62707 ms im / 80906 / 13006 mh im 20051205-s00014 no.a0231-1/7 http://onsemi.com stresses exceeding maximum ratings may damage the device. maximum ratings are stress ratings only. functional operation above the recommended oper ating conditions is not implied. extended exposure to stresses above the recommended operating conditions may affect device reliabili ty. semiconductor components industries, llc, 2013 may, 2013 lb1980jh overview the lb1980jh is a 3-phase brushless motor driver that is particularly appropriate for automotive. functions ? 3-phase full-wave drive ? built-in torque ripple correction circuit (variable correction ratio) ? current limiter circuit ? upper and lower side output stage over-saturation prevention circuit that does not require external capacitors. ? fg amplifier ? thermal shutdown circuit specifications absolute maximum ratings at ta = 25 c parameter symbol conditions ratings unit v cc max 7v maximum supply voltage v s max 24 v maximum output current i o max 1.3 a mounted on a board * 1.81 w allowable power dissipation pd max independent ic 0.77 w operating temperature topr -30 to 85 c storage temperature tstg -55 to +150 c * mounted on a 76.1mm 114.3mm 1.6mm, glass epoxy printed circuit board. monolithic digital ic 3-phase brushless motor driver orderin g numbe r : ENA0231a
lb1980jh no.a0231-2/7 allowable operating ranges at ta = 25 c parameter symbol conditions ratings unit v s 5 to 22 v supply voltage v cc 4.5 to 5.5 v hall input amplitude v hall between the hall inputs 30 to 80 mvo-p gsense pin input range v gsense with respect to the control system ground -0.20 to +0.20 v electrical characteristics at ta = 25 c, v cc = 5v,v s = 15v ratings parameter symbol conditions min typ max unit v cc supply current i cc r l = , v ctl =0v, v lim =0v (quiescent) 12 18 ma outputs vo sat1 i o =500ma, rf=0.5 , sink+source v ctl =v lim =5v(with saturation prevention) 2.1 2.6 v output saturation voltage vo sat2 i o =1.0ma, rf=0.5 , sink+source v ctl =v lim =5v(with saturation prevention) 2.6 3.5 v output leakage current i o leak 1.0 ma fr fr pin input threshold voltage v fsr 2.25 2.50 2.75 v fr pin input bias current i b (fsr) -5.0 ma control ctlref pin voltage v cref 2.05 2.15 2.25 v ctlref pin input range v crefin 1.50 3.50 v ctl pin input bias current i b (ctl) with v ctl =5v and the ctlref pin open 4.0 a ctl pin control start voltage v ctl (st) with rf=0.5 , v lim =5v, i o 10ma, hall input logic fixed (u, v, w=h, h, l) 2.00 2.15 2.30 v ctl pin control gm gm(ctl) with rf=0.5 , i o =200ma, hall input logic fixed (u, v, w=h, h, l) 0.46 0.58 0.70 a / v current limiter lim current limit offset vo ltage voff(lim) with rf=0.5 , v ctl =5v, i o 10ma, hall input logic fixed (u, v, w=h, h, l) 140 200 260 mv lim pin input bias current i b (lim) with v ctl =5v and the v cref pin open -2.5 a lim pin current control level i lim with rf=0.5 , v ctl =5v, v lim =2.06v hall input logic fixed (u, v, w=h, h, l) 830 900 970 ma hall amplifier hall amplifier input offset voltage voff(hall) -6 +6 ma hall amplifier input bias current i b (hall) 1.0 3.0 a hall amplifier common-mode input voltage range v cm (hall) 1.3 3.3 v trc torque ripple correction ratio trc for the high and low peaks in the rf waveform when i o =200ma. (rf=0.5 , with the adj pin open) *1 9 % adj pin voltage v adj 2.37 2.50 2.63 v fg amplifier fg amplifier input offset voltage voff(fg) -8 +8 mv fg amplifier input bias current i b (fg) -100 na fg amplifier output saturation voltage v o sat (fg) sink side, for the load provided by the internal pull-up resistor 0.5 v fg amplifier voltage gain v g (fg) for the open loop state with f=10khz 41.5 44.5 47.5 db fg amplifier common-mode input voltage v gm (fg) 0.5 4.0 v saturation saturation prevention circuit lower side voltage setting vo sat(det) the voltages between each out and rf pair when i o =10ma, rf=0.5 , and v ctl =v lim =5v 0.175 0.25 0.325 v tsd tsd operating temperature tsd design target value *2 180 c hysteresis width tsd design target value *2 20 c notes : *1. the torque ripple correction ratio is deter mined as follows from the rf voltage waveform. *2. parameters that are indicated as design target values in the conditions column are not tested.
