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FD170H complementary output driver with hall sensor this datasheet contains new product information. f eeling technology reserves the rights to modify the product specification without notice. no liability is assumed as a result of the use of t his product. no rights under any patent accompany t he sales of the product. rev1.0 may. 08, 2009 p.1 feeling technology features high sensitivity hall-effect sensor low power consumption output clamping totem-pole drivers lock-shutdown protection & auto-restart function edge detector and propagation delay timer thermal shutdown protection(tsd) available in sip-4l package for 12v to 48v dc motor / fan systems general description FD170H is a complementary dual pre-drivers output w ith embedded hall-effect sensor ic. it integrates a output clamping totem-pole drivers for npn or nmos drivers , a high sensitivity hall-effect sensor, an event t imer for rotor locked in sip-4l package, which make this solution operation under a high power conditions of dc motor s or fans as simply as possible. for safety, lock-shutdown function would turn the i cs internal drivers off avoiding over-heat when th e rotor is locked, and ic will try to re-start the rotors tor que after the time of these drivers shutdown. thermal-shutdown protection (tsd) ensures the inter nal drivers of ic are operating under a safe operat ing temperature range. all the protection mechanisms mentioned above combi ne to provide a complete protecting scenario in the motor system and avoid any possible damages and guarantee under a correct and safe operation. block diagram figure.1 halogen free bias generator chopper amp. digital control logic lsd & re-running timer delay timer edge detector 1 4 2 3 v dd gnd no so
FD170H rev1.0 may. 08, 2009 p.2 feeling technology pin connection marking distinguish figure.2 figure.3 pin descriptions legend: i=input, o=output, i/o=input/output, p=powe r supply, g=ground functional descriptions refer to the block diagram (figure.1), FD170H is co mposed of the following building blocks: bias generator the bias generator provides precise, temperature- a nd process-insensitive bias references for the anal og blocks. these references guarantee proper operation of the ic under all conditions specified in this specifica tion. timers the timers provide the lock shutdown and re-start t ime and propagation delay time counting. output drivers the output drivers include totem-pole mos transisto rs and output voltage clamping functions. chopper amplifier to achieve a higher magnetic sensitivity the choppe r amplifier structure is adopted in this design. us e of this structure dynamically removes both the offset and f licker noise at the same time. digital control logic hall sensor part C generates magnetic pole signals from the hall-effect sensor. driver part C generates switching signals to the ou tput drivers. detector part C detects the output transient status . name i/o FD170H description vdd p 1 positive power supply no o 2 driver output 1 so o 3 driver output 2 vss g 4 ground 170 1 2 3 4 vss no so vdd ymv-xx lot number 170 ymv- xx mass production version half month (ex :a,b ~ x) year (ex:2008 8)
FD170H rev1.0 may. 08, 2009 p.3 feeling technology absolute maximum ratings parameter symbol conditions values unit min. typ. max. operating temperature t op - -40 105 storage temperature t st - -55 150 dc supply voltage v dd - 29 v output voltage (no, so) v out - v dd +0.3v v supply current i dd - 2 ma continuous current i o(cont) 20 ma hold current i o(hold) 50 ma peak current i o(peak) <100s 150 ma junction temperature t j 170 power dissipation p d sip-4l 500 mw thermal resistance jc sip-4l 100 /w thermal resistance ja sip-4l 250 /w magnetic flux density b unlimited gauss ir-reflow lead temperature t p 10sec 260 255 5 o c 10 1 sec 150 10 o c 90 30 sec 2~5 o c /sec 2~5 o c /sec second ir-reflow soldering condition room temp 0 2 5 5 0 75 1 0 0 1 2 5 15 0 3 0 8 4 0 8 5 0 0 p d (m w ) t em p . ( ) o c p o w er d is sip atio n c u rv e 2 2 0 1 2 0 4 8 0 1 05 o c
