TA8488AF 2001-06-13 1 toshiba bipolar linear integrated circuit silicon monolithic TA8488AF cylinder and capstan motor controller ic for vtr movies the TA8488AF is a single ? chip ic for vtr movie cylinder motor controllers and capstan motor controllers. both the cylinder and capstan areas are soft ? switching pre ? drivers based on a 3 ? phase full ? wave drive and pseudo ? sine wave commutation control. features operating power voltage : v cc (opr.) = 3.0 to 5.5 v built ? in fg amplifier and pg amplifier 3 ? phase full ? wave drive with hole sensors soft switching with pseudo ? wine wave commutation control built ? in short ? break function built ? in filter amplifier 3 ? phase full ? wave drive with hole sensors soft switching with pseudo ? wine wave commutation control built ? in short ? break function weight : 0.48 g (typ.)
TA8488AF 2001-06-13 2
TA8488AF 2001-06-13 3 pin descriptions pin no. pin symbol pin description pin no. pin symbol pin description 1 yec cylinder area?s torque command input pin 33 cvm capstan motor power pin 2 ypci cylinder area?s current feedback phase compensation 34 ch3 ? capstan motor hall element input 3 ypcv cylinder area?s voltage feedback phase compensation 35 ch3+ ? 4 ypcs cylinder area?s switching power control output 36 ch2 ? ? 5 ygnd cylinder area?s ground pin 37 ch2+ ? 6 ycs cylinder area?s current detection input pin 38 ch1 ? ? 7 ystb cylinder area?s stand ? by switch input 39 ch1+ ? 8 yh1+ cylinder motor hall element input 40 crsf capstan area?s direction command input pin 9 yh1 ? 41 ccs capstan area?s current detection input pin 10 yh2+ ? 42 cgnd capstan area?s ground pin 11 yh2 ? 43 csin capstan area?s switching power control no. input 12 yh3+ ? 44 cpcs capstan area?s switching power control output 13 yh3 ? 45 cpcv capstan area?s voltage feedback phase compensation 14 yvm cylinder motor power pin 46 cpci capstan area?s current feedback phase compensation 15 ym3 cylinder motor coil pin 47 ctl capstan area?s torque limit 16 ym2 ? 48 cec capstan area?s torque command input pin 17 ym1 ? 49 csw capstan area?s switching pre ? driver output 18 yl3 cylinder motor lower pre ? driver output 50 fc switching comparator triangular wave input 19 yl2 ? 51 D non ? connection 20 yl1 ? 52 v cc control circuit power pin 21 yu1 cylinder motor upper pre ? driver output 53 yfg cylinder area?s fg wave output 22 yu2 ? 54 D non ? connection 23 yu3 ? 55 ypg cylinder area?s pg wave output 24 cl3 capstan motor lower pre ? driver output 56 gnd fg, pg and general ? purpose amplifier?s ground pin 25 cl2 ? 57 refi fg, pg and control circuit?s standard voltage input 26 cl1 ? 58 ypgo cylinder area?s pg amplifier output 27 cu1 capstan motor upper pre ? driver output 59 ypgi cylinder area?s pg input 28 cu2 ? 60 yfgo cylinder area?s fg amplifier output 29 cu3 ? 61 yfgi cylinder area?s fg input 30 cm3 capstan motor coil pin 62 cout general ? purpose amplifier output 31 cm2 ? 63 cin ? general ? purpose amplifier minus input 32 cm1 ? 64 cin + general ? purpose amplifier plus input
TA8488AF 2001-06-13 4 maximum ratings (ta = 25c) characteristic symbol rating unit remarks logic power voltage v cc 8 v v cc motor power voltage v m 10 v yvm, cvm output pin voltage v n 10 v ym1, ym2, ym3, yu1, yu2, yu3, yl1, yl2, yl3, cm1, cm2, cm3, cu1, cu2, cu3, cl1, cl2, cl3 input pin voltage v i ? 0.3~ v cc 0.3 v yec, ystb, yh1+, yh1 ? , yh2+, yh2 ? , yh3+, yh3 ? , ch1+, ch1 ? , ch2+, ch2 ? , ch3+, ch3 ? , crsf, csin, ctl, fc, ypgi, yfgi, cin ? , cin+ power dissipation p d 0.95 w ic unit operating temperature t opr ? 20~75 c storage temperature t stg ? 55~125 c recommended operating conditions characteristic symbol min typ max unit power voltage v cc 4.0 4.5 5.0 v motor power voltage v m 2.0 6.0 v output voltage i o D D 12 ma
