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[ a p1012 a ] m s1493 - e - 0 3 201 4 / 12 - 1 - 1. genaral description the ap1012 a is a dual h - b ridg e motor driver which has four dr ive modes: forward, reverse, brake and standby, to operate up to 18v motor supply voltage. a n n - channel ldmos is built in for both high and low sides of the output driver to minimize the device size. additionally, the ap1012 a has under voltage detection and thermal shutdown circuits. it is housed in a small 24 - pin q fn package, suitable for driving various types of small motors. 2. fea tures ? control s upply voltage 2. 7 to 5.5v ? logic te r minal supply voltage 1.62v to control supply voltage ? wid e motor drive operating voltage 2 to 18v (nmos high side and low side architecture) ? maximum output current(dc) 1.3a ? maximum output current(peak) 3.0a (ta = 25 c, less than 10ms in 200ms or less than 5ms in 100ms) ? maximum output current(peak) 4.5a (ta = 25 c,less than 5ms in 200ms or less t han 2.5m s in 200ms ) ? h - bridge on resistance ron(top+bpt) = 0.36 (typ )@25 c ? power - down mode vm c onsumption current less than 2 a(ta = 25 c) ? built - in under voltage detection circuit detection voltage ; 2.2v(typ ) ? built - in thermal shut down circuit 175 c (typ ) ? junction temperature (tj) 150 c (max ) ? package 24 - pin qfn (4mmx4mm) 18v dual h - bridge motor driver ic a p1012 a
[ a p1012 a ] m s1493 - e - 0 3 201 4 / 12 - 2 - 3. table of contents 1. genaral description ................................ ................................ ................................ ................................ ... 1 2. features ................................ ................................ ................................ ................................ ...................... 1 3. table of contents ................................ ................................ ................................ ................................ ....... 2 4. block diagram ................................ ................................ ................................ ................................ ........... 3 5. ordering guide ................................ ................................ ................................ ................................ .......... 3 6. pin configurations and functions ................................ ................................ ................................ .............. 4 pin configurations ................................ ................................ ................................ ................................ ... 4 functions ................................ ................................ ................................ ................................ ................. 4 terminal equivalent circuit ................................ ................................ ................................ ...................... 5 7. absolute maximum ratings ................................ ................................ ................................ ...................... 6 8. recommended operating conditions ................................ ................................ ................................ ........ 6 9. electrical characteristics ................................ ................................ ................................ ........................... 7 10. functional descriptions ................................ ................................ ................................ ......................... 9 11. recommended e xternal circuits ................................ ................................ ................................ .......... 11 recommended external circuits ................................ ................................ ................................ ........... 11 reference value ................................ ................................ ................................ ................................ .... 11 12. package ................................ ................................ ................................ ................................ ................ 12 outline dimensions ................................ ................................ ................................ ............................... 12 marking ................................ ................................ ................................ ................................ ................. 12 13. revise history ................................ ................................ ................................ ................................ ...... 13 important notice ................................ ................................ ................................ .............................. 14
[ a p1012 a ] m s1493 - e - 0 3 201 4 / 12 - 3 - 4. b lock diagram figure 1 . block diagram 5. ordering guide ap1012 a - 30 to 85 c 24 - pin qfn - v c cl ch vg in1a in1b in2a in2b v m 1 v m2 p gnd pgnd out1a out2a out1b out2b v io vc vg charge pump thermal shut down under voltage detection vref osc v io en dgnd control logic pre driver psave