lb1980jh no.a0231-3/7 for each hall logic setting v p v b ground level correction ratio = 25 ( v p -- v b ) 1005(%) v p -- v b w out nc nc rf(sense) gsense fr gnd fg in - fg in + fg out ctl ctlref lim fc v out u out nc nc rf(pwr) adj vs v cc w in - w in + v in - v in + u in - u in + frame gnd frame gnd lb1980jh 28 27 26 25 24 23 22 1234 567 8 9 10 11 12 13 14 21 20 19 18 17 16 15 top view package dimensions unit : mm (typ) 3233b pin assignment sanyo : hsop28h(375mil) 15.2 (6.2) 0.3 7.9 (4.9) 10.5 2.7 0.8 2.0 (0.8) 1 14 15 28 0.65 0.25 2.45max 0.1 (2.25) heat spreader 0 ambient temperature, ta -- c allowable power dissipation, pd max -- w ilb01756 0.4 0.8 1.2 1.6 1.81 0.77 2.0 -30 -20 0 20 40 60 80 100 pd max -- ta independent ic 0.94 0.40 mounted on a 76.1mm 114.3mm 1.6 mm glass epoxy printed circuit board 85
lb1980jh no.a0231-4/7 u u in + u in - v v in + v in - w w in + w in - about 0.435v cc limref ctl ctlref lim fr gnd v cc differential distribution and torque ripple correction block upper side saturation prevention control feedback amplifier fg amplifier bandgap 1.2v reference voltage control amplifier forward / reverse selection drive distribution circuit and lower side saturation prevention circuit w gm gm v u v out u out v s output stage w out rf(pwr) adj gsense fg in - fg in + fg out rf(sense) antilogarithm conversion and differential distribution tsd fc + + + + + + + + + + 24 1 28 27 14 15 16 17 18 19 20 11 12 13 7 10 9 8 23 4 5 21 6 22 hall input synthesis block (linear matrix) synthesized output logarithmic compression block block diagram
lb1980jh no.a0231-5/7 pin function pin no . pin name function equivalent circuit 27 28 1 u out v out w out u phase output, spark killer diodes are built-in. v phase output, spark killer diodes are built-in. w phase output, spark killer diodes are built-in. 4 5 rf (sense) rf (pwr) output current detection. the control block current limiter operates using the resistor rf connected between these pins and ground. also, the lower side saturation prevention circuit and the torque ripple correction circuit operate based on the voltages ac ross this resistor. it is especially important to note that, since the saturation prevention level is set using this voltage, the lower side saturation prevention circuit will become less effective in the high current region if the value of rf is lowered excessively. also, the pwr and sense pins must be connected together. 22 v s output block power supply 150 a v s v cc out rf (pwr) rf (sense) 30k 200 200 lower side saturation prevention circuit input block 10 a v cc 22 1 28 27 24 4 5 gsense ground sensing. the in fluence of the common ground impedance on rf can be excluded by connecting this pin to nearest ground for the rf resistor side of the motor ground wiring that includes rf. (this pin must not be left open.) 6 fr forward / reverse selection. the voltage applied to this pin selects the motor direction (forward or reverse). (vth=2.5v at v cc =5v (typical)) 23 adj used for external adjustment of the torque ripple correction ratio. apply a voltage externally with a low-impedance circuit to the adj pin to adjust the correction ratio. the correction ratio falls as the applied voltage is increased, and increases as the applied voltage decreases. the torque ripple correction ratio can be modified by factors in the range 0 to 2 times the ratio that applies when his pin is left open. (the pin voltage is set to about v cc / 2 internally, and the input impedance is about 5k .) 200 a v cc v cc v cc v cc fr 200 1/2 v cc 10k 10k 6k 6k 500 10k 10k adj 20 a 6 23 7 gnd ground for all circuits other than the output transistors. the lowest potential of the out put transistors is that of the rf pin. 8 fg in - input used when the fg amplifier is used as an inverting input. a feedback resistor must be connected between fg out and this pin. 9 fg in + non-inverting input used when the fg amplifier is used as a differential input amplifier. no bias is applied internally. 5 a v cc 300 fg in ( + ) fg in ( ? ) 300 8 9 10 fg out fg amplifier output. there is an internal resistive load. 14 fc speed control loop frequency characteristics correction. v cc v cc fc 10k 2k v cc fg out 300 14 10 continued on next page.
