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? semiconductor components industries, llc, 2016 1 publication order number: april 2016- rev. 0 lb11620gp/d lb11620gp overview the lb11620gp is a direct pwm drive pre-driver ic that is optimal for three-phase power brushless motors. a mo tor driver circuit with the desired output capability (voltage and current ) can be implemented by adding discrete transistors or other power devices to the outputs of this ic. since the lb11620gp is provided in a miniature pa ckage, it is also appropriate for use with miniature motors as well. features ? three-phase bipolar drive ? direct pwm drive (input of either a control voltage or a variable-duty pwm signal) ? built-in forward/reverse switching circuit ? 5v regulator output (vreg pin) ? built-in current limiter circuit (0 .25v (typical) reference voltage) ? built-in under voltage protection circuit ? built-in automatic recovery type constr aint protection circuit (on: off=1: 18) with protection operating state discrimination output (rd pin) ? hall signal pulse outputs typical applications ? server ? home appliance www.onsemi.com ordering information ordering code: LB11620GP-TE-L-H package vct24 (pb-free / halogen free) shipping (qty / packing) 2000 / tape & reel three-phase direct pwm brushless motor driver vct24 ( 3.53.5 ) ? for information on tape and reel specifications, including part orientation and tape sizes, please refer to our tape and reel packaging specifications brochure, brd8011/d. http://www.onsemi.com/pub_link/collateral/brd8011-d.pdf xxxxx = specific device code y = year m = month ddd = additional traceability data generic marking diagram* xxxxxx ymddd
lb11620gp www.onsemi.com 2 specifications maximum ratings / ta = 25 ? c (note 1) parameter symbol conditions ratings unit supply voltage 1 v cc max v cc pin 18 v output current i o max ul, vl, wl, uh, vh, wh pins 30 ma allowable power dissipation pd max *mounted on a circuit board. 1.0 w operating temperature topr -30 to +100 ? c storage temperature tstg -55 to +150 ? c 1. stresses exceeding those listed in the absolute maximum rating table may damage the device. if any of these limits are exceeded , device functionality should not be assumed, damag e may occur and reliability may be affected. 2. mounted on a circuit board: 40.0mm ? 50.0mm ? 0.8mm, glass epoxy board. recommended operating ranges at ta = 25 ? c (note 3) parameter symbol conditions ratings unit supply voltage range 1-1 v cc 1-1 v cc pin 8 to 17 v supply voltage range 1-2 v cc 1-2 v cc pin, with v cc shorted to vreg 4.5 to 5.5 v output current i o ul, vl, wl, uh, vh, wh pins 25 ma 5 v constant voltage output current ireg -30 ma hp pin voltage vhp 0 to 17 v hp pin output current ihp 0 to 15 ma rd pin voltage vrd 0 to 17 v rd pin output current ird 0 to 15 ma 3. functional operation above the stresses listed in the recommended o perating ranges is not implied. extended exposure to stresse s beyond the recommended operating ranges limits may affect device reliability. electrical characteristics at ta ? 25 ? c, v cc = 12v (note 4) parameter symbol conditions ratings unit min typ max supply voltage 1 i cc 1 12 16 ma 5v constant voltage output (vreg pin) output voltage vreg 4.7 5.0 5.3 v line regulation ? vreg1 v cc = 8 to 17v 40 100 mv load regulation ? vreg2 i o = -5 to -20ma 10 30 mv temperature coefficient ? vreg3 design target 0 mv/ ? c low-voltage protection circuit (vreg pin) operating voltage vsdl 3.5 3.7 3.9 v clear voltage vsdh 3.95 4.15 4.35 v hysteresis ? vsd 0.3 0.45 0.6 v output block output voltage 1-1 v out 1-1 low level i o = 400 ? a 0.2 0.5 v output voltage 1-2 v out 1-2 low level i o = 10ma 0.9 1.2 v output voltage 2 v out 2 high level i o = -20ma v cc -1.1 v cc -0.9 v output leakage current i o leak 10 ? a continued on next page