[ a p1012 a ] m s1493 - e - 0 3 201 4 / 12 - 4 - 6. pin configurations and functions pin configura tions functions pin number name i/o ( note 1 ) function remark 14 vg o charge pump output capacitor connection l 15 ch i/o charge pump capacitor connection l 16 cl i/o charge pump capacitor connection 21,22 vm1 p motor driver power supply 19,20 out1a o motor driver output 23,24 out1b o motor driver output exposed pad pgnd p power groun d ( note 2 ) 11,12 out2a o motor driver output 7 ,8 out2 b o motor driver output 9,10 vm2 p motor driver power supply 4 in2b i control signal input 3 in2a i control signal input 2 in1b i control signal input 1 in1a i control signal input 13 dgnd p digital ground 5 en i enable signal input 10 0k pull - up 6 psave i power save input 100k pull - up 18 vio p logic input terminal power supply 17 vc p control power supply note 1 . i(input pin) , o(output pin), p(p ower pin) note 2 . the exposed pad must be connected to power ground and dgnd. note 3 . the same voltage must be supplied to vm1 ( pin no.21, 22) and the vm2 ( pin no.9, 10) each other. 1 2 3 4 5 6 1 8 1 7 1 6 1 5 1 4 1 3 7 8 9 10 11 1 2 19 20 21 22 23 24 ep(gnd) in1 a in1 b in2 a in2 b en psave out2b out2b vm2 vm2 out2a out2a vio vc cl ch vg dgnd out1b out1b vm1 vm1 out1a out1a (top view)
[ a p1012 a ] m s1493 - e - 0 3 201 4 / 12 - 5 - terminal equivalent circuit pin no. name fun c tion equivalent circuits 21,22 9,10 vm1 vm 2 motor driver power supply (the same voltage must be supplied to vm1(pin no. 21,22)and vm2(pin no. 9,10) each other) 18 vio logic input terminal power supply 17 vc control power supply 5 6 en psave logic input (built - in p ull - up resisto r) 1 2 3 4 in1a in1b in2a in2b control signal input 19,20 23,24 11,12 7,8 out1a out1b out2a out2b motor driver output 14 15 vg ch charge pump output ca pacitor connection charge pump capacitor connection 16 cl charge pump capacitor connection 13 exposed pad dgnd pgnd ground terminal power ground terminal dgnd pgnd vc cl pgnd ch vm2 vg vm out1a out2a pgnd out1b out2b 2k 2k vio 100k 2k 2k
[ a p1012 a ] m s1493 - e - 0 3 201 4 / 12 - 6 - 7. absolute ma ximum ratings parameter symbol min max unit remark control supply voltage vc - 0.5 6 v logic terminal supply voltage vio - 0.5 6 v vio is under vc voltage ( note 6 ) motor driver supply voltage vm - 0.5 19 v vio level terminal voltage (psave,en,in1a,in1b,in2a and in2b) vterminal1 - 0.5 5.5 v vm level terminal voltage (out1a,out1b,out2a and out2b) vterminal2 - 0.5 19 v vg,ch terminal voltage vterminal3 - 0.5 25 v maximum dc output current iloaddcmd - 1.3 a outna and outnb te r minal maximum peak output current iloadpeakmd - 3 4.5 a outna and outnb t erminals l ess than 1 0 ms in 200ms less than 5ms in 200ms power dissipation pd 1625 mw ta=85 c ( note 5 ) operating temperatur e range ta - 30 85 c junction temperature tj 150 c storage temperature tstg - 65 150 c note 4 . all above v o ltages respect to ground (dgnd/pgnd terminal voltage). note 5 . the rating is calculated by r j = 40 c/w under the condition when 4 layer board is used. the ep terminal is connected to ground. compliant to semi jedec jesd51 - 6, jesd51 - 7. note 6 . logic terminal suppl y voltage (vio) needs to be tu r ned on prior to or at the same ti me as control supply voltage(vc). warning: operation at or beyond these limits may result in permanent damage to the device. normal operation is not guaranteed at these extremes. 8. recommended operating conditions parameter symbol min typ max unit remar k control supply voltage vc 2.7 3.3 5.5 v logic terminal supply voltage vio 1.62 1.8/3.3 vc v motor driver supply voltage vm 2.0 - 18 v input frequency range (50% duty) fin - - 200 khz
[ a p1012 a ] m s1493 - e - 0 3 201 4 / 12 - 7 - 9. ele ctrical characteristics ( ta = 25 c, vm = 15v and vc = 3.3v, otherwise specified. ) parameter symbol min typ max unit c onditions charge pump charge pump voltage vg 18.0 18.2 18.3 v vg = vc + vm charge pump wake up time t vg 0.1 1 3 ms vg = vc + vm C 0.3v vdet1 vc under voltage detect voltage vc detlv 1.9 2.2 2.5 v tsd thermal shutdown temperature ( note 7 ) t det 150 175 200 c temperature hysteresis ( note 7 ) t dethys 20 3 0 40 c consumption current current vm c onsumption current at no power i vmnopow+ - - 2 a vc = 0v vm c onsumption current at s tandby i vmstby - 15 70 a psave = l , en = h inna = l , innb = l vc c onsumption current at standby i vcstby - 150 300 a psave = l , en = h inna = l , innb = l vc c onsu mption c urrent at power save i vcpsave - - 1 a psave = h , en = h vc c onsumption current at pwm operation i vcpwm - 1 2 ma inna = 200khz, innb = h motor driver driver on resistance (high side or low side) r on1 - 0.18 0.25 vc = 3.3v, iload = 100ma ta = 25 c driver on resistance (high side or low side) ( note 7 ) r on2 - 0.2 2 0. 27 vc = 3.3v, iload = 1.2a ta = 25 c (equivalent tj = 85 c) drive on resistance (high side or low side) ( note 7 ) r on3 - 0.27 0.32 vc = 3.3v, iload = 1.2a ta = 85 c (equivalent tj = 150 c) body diode forward voltage v fmd - 0.8 1.2 v i f = 100 ma h - bridge propagation delay time (l l) ( note 8 ) t pdlhb - - 0.5 s tr = tf = 10ns h - bridge propagation delay time (h h) ( note 8 ) t pdhhb - - 1.0 s tr = tf = 10ns h - bridge propagation delay time (hiz h) t pdzhhb - - 0.5 s tr = tf = 10ns h - bridge propagation delay time (h hiz) t pdzhhb - - 2.0 s tr = tf= 10ns h - bridge output pulse width t pwdhb 0.6 - - s pwl = 1.0 s, tr = tf = 10ns control logic input high level voltage (inna, innb) v ih 0.7 vio - - v vio = 1.6v to 5.5v input low level voltage (inna, innb) v il - - 0.3 vio v note 7 . not tested in production. note 8 . refer to figure 2 .
