ta8440h/f 2001-08-29 1 toshiba bipolar linear integrated circuit silicon monolithic ta8440h,TA8440F dc motor full bridge driver f type: under development the ta8440h is a full ? bridge driver for selecting the forward and reverse running of a motor with brushes and is able to control 4 modes of forward, reverse, stop and braking. the motor driving unit and the control unit have a separate power supply line, independently and the ta8440h is also usable as a stepping motor driver. features output current is as large as 1 .5a (ave) and 3.0a (peak). 4 modes of forward, reverse, stop, and braking are available and a counter ? electromotive force absorbing diode has been built ? in. thermal shutdown circuit incorporated. input is compatible with cmos. built ? in input pull ? up resistor. brake = 200 k ? (typ.) built ? in input pull ? down resistor. in, enable = 1 00 k ? (typ.) block diagram ta8440h/TA8440F TA8440F: 3, 6, 8, 10, 11, 12, 19, 20 pin is no connection. ta8440h TA8440F (under development) weight hzip12-p-1.78b: 4.04 g (typ.) hsop20-p-450-1.00: 0.79 g (typ.)
ta8440h/f 2001-08-29 2 pin function pin no. h f symbol functional description 1 2 enable enable terminal 2 4 in forward rotation / reverse rotation switch terminal 3 5 brake brake terminal 4 fin sg signal gnd 5 7 chop pwm signal input terminal 6 9 v cc power voltage supply terminal for control 7 1 v s power voltage supply terminal for motor driver 8 13 outa output terminal 9 15 pg power gnd 10 14, 17 common common terminal 11 16 pg power gnd 12 18 out a output terminal TA8440F: 3, 6, 8, 10, 11, 12, 19, 20 pin is no connection. function input output mode in brake enable chop outa out a motor h h h l h l cw / ccw l h h l l h ccw / cw (*) (*) l (*) stop (*) l h (*) l l brake h h h h l chop l h h h l chop * : don?t care : high impedance maximum rating (ta = 25c) characteristic symbol rating unit v cc 7 supply voltage v s 50 v input voltage v in ? 0.3~v cc v ave i o (ave.) 1.5 a output current peak i o (peak) 3.0 (note 1) a 2.52 (note 2) power dissipation p d 25.0 (note 3) w operating temperature t opr ? 30~75 c storage temperature t stg ? 55~150 c note 1: t = 100 ms note 2: no heat sink note 3: tc = 75c
ta8440h/f 2001-08-29 3 electrical characteristics (v cc = 5 v, v s = 24 v, ta = 25c) characteristic symbol test cir ? cuit test condition min typ. max unit high v in (h) 3.5 D v cc input voltage low v in (l) 1 in, chop, enable, brake gnd D 1.5 v i in ? 1 (h) chop D 5 52 i in ? 2 (h) in, enable D 40 60 input current high i in ? 3 (h) brake v in = 5 v D 0 5.5 i in ? 1 (l) chop D 0 5.5 i in ? 2 (l) in, enable D 0 5.5 input current low i in ? 3 (l) 1 brake v in = 0 v source type D 25 52 a i cc1 stop D 6 10.5 i cc2 forward / reverse D 10 14.5 current consumption (i) i cc3 2 brake D 14 18.5 ma i s1 stop D 2 4.2 i s2 forward / reverse D 3.5 5.0 current consumption (ii) i s3 2 brake D 2.5 3.7 ma upper side v sat ? u1 1.5 2.0 2.7 under side v sat ? l1 i out = 1.5a 0.7 1.25 1.9 upper side v sat ? u2 2.7 3.0 3.9 output saturation voltage under side v sat ? l2 3 i out = 3.0a 1.7 2.0 2.9 v upper side v f ? u1 D 3.5 D diode forward orientation voltage under side v f ? l1 D i out = 1.5a D 1.3 D v upper side i oh D D 200 output leakage current under side i ol 4 v s = 30v D D 100 a shut down temperature t sd D D D 170 D c t plh D 2.7 D t phl in ? out D 1.2 D t plh D 0.7 D t phl chop ? out D 2.5 D t plh D 2.9 D t phl enable ? out D 1.1 D t plh D 45 D transfer time t phl D brake ? out D 45 D s
ta8440h/f 2001-08-29 4 test circuit 1. v in (h), v in (l) , i in (h) , i in (l) test circuit 2. i cc1 , i cc2 , i cc3 , i s1 , i s2 , i s3
ta8440h/f 2001-08-29 5 test circuit 3. v sat ? l , v sat ? u note: calibrate i out to 1.5 / 3.0 a by r l . test circuit 4. i oh , i ol
ta8440h/f 2001-08-29 6 application circuit note 1: schottky diode (2gwj42) to be connected additionally between each output (pin 16 / 19 / 20 / 23) and gnd for preventing punch ? through current. note 2: utmost care is necessary in the design of the output line, v s and gnd line since ic may be destroyed due to short ? circuit between outputs, air contamination fault, or fault by improper grounding.
ta8440h/f 2001-08-29 7 package dimensions hzip12 ? p ? 1.78b unit: mm weight: 4.04 g (typ.)
ta8440h/f 2001-08-29 8 package dimensions weight: 0.79 g (typ.)
ta8440h/f 2001-08-29 9 ? toshiba is continually working to improve the quality and reliability of its products. nevertheless, semiconductor devices in general can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical stress. it is the responsibility of the buyer, when utilizing toshiba products, to comply with the standards of safety in making a safe design for the entire system, and to avoid situations in which a malfunction or failure of such toshiba products could cause loss of human life, bodily injury or damage to property. in developing your designs, please ensure that toshiba products are used within specified operating ranges as set forth in the most recent toshiba products specifications. also, please keep in mind the precautions and conditions set forth in the ?handling guide for semiconductor devices,? or ?toshiba semiconductor reliability handbook? etc.. ? the toshiba products listed in this document are intended for usage in general electronics applications (computer, personal equipment, office equipment, measuring equipment, industrial robotics, domestic appliances, etc.). these toshiba products are neither intended nor warranted for usage in equipment that requires extraordinarily high quality and/or reliability or a malfunction or failure of which may cause loss of human life or bodily injury (?unintended usage?). unintended usage include atomic energy control instruments, airplane or spaceship instruments, transportation instruments, traffic signal instruments, combustion control instruments, medical instruments, all types of safety devices, etc.. unintended usage of toshiba products listed in this document shall be made at the customer?s own risk. ? the products described in this document are subject to the foreign exchange and foreign trade laws. ? the information contained herein is presented only as a guide for the applications of our products. no responsibility is assumed by toshiba corporation for any infringements of intellectual property or other rights of the third parties which may result from its use. no license is granted by implication or otherwise under any intellectual property or other rights of toshiba corporation or others. ? the information contained herein is subject to change without notice. 000707eb a restrictions on product use
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