TA8482

TA8482FN TOSHIBA | Alldatasheet

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TOSHIBA BIPOLAR LINEAR INTEGRATED CIRCUIT SILICON MONOLITHIC BRIDGE DRIVER + SENSOR AMP 1-CHIP IC FOR DC MOTORS TA8482FN is a loading motor driver for video camera. It is a 1-chip IC with tape top/end sensor amplifiers, reel FG amplifiers, and buffer amplifiers for servo error L.P.F. FEATURES x - <u @ 4 Modes : Forward Rotation, Reverse Rotation, Stop, and mI ANY W : Brake ~~ @ Built-in Current Limiter © Built-in Thermal Shutdown Circuit SSOP30-P-300-0.65 © Built-in Tape Top/End Sensor Amplifiers Weight : 0.179 (Typ.) @ 2 Built-in Reel FG Amplifiers @ 2 Built-in Buffer Amplifiers for Servo Error L.P.F. © Built-in Buffer Limiter @ Package : VSOP-30 961001684 @ TOSHIBA is continually working to improve the quality and the 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 observe standards of safety, and to avoid situations in which a malfunction or failure of a TOSHIBA product 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 products specifications. Also, please keep in mind the precautions and conditions set forth in the TOSHIBA Semiconductor Reliability Handbook. Sir products described in this document are subject to foreign exchange and foreign trade control laws. The information contained herein is presented oniy 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. 1997-08-27 1/17

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PN | syweon | NAME [2 [out | Mter drive output pin 1 SiS pa [ Veen Power supply input pin [5 [Vm | Motor drive voltage input pin [6 [BINT [Buffer amp input pin [s_[8IN2 [Buffer amp 2 input pin iY [3 [sour [eurer amp 2 output pin [10 [“isnF [Buffer imiter amp phase compensating pin | pas~[ en enD pin [16 | “ENON |Tape-end sensor amp input pin | [1 [ -RiM1 [Reel FG amp 1 negative side input pin | [20 [RLOT [Reel FG-amp toutput pin [25 | Dec? [Decoder input pin2———SSC—S& [26 | uwiren—[timier controfer imput pin [28 [ "Rs Limiter amp reference voltage input pin | [29 |Our? [Motor drive output pin? FC 1997-08-27 3/17

DEC1 DEC2 OUT! OUT2 Z : High impedance LIMITER CONTROLLER CIRCUIT LIMITEN LIMITER AMP CIRCUIT LIMITOUT

4 When operated (when output current is detected)

MAXIMUM RATINGS (Ta = 25°C) CHARACTERISTIC SYMBOL RATING UNIT Small Signal Section Supply Voltage | Vcc1 | 10 | V | Output Section Supply Voltage Ver | 1 | v i Output Section Supply Voltage [ vm | 8 |v | Output Current [io [6 a woe ge 0.86 (Note 1) Operating Temperature -20~80 Storage Temperature -55~150 (Note 1) Single body (Note 2) Substrate mounting (50x 50x 1.6mm Cu 40%) (*) Devices may break outside the range of maximum rating. OPERATING SUPPLY VOLTAGE RANGE (Ta = 25°C) CHARACTERISTIC SYMBOL | OPERATING RANGE | UNIT Small Signal Section Supply Voltage 2.7~4.0 Output Section Supply Voltage Vec2 Vec1~9.0 Output Section Supply Voltage 1.0~7.0 (Note 3) (Note 3) Vcc22VM (*) The range of operating conditions covers normal operations under the condition specified for electrical characteristics. 1997-08-27 4/17

ELECTRICAL CHARACTERISTICS (Vcc1 =3.0V, Vcc2 =4.75V, VM =3.0V, Ta =25°C) TEST ah | RL = 100. ccit DEC1 : L, DEC2:L | RL = 100 cc12 DEC1 : H/L, DEC2 ; L/H

1 RL = 100

cers DECI : H, DEC2 : H RL =100, Vcc, =0V 'cc21 DEC1 : L, DEC2: L 1) 4A Supply Current

1 Rp =100 07 1

cc22 DEC1 : L, DEC2: L . RL = 100 RL = 100 RL = 100 vecoder [VOta92 [a=t0n «(| — | — | 08 | Decoder Tinput Current [in | 4 [Vin=30V D=T=T 3] Input Leakage 1 Vin =0V 1 vA Current INL IN= Saturation Volt Circuit. | (UPPer Side + ‘sat (H + L) Lower side) lo=04a | = | 96 | 075 Current Reference Voltage Vrs a Input Range Limiter RL= 100, Rp=10 Vv A : = 100, RF= input View R= 100 [z[-l[-T, Voltage "U" level | Vie (. R= 100 [— [= [6 | Input Current Vie=30V D=l=T 3] rerrent Input Leakage \\ Vigeov 1 LA imiter | current LL LE= Controller 7 csp [ma] vow | foro [S[—[—| v Volt - ones’ PU level | Vio To= 102A P= | 1997-08-27 5/17