FD170H rev1.0 may. 08, 2009 p.4 feeling technology recommended operating conditions parameter symbol conditions values unit min. typ. max. supply voltage v dd - 4.0 28 v operating temperature range t a - -40 105 electrical characteristics t a =25 (unless otherwise specified) parameter symbol conditions values unit min. typ. max. average supply current(no load) i dd v dd = 24v 1.0 ma on resistance r ds(on) v dd = 5v 800 v dd = 24v 500 thermal shutdown threshold t shut 150 locked rotor period t on 0.4 s locked rotor period t off 4.0 s propagation delay time t pd 10 s magnetic characteristics parameter symbol conditions values unit min. typ. max. operate points b op 5 25 50 g release points b rp -5 -25 -50 g hysteresis b hys 50 g driver output vs. magnetic pole parameter test conditions no so north pole b < brp high low south pole b > bop low high note: the magnetic pole is applied facing the branded sid e of the package hysteresis characteristics no so v brp bop b brp bop v b
FD170H rev1.0 may. 08, 2009 p.5 feeling technology r dson vs. t a 0 100 200 300 400 500 600 700 800 900 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 t a ( o c) r ds on (ohm s) vdd= 4v vdd=12v vdd=24v vdd=28v r dson vs. v dd 0 100 200 300 400 500 600 700 800 900 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 v dd (volts) r dson ( ohm s) ta = -40 ta = 25 ta = 85 magnetic parameters vs. v dd -15 -10 -5 0 5 10 15 20 25 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 v dd (volts ) magnetic field (gauss) bop, ta=25 brp, ta=25 bhyst, ta=25 magnetic parameters vs. t a -15 -10 -5 0 5 10 15 20 25 30 -4 0 -3 0 -2 0 -1 0 0 10 20 30 40 50 60 70 80 90 t a ( o c) m a g n e t ic fie ld (g a u s s ) bop, vdd= 4v brp, vdd= 4v bhyst, vdd= 4v bop, vdd=28v brp, vdd=28v bhyst, vdd=28v i dd vs t a 0 0.5 1 1.5 2 2.5 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 t a ( o c) i dd (m a) vdd= 4v vdd=12v vdd=24v vdd=28v i dd vs v dd 0 0.5 1 1.5 2 2.5 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 v dd (volts) i dd (m a) ta = -40 ta = 25 ta = 85 performance graphs figure.4 figure.5 figure.6 figure.7 figure.8 figure.9
FD170H rev1.0 may. 08, 2009 p.6 feeling technology application circuit reference figure.10 FD170H typical application circuits (two- phase) figure.11 FD170H typical application circuits (high voltage single-phase) 2.0mm 1.8mm ic1 FD170H l1 l2 q1 nmos q2 nmos r3 c2 r1 r2 c1 d1 vin gnd 2.0mm 1.8mm ic1 FD170H l1 q2 nmos q4 nmos r3 r4 c1 zd2 gnd vin q1 r1 zd3 c2 q3 pmos q5 pmos r5 r6 c3 c4 zd1
FD170H rev1.0 may. 08, 2009 p.7 feeling technology FD170H output waveforms description figure.12 v dd so no re-start time t on shutdown time t off rotor stop normal operation time propagation delay time output falling edge detection point transient point no so output clamping voltage
FD170H rev1.0 may. 08, 2009 p.8 feeling technology FD170H output waveforms measurement FD170H normal operation input voltage: +5.0v ch1: no output ch2: so output figure.13 FD170H rotor locked and auto re-start rotation input voltage: +5v ch1: no output ch2: so output off time(t off ): ~ 3.8 s on time(t on ): ~ 0.4 s figure.14
FD170H rev1.0 may. 08, 2009 p.9 feeling technology FD170H switching input voltage: +5v ch1: no output ch2: so output switching delay time: no off so on ( ~ 10 s) figure.15 FD170H switching input voltage: +5v ch1: no output ch2: so output switching delay time: so off no on ( ~ 10 s) figure.16
FD170H rev1.0 may. 08, 2009 p.10 feeling technology package dimension (unit: mm) sip-4l (halogen free) 2 - 3 d e g . 2 - 5 d e g . 4.20.1 0.4570.025 1.270.025 0.390.05 0.380.05 1.550.25 0.730.03 5.230.12 3 . 6 6 0 . 1 2 15.01.0 2.00mm 1.80mm sensor location
FD170H rev1.0 may. 08, 2009 p.11 feeling technology packing specification bag & box dimansion packing quantity specifications 1000 ea / 1 bag 20 bags / 1 inside box 4 inside boxes / 1 carton order information part number operating temperature package description moq msl FD170H-g1 -40 to +105 sip-4l 50g (b) 1,000 ea / bag 3 bag bag label 160 mm 200 mm box label 190 mm 630 mm 100 mm ftc logo inside box carton label ftc logo 240mm 400mm 650mm carton

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