault: ch1 is the vsense voltage, ch2 is ign pin voltage, ch3 is vcc and ch4 is lo voltage
www.irf.com - 16 - 6.2 under - voltage fault counter the ic also includes an under - voltage fault counter at the vsense pin. once the lamp has ignited, the lamp voltage will decrease sharply to a very low voltage (20v typical). as the lamp warms up, the lamp voltage will slowly increase until the nominal running voltage is reached (100v typical). if the lamp voltage remains to o low for too long, then this is a lamp fault condition and the ballast must shutdown. to detect this, the vsense pin includes an under - voltage threshold of vov(1/7.5). if the voltage at the vsense pin remains below vov(1/7.5) and the under - voltage fault counter times out ( 295 sec typical , with ctclk=0.18uf ), then the lamp is not warming up properly due to a lamp fault condition (end of life, etc.) and the ic will enter fault mode and shutdown. if the voltage at the vsense pin increases above vov(1/7.5) be fore the under - voltage counter times out, then the lamp has successfully warmed up and the ic will remain in general mode. figure 6.2 shows some waveforms when the ballast goes into fault mode due to under - voltage fault. figure 6.2: under - voltage faul t: ch1 is tclk pin voltage, ch2 is vsense voltage, ch3 is lo voltage and ch4 is vcc voltage 6.3 fast transient under - voltage fault counter during normal running conditions, fast transient under - voltage spikes can occur on the lamp voltage due to instab ilities in the lamp arc. the resulting transients on the vsense pin will cycle below and above the vov(1/7.5) threshold quickly (<50us). if the number of events of these transients exceeds the maximum number of events of the fault counter (16 , 384 events typical), then the ic will enter fault mode and shutdown.
www.irf.com - 17 - figure 6.3: under - voltage fault: ch1 is vsense voltage, ch2 is lo voltage, ch4 is vcc voltage and cha is zoom of vsense voltage 6.4 good counter if no faults are detected for a long period o f time (2730sec typical), as measured by the good counter, then the fault counter and good counter will both be reset to zero. also, each time a fault is counted, the good counter is reset to zero.
www.irf.com - 18 - 7. dimensioning 7.1 dimensioning: basic se ttings i ref needs to be set to the beginning, because i ref is also used for other settings. (1) ct sets the full bridge frequency. (2) ctign sets the timing for the ignition pulses. (3) (4) ctclk sets the time constants for the eol (under voltage fault/ over voltage fault) (5) (6) a k v r v i ref iref ref ? 100 20 2 ? ? ?? hz nf a c i f ct sink source ct fb 147 68 8 80 8 /, ? ? ? ? ? ? a nf i c t sink source tign tign on ign ? 6 1000 4 32 4 32 /, , ? ?? ? ?? 3 , , ?? on ign offign tt a nf i c t sink source tclk tclk uvfault ? 40 270 4 384 , 16 4 384 , 16 /, ? ?? ? ?? uvfault ovfault t t ?? 4
www.irf.com - 19 - 7.2 dimensioning: eol settings the irs2573d uses vsense pin to detect if fault condition has occurred. the voltage on the ov pin sets the reference for the eol thresholds . vsense <= vov(1/7.5) lamp under voltage fault (13% of ov) vsense >= vov(2/5) lamp over voltage fault (40% of ov) vsense >= vov buck over voltage threshold (100% of ov) during the ignition phase the buck voltage is regulated to ov (e.g. 330v). if the buck voltage stays below 13% of ov for more than 442 sec or above 40% of ov for 1769 sec, the ballast will go to fault mode and latched (ctclk=270nf). 7.3 dimensioning: buck settings x lamp parameter start with the lamp parameter: p lamp = 73 w v lamp = 100 v i lamp =0.73 a x buck current sensing resistor buck inductor over-current protection is setup by buck current sensing resistor: (7) a (set in basic settings) k v k k k k 120 50 36 100 180 180 7.5 vsense buckvoltage ov irs2573d 0.00 1.00 2.00 3.00 4.00 5.00 6.00 7.00 8.00 9.00 0 50 100 150 200 250 300 350 400 450 vsense [v] vbuck [v] eol thresholds vsense ov 13% 40% ai oc 9.0 ? ai i oc peak oc 8.12 , ???