CHARACTERISTIC SYMBOL air TEST CONDITIONS TYP. | MAX. | UNIT Common-Phase v v Voltage Range CMRFG Vennrg=15V [P= = apa Output Offset VorrG +290] mv Voltage Reel FG Closed Loop mo Roan [owe [ofemme >|) ofa] Open Loop trg = 1kHz Voltage Gain Svore | = | Design assurance 58 Output Residual | Vsat-FG (H lo = 104A (Upper side) [ — | — | 02] Vv Voltage Io=10,:A (Lower side) | — | — | 02 Top7End [input Resistance| Rin [73] ——SsSSCS~dSC ||| Sensor Minimum Input Vv Design assurance 30 mV, Amp Sensitivity HS 9 pp Input Voltage ee eo linput Curent [te |_| Vain=OV, (Note) [= p= apa Input Offset vi VBIN = 1.5V +7) mv Buffer Voltage OFB BIN Amp Output Voltage - Vec2 VM RL =20k. st GND) Vv (Upper Side) (0B (H) L (agains z -1.7 Output Voltage VBouT =0V, Ve 15 . 0.1) V (Lower Side) 0B (L) Ry, = 500kQ (against Vcc2) Band Width | fg | — [Design assurance | — | 800 | — | Whe | Common-Phase V Input Voltage VCMRBL “3 Vv Buffer Range . Limiter [input Carrent| Tet 7 [Var=ov——SC~d | — | a vd | Amp Input Offset Ve Vi =1.5V +7 1V omt_| 1 [inarts [= | ef afm Thermal Shutdown Circuit qT Design 1 °c Operating Temperature SD esign assurance (Note) Design target value is fixed at 0.5A (Max.) 1997-08-27 6/17

1. lect, Ica. Iec3 Aa\\d8 Qa2ADBAAOAAAAOOAAOAAD® © ln DEC1=L, DEC2=L © Iec12 a DEC1=H, DEC2=L 3 and DEC1=L, DEC2 =H © Icc13 ah e4 ae DEC1=H, DEC2=H a = ah 2. Iec21, lec22. Icc23 Iec24 A2|48 G)_@) G2) G) GC) @) CD @) @) @) @ ) DG © Icc21 Vcc =0V, DEC1=L, DEC2=L © Icc22 « Vec1 =3V, DEC1=L, DEC2=L - ° Icc23 DEC1 =H, DEC2=L and DOOODOODOOOODOOUOD DECT=L, DEC2=H ® ° ot H, DEC2=H a| Tala teh . 1997-08-27 7/17

1. IM a |h G)_¢)_ G) @) CG) @) Cd G) @) GC) GD GD) 6) @) CG) © IM DEC1=L, DEC2=L g Ti¢huh 3) | 393 4. Vint) Vin2 HIN) INL es o>} A yx ae VpEc1 =0.6V, VpEc2 =2.0V VbEC1 =2.0V, VpEc2 =0.6V VpEC1 =2.0V, VpEc2 =2.0V S. Check the output functions on = the above-mentioned three conditions. OOM OR COR CHOBORCE CECE CECE CEC * e3.0V ) UNL a| |a|h VIN =0V 1997-08-27 8/17

1. Vsat (H +L) aba a" G)_C)_ C3) _ @) @) @) @) CG) @) CG) CG) 6) 6) G) GO = © Vsat(H+L) Input DEC1=H, DEC2=L, and measure OUT1 (upper side) and OUT2 (lower side) with regard to Iq =0.2A/0.4A. O VORP OTOOPOVOVOD om a a\\ah|d ore ne bi G)_@) CG) CG) Cd C) Cd @) @) CG) GC) CD 6) 6) © Vsat(H+L) Input DEC1 =H, DEC2=L, and measure OUT1 (upper side) and OUT2 (lower side) with regard to Iq =0.2A/0.4A. The sum of the upper/lower values of OUT1 and OUT2 is O99 OOODOSOVDOVDYDYY® fixed at Vsat (H +L)- oo: |* 13 |? 1997-08-27 9/17

1. VRS O) m 4 ° Vrs QAAA DEA 2 @ @ @ @ @ @ Change Ves and measure oo i OROROROROROCRORORONOCRORC RE MCMC) a\\ah|d 7. VLIMIT z > Ae \\h|d G)_@) CG) GP) 6) @) Cd @) @) @) @) 6) GC) CC) © VimiT Input Vrs =0.2V and measure Re (=1Q) generating voltage at the time of limiter amp &: operation. TTohhh a\\d| dh © lal. 1997-08-27 10/17