lb11620gp www.onsemi.com 3 continued from preceding page. parameter symbol conditions ratings unit min typ max hall amplifier block input bias current ihb (ha) -2 -0.5 ? a common-mode input voltage range 1 vicm1 when a hall effect sensor is used 0.5 v cc -2.0 v common-mode input voltage range 2 vicm2 for single-sided input bias (hall ic application) 0 v cc v hall input sensitivity 80 mvp-p hysteresis ? v in (ha) 15 24 40 mv input voltage low ? high vslh (ha) 5 12 20 mv input voltage high ? low vshl (ha) -20 -12 -5 mv pwm oscillator (pwm pin) high-level output voltage v oh (pwm) 2.75 3.0 3.25 v low-level output voltage v ol (pwm) 1.2 1.35 1.5 v external capacitor charge current ichg vpwm = 2.1v -120 -90 -65 ? a oscillator frequency f (pwm) c = 2000pf 22 khz amplitude v (pwm) 1.4 1.6 1.9 vp-p ei+ pin input bias current ib (ctl) -1 1 ? a common-mode input voltage range vicm 0 vreg-1.7 v input voltage 1 vctl1 output duty 100% 3.0 v input voltage 2 vctl2 output duty 0% 1.35 v input voltage 1l vctl1l design target value. when vreg = 4.7v, 100% 2.82 v input voltage 2l vctl2l design target value. when vreg = 4.7v, 0% 1.29 v input voltage 1h vctl1h design target value. when vreg = 5.3v, 100% 3.18 v input voltage 2h vctl2h design target value. when vreg = 5.3v, 0% 1.44 v hp pin output saturation voltage vhpl i o = 10ma 0.2 0.5 v output leakage current ihpleak v o = 18v 10 ? a csd oscillator (csd pin) high-level output voltage v oh (csd) 2.7 3.0 3.3 v low-level output voltage v ol (csd) 0.7 1.0 1.3 v external capacitor charge current ichg1 vcsd = 2v -3.15 -2.5 -1.85 ? a external capacitor discharge current ichg2 vcsd = 2v 0.1 0.14 0.18 ? a charge/discharge current ratio rcsd charge current /discharge current 15 18 21 times rd pin low-level output voltage vrdl i o = 10ma 0.2 0.5 v output leakage current il (rd) v o = 18v 10 ? a current limiter circuit (rf pin) limiter voltage vrf rf-gnd 0.225 0.25 0.275 v pwmin pin input frequency f (pi) 60 khz high-level input voltage v ih (pi) 2.0 vreg v low-level input voltage v il (pi) 0 1.0 v input open voltage v io (pi) vreg-0.5 vreg v hysteresis v is (pi) 0.2 0.25 0.4 v high-level input current i ih (pi) vpwmin = vreg -10 0 10 ? a low-level input current i il (pi) vpwmin = 0v -130 -90 ? a continued on next page
lb11620gp www.onsemi.com 4 continued from preceding page. parameter symbol conditions ratings unit min typ max f/r pin high-level input voltage v ih (fr) 2.0 vreg v low-level input voltage v il (fr) 0 1.0 v input open voltage v io (fr) vreg-0.5 vreg v hysteresis v is (fr) 0.2 0.25 0.4 v high-level input current i ih (fr) -10 0 10 ? a low-level input current i il (fr) -130 -90 ? a n1 pin high-level input voltage v ih (n1) 2.0 vreg v low-level input voltage v il (n1) 0 1.0 v input open voltage v io (n1) vreg-0.5 vreg v high-level input current i ih (n1) vn1 = vreg -10 0 10 ? a low-level input current i il (n1) vn1 = 0v -130 -100 ? a 4. product parametric performance is indicated in the electrical characteristics for t he listed test conditions, unless otherwise noted. product performance may not be indicated by the electrical characteristics if operated under different conditions.