www.irf.com - 20 - (8) x buck inductor value select input voltage for the buck, which is the b us voltage provided by boost pfc stage: select nominal frequency of the buck: calculate buck inductor value based on nominal frequency, lamp current, buck input and output voltage: (9) where and buck inductor selection value: x buck off - time programming capacitor determine buck output minimum voltage (lamp minimum voltage after ignition): c alculate buck minimum frequency in critical conduction mode : (10) : 667 . 0 8 . 1 2 . 1 , a v i v r peak oc cs bcs v v bus 400 khz f 70 h v v v i t l out bus out lamp p 733 1 2 u ? ? 1 ? u | f t 1 lamp out v v h l p 750 ) ( 20 , typical v v min out ? ? 1 ? u bus min out min out peak oc min v v v l i f 2 , , , 1 khz e 14 400 20 20 6 750 8 . 1 1 2 ? ? 1 ? u
www.irf.com - 21 - calculate t off : (11) calculate c toff : (12) off-time programming capacitor selection value: ? current sense and over-current resistor value: calculate the nominal value on vsense pin (based on nominal lamp voltage): (13) calculate the nominal value on isense pin: (14) f v v t bus min out off , 1 ? ? s ? 68 14 400 20 1 ? ? ? toff off ref toff v ti c ? ? nf v sa 4.3 2 68100 ? ? ? ?? nf c toff 3.3 ? 4321 4 , , rvsrvsrvsrvs rvs v v nom lamp nom sense ??? ? ? v kkkk k 6.1 5.7 100180180 5.7 100 ? ??? ?? nom sense sense nom isense v p v , , ? v 31 .0 6.1 5.0 ??
www.irf.com - 22 - calculate the value of current sense and over current resistors: (15) (16) over-current resistor selection value: ?? ? 43 .0 , lamp nom isense cs i v r ?? ? ?? ? k i ri r ref cs oc oc 4. 12 5.0 6.1 ?? kr oc 13
www.irf.com - 23 - 8. pcb layout considerations 1. the programming and timing components should be placed close to the ic with short traces and with grou nd connections directly to com - pin (pin 6). 2. the filter and bootstrap capacitors should also be placed close to the ic with short tracks. 3. all signal ground connections should go directly to the com pin. 4. there is only one connection from the ic com to the po wer ground. the power ground connections should also be as short as possible and with bigger track size. disclaimer this reference design is intended for evaluation purposes only and has not been submitted or approved by any external test house for conf ormance with ul or international safety or performance standards. international rectifier does not guarantee that this reference design will conform to any such standards. 1. sensitive timing components (inside black box) 2. filter and bootstrap capacitors 3. signal ground 4. power ground
www.irf.com - 24 - 9 . bill of materials item # qty manufacturer part number description reference 1 1 ir irs2 505l sot - 23 pfc ic ic1 2 1 power integration LNK302DN link switch lnk ic2 3 1 ir irs2573d hid ballast control ic ic3 4 1 ir irf840 mosfet 500v/600v mbuck 5 1 ir irf830 mosfet 500v mpfc 6 5 ir irg r3b60kd2 igbt 600v mign, mh1, ml1, mh2, ml2 7 1 vishay 8eth06 diode 600v dbuck 8 1 vishay ll4148 diode, 75v, 100ma dbuck1 9 1 vishay bzt52c15 zener diode, 15v, 500mw dvbb2 10 1 vishay bzt52c36 zener diode, 36v, 500mw dvs1 11 1 diodes inc. df10s bridge rectifier 1a, 1000v br1 12 5 diodes inc. murs160 diode, 600v, 1a, smb d3, dvbb1, dlnk1, dlnk2, dcs 13 1 schindengen k1v26 sidac 240v - 270v dign 14 1 wrth elektronik 760801032 buck inductor 0 . 75mh e e 20/ 10/11 lbuck 15 1 wrth elektronik 760801070 pfc inductor 1 . 