[ a p1012 a ] m s1493 - e - 0 3 201 4 / 12 - 8 - figure 2 . output propagate delay time cha rt tp wi tp wo tpd l inb ( ina= inb DDD ) tpdh outa outb 50% 90% 10% 50%
[ a p1012 a ] m s1493 - e - 0 3 201 4 / 12 - 9 - 10. funct ional descriptions 10.1 control logic input and output statuses of each operation mode are shown below. psave en input output motion inna innb outna outnb l h l l z z standby (idling) l h l h l h reverse l h h l h l forward l h h h l l brake l l x x l l brake h x x x z z power save ( note 9 ) note 9 . tsd/uvlo/vref/osc/charge pump circuits are shut down. 10.2 basic architecture of the motor driver the ap1012 a has an n - channel ldmos fet for both high and low sides in the output circuit, so that a small package can be adopted. high side fet is driven by vg voltage, vg= vm+ vc is generated by a charge pump. vg voltage r eaches the targete d voltage level within 1ms (typ ) after starting th e charge pump. the char ge pump operates at 360khz (typ ) low side fet is driven by vc voltage. figure 3 . equivalent circuit of motor driver block the osc block supplies a drive pulse to the charge pump . the input interface block is operated by vio power supply for logic input terminal vio power supply needs to be tumed on at the same time as or earlier than vc power supply. (if the vio is tu rn ed on later than the vc, it is recommend to connect pull - up r esistance about 5ook between the vio and the vc pins to avoid an uncertainty stats of the circuit). en logic enable control charge pump pre driver vg ch cl vm outa o utb pgnd ina inb vg vg vc vc
[ a p1012 a ] m s1493 - e - 0 3 201 4 / 12 - 10 - 10.3 protection circuits the ap10 1 2a has penetration current prevention, thermal shut down and under voltage detection circuits. ? penetration current preventi on circuit mos fet turns off both of high side and low side during the dead time period when penetration current prevention circuit operates . during this period, either body diode is turn on depend s on the direction of the current. figure 4 show s an example when the ap101 2a drive s the output from l to h in . (a) show s the case that current flows from external load to the ap101 2a , (b) show s the case that current flows from the ap101 2a to external load figure 4 . difference in output ter minal by load current direction ? thermal shutdown the ap1012 a prevents damages from self - heating by setting outa and outb outputs hi - z when abnormal high temperature (175 c typ ) is detected. the ap1012 a is able to r eturn to normal operation as soon as the temperature drops to the level lower than the bottom detection threshold. figure 5 . thermal shutdown operation detect high t emp. (175 typ) ? outna/outnb are hi - z wait to c ool d own (hysteresis: 30 c typ ) resume motor d river o peration outna/outnb are conform inna/innb ina/b h - side mos fet l - side mos fet on off off on outa/b (a) (b) vm vfh vfl vfh pgnd dead time vm motor pg nd outa/b on off on off off on vm vfl pgnd dead time on off (a) case for current is passed f rom external load to th is ic (b) case for current is passed from t his ic to external load
[ a p1012 a ] m s1493 - e - 0 3 201 4 / 12 - 11 - 11. r ecommended external circuits recommended external circuits figure 6 . external circuit example reference value table 1 . recommended external components items symbol min typ max unit remark motor driver power supply connection d ecupling capacitor cvm 1.0 - - f ( note 10 ) control power supply connection bypass capacitor cvc 0.1 1.0 - f please confirm an appropriate value with the actual system board. logic input terminal power supply co nnection bypass capacitor cvio 0.1 1.0 - f please confirm an appropriate value with the actual system board. charge pump capacitor1 cvg 0.047 0.1 0.22 f charge pump capacitor2 chl 0.047 0.1 0.22 f note 10 . connecting capacity of cvm, cvc and cvio should be determined in consideration of the load current profile, the load capacita nce, the wiring resistance and etc. of the actual system board. note 11 . vm1 and vm2 are n ot connected internally by a metal la yer. please connect both pins at same voltage level on the mounting board. motor mcu out1a vc 1 2 3 4 5 6 18 17 16 15 14 13 7 8 9 10 11 12 19 20 21 22 23 24 ep(gnd) out1b cl ch chl vg cvg vm dgnd vc vio vio cvio cvc out1a out1b vm1 vm1 vm cvm out 2 a out 2 a out 2 b vm 2 vm 2 vm cvm motor out 2 b in1a in1b in2 a in2b en psave v io