lb11620gp www.onsemi.com 5 package dimensions unit : mm (typ) (unit: mm) 3.20 3.20 0.30 0.50 0.70 soldering footprint* note: the measurements are not to guarantee but for reference only. 0.20 vct24 3.5x3.5, 0.5p case 601ad issue a
lb11620gp www.onsemi.com 6 pin assignment pd max ta 0 0.8 0.40 0.4 1.2 -30 90 60 30 0 120 0.2 0.6 1.0 ambient temperature, ta -c allowable power dissipation, pd max -w specified circuit board : 40.0 50.0 0.8mm 3 glass epoxy board 1 2 lb11620gp in1 + in2 - in2 + in1 - ul uh vl vh wl wh rf gnd pwm in3 + in3 - rd csd pwmin f/r hp n1 ei + vreg v cc 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
lb11620gp www.onsemi.com 7 ? three-phase logic truth table (in = ?h? indicates the state where in + > in - ) f/r = ?l? f/r=?h? output in1 in2 in3 in1 in2 in3 pwm 1 h l h l h l vh ul 2 h l l l h h wh ul 3 h h l l l h wh vl 4 l h l h l h uh vl 5 l h h h l l uh wl 6 l l h h h l vh wl ? pwmin pin input state state high or open output off low output on if the pwm pin is not used, the inpu t must be held at the low level. ? n1 pin input state hp output high or open three hall sensor synthesized output low single hall sensor output explanation of pin functions pin no. pin description 1, 24 3, 2 5, 4 in1 + , in1 - in2 + , in2 - in3 + , in3 - hall sensor inputs from each motor phase. the logic high state indicates that in + > in - . if inputs are provided by a hall effect sensor ic, the commo n-mode input range is expanded by biasing either the + or - input. 6 pwm functions as both the pwm oscillator frequency setting pi n and the initial reset pulse se tting pin. connect a capacitor between this pin and ground. 7 rd lock (motor constrained) detection stat e output. this output is turned on when the motor is turning and off when the lock protection function detects that the motor has been stopped. this is an open collector output. 8 csd sets the operating time for the lock protection circuit. connect a capacitor between this pin and ground. connect this pin to ground if the lock protection function is not used. 9 pwmin pwm pulse signal input. the output goes to the drive state when this pin is low and to the off state when this pin is h igh or open. to use this pin for control, a ctl amplifier input such that the toc pin voltage goes to the 100% duty state must be provided. 10 f/r forward/reverse control input 11 hp hall signal output (hp output). this provides either a single hall sensor output or a synthesized 3-sensor output. 12 n1 hall signal output (hp output) selection 13 ei+ ctl amplifier + (no inverting) inpu t. the pwmin pin must be held at the low level to use this input for motor control 14 vreg 5v regulator output (used as the control circuit pow er supply. a low-voltage protection circuit is built in.) connect a capacitor between this pin and ground for stabilization. 15 v cc power supply. connect a capacitor between this pin and gr ound to prevent noise and other disturbances from affecting this ic. 16 gnd ground 17 rf output current detection. the current detection resistor (rf) voltage is sensed by th e rf pin to implement current detection. the maximum output current is set by rf to be iout = 0.25/rf. 22 20 18 uh vh wh outputs (pwm outputs). these are push-pull outputs. 23 21 19 ul vl wl outputs these are push-pull outputs.
lb11620gp www.onsemi.com 8 hall sensor signal input/output timing chart f/r = " l " in1 in2 in3 uh ul vl wl wh vh f/r = " h " in1 in2 in3 uh ul vl wl sections shown in gray are pwm output periods. wh vh
lb11620gp www.onsemi.com 9 block diagram and application example 1 bipolar transistor drive (high side pwm) using a 5v power supply vm 5v gnd v cc rf wl vl ul uh vreg v cc vh wh + - in3 + ctl vreg hp ei + pwm pwmin + + + pwm osc pwm in pri driver curr lim control logic vreg lvsd comp csd osc rd f/r n1 hp logic hall hys amp in2 + in1 + in1 f/r in3 - in2 - in1 - vreg rd csd hall logic
lb11620gp www.onsemi.com 10 application example 2 54 mos transistor drive (low side pwm) using a 12v single-voltage power supply vm(12v) gnd tr tr tr v cc rf wh vh uh ul vreg v cc vl wl + - in3 + vreg hp ei + pwm pwmin + + pwm osc pwm in pri driver curr lim control logic vreg lvsd comp csd osc rd f/r n1 hp logic hall hys amp in2 + in1 + in1 f/r in3 - in2 - in1 - vreg rd csd hall logic