TA8488AF 2001-06-13 5 electrical characteristics (ta = 25c, v cc = 4.5 v, yvm = cvm = 6 v when not specifically designated) cylinder area no. characteristics symbol test circuit test condition min typ. max unit 1 power supply current (1) i cc (1) 1 during stb 20 ma 2 power supply current (2) i cc (2) 1 when both cap and cyl are operating 20 ma 3 torque command input current yiec 2 ? 2.3 a 4 torque command input voltage yec 3 0.5 3.5 v 5 maximum output voltage ycsmax 3 0.21 v 6 torque command i / o gain ygio 3 0.215 0.275 7 output idling voltage ycsidle 3 4 mv 8 torque command input offset yecofs 3 ? 100 100 mv 9 lower vce voltage (1) yvll (1) 4 0.22 0.45 v 10 lower vce voltage (2) yvll (2) 4 0.5 1.0 v 11 hall element input power dissipation yhin 5 1.5 2.5 v 12 hall element input conversion offset yhofs 6 ? 8 8 mv 13 ripple cancel ratio yr 3 6 16 % 14 stand ? by cancel voltage ystbl 7 1 v 15 stand ? by operating voltage ystbh 7 3.5 v 16 maximum upper drive current yiu 8 12 ma 17 maximum lower drive current yil 8 ? 12 ma 18 short break on voltage ybrk 9 2.55 2.85 v 19 short break pre ? current yibrk 9 0.8 2.0 ma 20 sw power control output gain ygpcs 10 11 19 21 sw power control voltage yvud 10 0.35 0.7 v 22 v m under limit yvml 11 1.4 2.4 v 23 ypg thresh level ypgth 12 0.475 0.575 v 24 ypg hysteresis ypghys D design assurance 54 mv 25 ypg high level ypgh 13 3 v 26 ypg low level ypgl 13 1.5 v 27 yfg hysteresis yfghys D design assurance 26 mv 28 yfg high level yfgh 13 3 v 29 yfg low level yfgl 13 1.5 v 30 ypg amplifier loop gain ypgg 31 45 db 31 yfg amplifier loop gain yfgg 31 45 db
TA8488AF 2001-06-13 6 capstan area no. characteristics symbol test circuit test condition min typ. max unit 32 torque command input current ciec 14 ? 2 a 33 torque command input voltage cec 15 0.5 D 3.5 v 34 maximum output voltage ccsmax 15 0.21 v 35 torque command i / o gain cgio 15 0.215 0.275 36 output idling voltage ccsidle 15 4 mv 37 torque command input offset cecofs 15 ? 100 100 mv 38 lower vce voltage (1) cvll (1) 16 0.22 0.45 v 39 lower vce voltage (2) cvll (2) 16 0.5 0.8 v 40 hall element input power dissipation chin 17 1.5 2.5 v 41 hall element input conversion offset chofs 18 ? 8 8 mv 42 tl ? cs offset (1) ctlofs1 19 1 10 mv 43 tl ? cs offset (2) ctlofs2 19 8 23 mv 44 reverse command voltage cvf 20 0.8 v 45 stop command voltage cvs 20 1.7 3 v 46 reverse command voltage cvr 20 3.7 v 47 ripple cancel ratio cr 15 12 22 % 48 maximum upper drive current ciu 21 12 ma 49 maximum lower drive current cil 22 ? 12 ma 50 sw power input offset cswofs 23 ? 20 20 mv 51 sw power control output gain cgpcs 24 6 12 52 sw power control voltage (1) cvud (1) 24 0.2 0.5 v 53 sw power control voltage (2) cvud (2) 24 0.4 0.8 v 54 maximum sw power output current (1) ciswb (1) 25 cec = 0 v 10 ma 55 maximum sw power output current (2) ciswb (2) 25 cec = 2.25 v 6 ma 56 sw power control on voltage cswon 26 3.5 v 57 sw power control off voltage cswoff 26 1 v 58 vm under limit cvml 27 1.4 2.2 v 59 short break on voltage cbrk 28 2.50 2.75 v 60 short break pre ? current cibrk 28 0.8 2.0 ma 61 amplifier input bias current caii 29 ? 120 na 62 amplifier input offset cavo 30 ? 5 5 mv 63 amplifier output high level camph 13 3.4 v 64 amplifier output low level campl 13 0.5 v 65 amplifier loop gain campg 31 45 db
TA8488AF 2001-06-13 7 package dimensions qfp64 ? p ? 1010 ? 0.50c unit : mm weight : 0.48 g (typ.)
TA8488AF 2001-06-13 8 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
|