[ a p1012 a ] m s1493 - e - 0 3 201 4 / 12 - 12 - 12. packa ge outline dimensions 24 - pin qfn (unit mm) marking 4 . 0 0 4 . 0 0 0 . 1 0 0 . 1 0 0 . 4 0 0 . 1 0 2 . 8 0 0 . 1 0 2 . 8 0 0 . 1 0 0 . 0 5 0 . 7 5 0 . 0 5 m a x b 0 . 2 5 m 0 . 1 0 0 . 0 5 1 6 7 1 2 1 3 1 8 1 9 2 4 c a b c 0 . 3 5 0 . 5 0 r e f 0 . 0 8 c a c ( 0 . 2 0 ) y ww a (1) 1 pin indication (2) p art n umber (3) year code last 1 digit (4) week code (5) management code (1) 1012 a (3) (2) (4) (5)
[ a p1012 a ] m s1493 - e - 0 3 201 4 / 12 - 13 - 13. revise history date (yy/mm/dd) revision page contents 12/12 / 05 00 - first edition 14/ 10 / 0 9 0 1 p4 add note 3 . 14/ 12 / 03 02 p10 c orrect some sentences and figure 4 in 10.3 protection circuits . 14/12/12 03 p12 correct part number in marking (12. package) .
[ a p1012 a ] m s1493 - e - 0 3 201 4 / 12 - 14 - important notice 0. asahi kasei microdevices corporation (akm) reserves the right to make ch anges to the information contained in this document without notice. when you consider any use or application of akm product stipulated in this document ( product ) , please make inquiries the sales office of akm or authorized distributor s as to current stat us of the products. 1. all information included in this document are provided only to illustrate the operation and application examples of akm products . akm neither makes warranties or representations with respect to the accuracy or completeness of the inf ormation contained in this document nor grants any license to any intellectual property rights or any other rights of akm or any third party with respect to the information in this document. you are fully responsible for use of such information contained in this document in your product design or applications . akm assumes no liability for any losses incurred by you or third parties arising from the use of such information in your product design or applications. 2. the pro duct is neither intended nor warranted for use in equipment or systems that require extraordinarily high levels of quality and/or reliability and/or a malfunction or failure of which may cause loss of human life, bodily injury, serious property damage or s erious public impact , including but not limited to, equipment used in nuclear facilities, equipment used in the aerospace industry, medical equipment, equipment used for automobiles, trains, ships and other transportation, traffic signaling equipment, equi pment used to control combustions or explosions, safety devices, elevators and escalators, devices related to electric power, and equipment used in finance - related fields. do not use product for the above use unless specifically agreed by akm in writing . 3 . though akm works continually to improve the products quality and reliability, you are responsible for complying with safety standards and for providing adequate designs and safeguards for your hardware, software and systems which minimize risk and avoid situations in which a malfunction or failure of the product could cause loss of human life, bodily injury or damage to property, including data loss or corruption. 4. do not use or otherwise make available the product or related technology or any informat ion contained in this document for any military purposes, including without limitation, for the design, development, use, stockpiling or manufacturing of nuclear, chemical, or biological weapons or missile technology products (mass destruction weapons). wh en exporting the p roducts or related technology or any information contained in this document, you should comply with the applicable export control laws and regulations and follow the procedures required by such laws and regulations. the p roducts and relat ed technology may not be used for or incorporated into any products or systems whose manufacture, use, or sale is prohibited under any applicable domestic or foreign laws or regulations. 5. please contact akm sales representative for details as to environm ental matters such as the rohs compatibility of the product. please use the product in compliance with all applicable laws and regulations that regulate the inclusion or use of controlled substances, including without limitation, the eu rohs directive. akm assumes no liability for damages or losses occurring as a result of noncompliance with applicable laws and regulations. 6. resale of the product with provisions different from the statement and/or technical features set forth in this document shall immedi ately void any warranty granted by akm for the product and shall not create or extend in any manner whatsoever , any liability of akm. 7. this document may not be reproduced or duplicated, in any form, in whole or in part, without prior written consent of a km .

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