lb11620gp www.onsemi.com 11 application example 3 mos transistor drive (low side pwm) using a v cc = 12v, vm = 24v power supply system v cc (12v) gnd v cc rf wh vh uh ul vreg v cc vl wl + - in3 + vreg hp ei + pwm pwmin + vm(24v) + + pwm osc pwm in pri driver curr lim control logic vreg lvsd comp csd osc rd f/r n1 hp logic hall logic hall hys amp in2 + in1 + in1 f/r in3 - in2 - in1 - vreg rd csd
lb11620gp www.onsemi.com 12 application example 4 mos transistor drive (low side pwm) using a 24v single-voltage power supply gnd v cc rf wh vh uh ul vreg v cc vl wl + - in3 + vreg hp ei+ pwm pwmin + vm(24v) + pwm osc pwm in pri driver curr lim control logic vreg lvsd comp csd osc rd f/r n1 hp logic hall logic hall hys amp in2 + in1 + in1 f/r in3 - in2 - in1 - vreg rd csd
lb11620gp www.onsemi.com 13 pin functions pin no. pin name functi on equivalent circuit 24 1 2 3 4 5 in1- in1+ in2- in2+ in3- in3+ hall input pin. in+ > in- to ?h?, in+ ? in- to ?l?. connect the capacitor between in+ and in- when the noise of the hall signal becomes a problem. v cc 24 2 4 1 3 5 6 pwm functions as both the pwm oscillator frequency setting pin and the initial reset pulse setting pin. connect a capacitor between this pin and ground. it is possible to set it to about 22khz with c=2000pf. vreg 6 7 rd lock (motor constrained) detection state output. this output is turned on when the motor is turning and off when the lock protection function detects that the motor has been stopped. vreg 7 11 11 hp hall signal output pin. two kinds of outputs can be selected by setting the n1 pin. 8 csd sets the operating time fo r the lock protection circuit. connect a capacitor between this pin and ground. connect this pin to ground if the lock protection function is not used. vreg 8 9 pwmin pwm pulse signal input. the output goes to the drive state when this pin is low and to the off state when this pin is high or open. to use this pin for control, a ctl amplifier input such that the toc pin voltage goes to the 100% duty state must be provided. vreg 9 10 10 f/r forward/reverse control input. continued on next page
lb11620gp www.onsemi.com 14 continued from preceding page. pin no. pin name functi on equivalent circuit 10 f/r forward/reverse control input. 12 n1 hall signal output (hp output) selection. vreg 12 13 ei+ ctl amplifier + (no inverting) input. the pwmin pin must be held at the low level to use this input for motor control. v cc 13 14 vreg stabilizing supply output pin. (5v output) connect a capacitor between this pin and ground for stabilization. (about 0.1 ? f level) v cc 14 15 vcc power supply. connect a capacitor between this pin and ground to prevent noise and other disturbances from affecting this ic. 16 gnd ground 17 rf output current sensing pin. the low resistance is connected between rf and gnd. it sets it by output maximum current iout=0.25/rf. vreg 17 18 19 20 21 22 23 wh wl vh vl uh ul output pin. (driving external tr output) the duty is controlled on uh, vh, and wh side. v cc 18 19 20 21 22 23
lb11620gp www.onsemi.com 15 on semiconductor and the on logo are registered trademarks of semiconductor components industries, llc (scillc) or its subsidiaries in the united st ates and/or other countries. scillc owns the rights to a number of patents, trademarks, copyrights, trade secrets, and other intellectual property. a lis ting 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 with out further notice to any products herein. scillc makes no warranty, representation or guarantee regarding the suitability of its products for any parti cular purpose, nor does scillc assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. ?typical? parameters which may be provided in scillc data sheets and/or specific ations can and do vary in different applications and actual performance may vary over time. all operating parameters, including ?typicals? must be validated fo reach customer application by customer?s technical experts. scillc does not convey any license under its patent rights nor the rights of others. scillc pro ducts are not designed, intended, or authorized for use as com ponents in systems int ended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application 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 ar ising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that sci llc was negligent regarding the design or manufacture of the part. scillc is an equal opportunity/affirmative action employer. this literature is subject t oall applicable copyright laws and is not for resale in any manner.

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