5mh ee20/10/11 lpfc 16 1 wrth el ektronik 760370109 ignition transformer 1mh e e 25 /13/7 lign 17 1 panasonic elf - 15n007a emi inductor l1 18 1 epcos b82144b1225j000 hf - inductor llink1 19 1 panasonic ecq - e4105kf capacitor 1f/400v cbuck 20 2 vishay 2222 338 20334 capacitor 330nf/275vac x2 c1,c2 21 1 epcos b32652a6104j capacitor 100nf/630v cign 22 1 roederstein wy0222mcmbf0k capacitor 2.2nf/275vac y cap cy 23 1 wima mkp10 1nf/630v capacitor 1nf/630v cout 24 1 panasonic ece - a1en330u capacitor 33f/25v clnk3 25 1 panasonic eeu - eb2w220s capacitor 22f/450v cbus 26 1 panasonic eca - 1hm100i capacitor 10f/50v clnk2 27 3 panasonic ecj - 3yf1e225z capacitor, 2.2uf, 25v, 1206 cvb1, cvb2 , cvbb 28 1 panasonic ecj - 3yb1e105k capacitor, 1uf, 25v, 1206 ctign 1 m ulticomp mc0805b474k160ct capacitor, 470nf, 25v, 0805 cpfc2 30 1 m ulticomp mc0805b274k160ct capacitor, 270nf, 16v, 0805 ctclk 31 1 m ulticomp mc0805b 22 4k250ct capacitor, 220nf, 25v, 0805 cpfc1 32 6 panasonic ecj - 2yb1h104k capacitor, 100nf, 50v, 0805 cvcc1, cov, coc, cisense, clink1, cpfc4 33 1 panasonic ecj - 2yb1h683k capacitor, 68nf, 50v, 0805 cct 34 1 panasonic ecj - 2vb1h333k capacitor, 33nf, 50v, 0805 cpcomp 35 2 panasonic ecj - 2vb1h223k capacitor, 22nf, 50v, 0805 cvs, cpfc3 36 1 panasonic ecj - 2vb1h332k capacitor, 3.3nf, 50v, 0805 ctoff 37 1 panasonic ecj - 2vb1h102k capacitor, 1nf, 50v, 0805 cicomp 38 1 panasonic ecj - 2vc1h471j capacitor, 470pf, 50v, 0805 ccs1 39 1 m ulticomp mcsh21b101k500ct capacitor, 100pf, 50v, 0805 cpfc5 40 1 panasonic ecj - 2vc1h100d capacitor, 10pf, 50v, 0805 crzx
www.irf.com - 25 - 41 2 panasonic erj - 8enf8203v resistor, 820kohm, 0.25w, 1%, 1206 rpfc4, rpfc5 42 2 panasonic erj - 8enf1803v resistor, 180kohm, 0.25w, 1%, 1206 rvs1, rvs2 43 1 panasonic erj - 6enf1203v resistor, 120kohm, 0.125w,1%,0805 rov 44 1 panasonic erj - 8enf1003v resistor, 100kohm, 0.25w, 1%, 1206 rvs3 45 5 panasonic erj - 8enf6802v resistor, 39kohm, 0.25w, 1%, 1206 rbb1, rbb2, rbb3, rbb4, rbb5 46 1 panasonic erj - 6enf3302v resistor, 33kohm, 0.125w, 1%, 0805 rzx 47 1 panasonic erj - 6enf2202v resistor, 22kohm, 0.125w , 1%, 0805 rpfc1 48 1 panasonic erj - 6enf2002v resistor, 20kohm, 0.125w, 1%, 0805 riref 49 1 panasonic erj - 6enf1602v resistor, 16kohm, 0.125w, 1%, 0805 rpfc6 50 1 panasonic erj - 6enf1502v resistor, 15kohm, 0.125w, 1%, 0805 rlnk2 51 1 panasonic erj - 6enf13 02v resistor, 13kohm, 0.125w, 1%, 0805 roc 52 1 panasonic erj - 6enf7501v resistor, 7.5kohm, 0.125w, 1%,0805 rvs4 53 1 panasonic erj - 8enf3301v resistor, 3.3kohm, 0.25w, 1%, 1206 rlnk3 54 1 panasonic erj - 6enf2202v resistor, 2.2kohm, 0.125w, 1%,0805 rlnk1 55 3 panasonic erj - 6enf1001v resistor, 1kohm, 0.125w, 1%, 0805 risense, rccs1, rpfc3 56 7 panasonic erj - s06f22r0v resistor, 22ohm, 0.125w, 1%, 0805 rbuck1, rpfc2, rign1, rho1, rlo1, rho2, rlo2 57 2 panasonic erj - s06f10r0v resistor, 10ohm, 0.125w, 1%, 080 5 rvbb1 , rvcc 58 8 panasonic erj - 8rqf3r3v resistor, 3.3ohm, 0.25w, 1%, 1206 rbcs1, rbcs2, rbcs3, rbcs4, rbcs5, rcs1, rcs2, rcs3 59 3 panasonic erj - 8rqf2r2v resistor, 2.2ohm, 0.25w, 1%, 1206 rcs4, rcs5, rcs6 60 2 panasonic erj - 8rqf1r0v resistor, 1ohm, 0. 25w, 1%, 1206 rpfc7, rpfc8 61 1 - - resistor 0r jumper 1206 rout 62 1 vishay pr03000201802jac00 resistor 18k/3w rign2 63 2 phoenix contact mtsb 1.5/3 - 5.08 3 - pin connector x1, x2 64 2 multicomp mc33282 heatsink, to - 220 dbuck, mbuck 65 1 - - radial fuse , t 2a f1 66 22 - - test points - 67 - - - do not populate clnk4, dho1, dho2, dlo1, dlo2, lout table 9.1: irplhid2a bill of materials.
www.irf.com - 26 - 10. irplhid2 a pcb layout top assembly top copper
www.irf.com - 27 - bottom assembly bottom copper
www.irf.com - 28 - 11. inductor sp ecification wrth elektronik pn 760801032
www.irf.com - 29 - wrth elektronik pn 760801070
www.irf.com - 30 - wrth elektronik pn 760370109

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