lb1980jh no.a0231-6/7 i out i out v lim =5v ctlref: open gm1=0.58a / v typ 2.10v typ control characteristics v ctl 012345 v ctl =5v ctlref: open control limiter characteristics v lim 01 2 34 200ma / v typ slope: 0.50a / v typ continued from preceding page. pin no . pin name function equivalent circuit 11 ctl speed control input. the control implemented is fixed current drive controlled by current feedback from rf. gm=0.58 / v (typical) when rf=0.5w 12 ctlref control reference voltage. while this pin is set to about 0.43 v cc internally, this voltage can be modified by applying a voltage from a low-impedance circuit. (the input impedance is about 4.3k ). 13 lim current limiter function cont rol. the output current can be varied linearly by applying a voltage to this pin. the slope is 0.5a / v (typical) when rf=0.5 . ctl ctlref v cc v cc v cc 7.5k 10k 200 200 lim 200 100 a 200 a max 11 13 12 15 16 17 18 19 20 u in + u in - v in + v in - w in + w in - u phase hall element inputs. logic high is defined as states where in + >in - . v phase hall element inputs. logic high is defined as states where in + >in - . w phase hall element inputs. logic high is defined as states where in + >in - . 200 100 a 200 (+) input 19 17 15 (--) inpu t 20 18 16 21 v cc power supply for all internal blocks other than the output block. this voltage must be stabilized so that noise and ripple do not enter the ic. truth table and control functions hall input source sink u v w fr phase v phase w h 1 phase w phase v h h l l phase u phase w h 2 phase w phase u h l l l phase u phase v h 3 phase v phase u h l h l phase w phase v h 4 phase v phase w l l h l phase w phase u h 5 phase u phase w l h h l phase v phase u h 6 phase u phase v l h l l note: since the drive technique adopted is a 180 technique, phases other than the si nk and source phase do not turn off. control function and current limiter function note: in the fr column, ?h? refers to a voltage of 2.75v or higher, and ?l? refers to 2.25v or lower (when vcc=5v.) note: in the hall input column, ?h? refers to the state in the corresponding phase where the +input is at a potential at least 0.01v higher than the -input, and ?l? refers to the state where the -input is at a potential at least 0.01v higher than the +input.
lb1980jh ps no.a0231-7/7 w out nc nc rf(sense) gsense fr gnd fg in - fg in + fg out ctl ctlref lim fc v out u out nc nc rf(pwr) adj vs v cc w in - w in + v in - v in + u in - u in + frame gnd frame gnd lb1980jh 28 27 26 25 24 23 22 1234 567 8 9 10 11 12 13 14 21 20 19 18 17 16 15 0.1 f 0.1 f 0.1 f l hall output hall output hall output gaas hall devices are recommended. l l v cc 0.5 power system ground v s voltage applied to the adj pin v cc current limiter setting voltage pin ctlref voltage pin torque command voltage pin forward / reverse command voltage pin v cc / 2 bias mr 0.1 f 75k 1k 0.1 f hall input r application circuit example on semiconductor and the on logo are registered trademarks of semiconductor components industries, llc (scillc). scillc owns the rights to a number of patents, trademarks, copyrights, trade secrets, and other intellectual property. a listing of scillc?s product/patent coverage may be accessed at www.onsemi.com/site/pdf/patent-marking.pdf. scillc reserves the right to make changes without further notice to any products herein. scillc mak es no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does scillc assume any liability ar ising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequentia l or incidental damages. ?typical? parameters which may be provided in scillc data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. all operating parameters, including ?typicals? must be validated for each customer application by customer?s techn ical experts. scillc does not convey any license under its patent rights nor the rights of others. scillc products are not designed, intended, or authorize d for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other appli cation in which the failure of the scillc product could create a situation where personal injury or death may occur. should buyer purchase or use scillc products for any such unintended or unauthorized application, buyer shall indemnify and hold scillc and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of persona l injury or death associated with such unintended or unauthorized use, even if such claim alleges that scillc was negligent regarding the design or manufacture o fthe part. scillc is an equal opportunity/affirmative action employer. this literature is subject to all applicable copyright laws a nd is not for resale in any manner.
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