1. VLE(H)» VLE (L)y !Lce ILCLe VLO (H)» VLO (L) 10uA I aRe HHO oh: 2 4 a * © VLE (H): VLE (L) LE(H) VLE (L QO O OOOO @™ @ @®@ @ @ Input Vig =2.0V/0.6V in a limiter amp operating state and check the LIMIT OUT terminal voltage. g ° Ic Vig =3.0V © LCL Vie =0V TDOODOOODOOOO OOOO «© wow, Von) Input V_¢=0.6V/2.0V in a TVT|r limiter amp operating state e. 2 and measure the LIMIT OUT ca aT Ree terminal voltage when i A IQ = 10pnA. 9. VCMRFG @ 72 @4 2 ORONO OROROCROROROR ORO C ROOM al a\\s 1997-08-27 11/17

10.lFG, VOFFG @® ® “y O) a “y ° Ire G)_G) G) GP) 6) G) GC) @) @) @) GD 6) 6) 6 Measure the input current (lpg) when VemreG = 1.5V., and calculate the following formula : ot : 'rG= >XIFG' ¢ VOFFG ; ORORONONONOROMONONOMOMORONONO) Measure the Rio pin output voltage when VCMRFG = 1.5V, and calculate the following alals formula : ap era Leh] VorFG = VRLo - 1.5 11.GyFG : : g A OF OOF © 4 4 ¢ GvFG G)_@) G) @) G) @) @) G) @ GC) G) 4) 6) G) © VRLp = 1.5V, input signals fg = 1kHz, Veg =50MVp-p between RLP and RLM, and measure VRio in this case. . VRLO Gyrg=20¢0g “BLO. [dB] YVOVAOAAPDAOADADVUYDYDYY® al ala 1997-08-27 12/17

12.Vsat-FG (H). Vsat-FG (L) 10 uA I 3 3 g afi ays 7 oe de S ade G_@ @ @ @ @ @) G G) GD 6) 6) MG) © Vsat-FG (H) Input Vea_p=1.5V, Vrim =1.0V, measure the RLo pin voltage when lo = 104A (source current), and calculate the following formula : Vsat-FG (H) = 3-0- VRLo IV] OROROR ORO ORORORORO ROBO ROR ORT) © Vsat-FG (L) Input Va_p=1.5V, A\\lala VRLM =2.0V and measure the ol 2h s RLo pin voltage when "T “J "Tl lo = 104A (sink current). 13.RIN rs <2 98 G)_G)_G) GP G) @) @) @) G CG) G) CD 6) G) 69 © Rly Measure the VTOpIN. VENDIN at the time 50/A/ 100A current flows from TOPIN/ ENDIN pin, and calculate the following formula : rine. (SOA) V (1004) 0.907 OROROROROR ORO OROR CORON OCRORORE “ ? * The 7mV in the formula a\\a|s ©) represents the Vge change of at als £ the internal Tr. at the time mei <7 V3 of 50A/ 100A. 1997-08-27 13/17

14.VemRB |B, Vop (H) Input Vein =0V/4.75V and measure BOUT pin voltage. ° iB Vein =1.5V © Vos (H) Input Vpn =4.75V and OOO OROROMOMOROMOROMOROMOMG) connect 20kQ (against GND) r | to BOUT pin. ©) es@ae TIZIEP yoP2y @ | ts at PL allel ¢ als TET TED ° & 15.Voe (L) G)_@) ¢) @) Gd @) Cd >) G) G) CG) G) 6) 6) GO OR OROR CORON OROROROROCRORCRORCEE) S g BIE/E| BY) a9 > > 7 “J 7 Vecz Vecz ai 1997-08-27 14/17

1. VCMRBL Check BOUT2 pin : L when Vere =3.05V, Vpsp =OV. Check BOUT2 pin : L when Vrrp = OV, Vpsp = 3.05. (OR ORORCRORORORORORCRORCEOC RCE) at Ate | e TE el baa be 17. IBL Y ont ti tt. a ala © ® 1997-08-27 15/17

1. VOFBL Input Vase = 1.5V, Vrrp=1.5Vt7mV, and check the switching of BOUT2 pin output function. BOUT2 : H when Vrre = 1.493V. BOUT2 : L when OR OXON ORORCRORORORCORORCRORC EE VReB = 1.507V. a\\h|d 8 a a rr ole li 1997-08-27 16/17

SSOP30-P-300-0.65 Unit : mm 30 16 DAOAAARAARAaaag DOPOO ARE Qy wl oN MHA HW eHHHRHHG WOOOWWORCGOG0000 1 i 15 0.3TYP 0.22+0.1 re > foceios rary 10.2MAX 9.740.2 < m:) ! tay-& cad WET + w 8 6 ais Ss 0.45+0.2 Weight : 0.17g (Typ.) 1997-08-27 17/17