ICs for VCR AN3895FHQ Cylinder/capstan motor driver IC for video camera ■ Overview 10.0±0.3 48 33 49 32 64 17 0.625±0.1 1.4±0.2 (0.5) 0.18 +0.10 –0.05 0.1±0.1 (0.5) 16 0.625±0.1 Capstan block • Overlap driving • Built-in torque ripple cancel circuit • Built-in switching power supply control circuit • Built-in output transistor saturation prevention circuit for both lower and upper sides • Forward/reverse rotations 1 0.15 +0.10 –0.05 Cylinder block • Reduction of magnetic sound due to 3-phase full wave overlap driving • Built-in standby mode for power saving • Built-in PG·FG and waveform shaping circuit • Built-in switching power supply control circuit 10.0±0.3 • Operating supply voltage range: VCC = 3.1 V to 5.5 V 12.0±0.4 ■ Features Unit: mm 12.0±0.4 The AN3895FHQ is an IC designed for driving a cylinder/capstan motor for a video camera. Seating plane LQFP064-P-1010 ■ Applications • Video camera 1 AN3895FHQ ICs for VCR CRSF 49 CSWB 50 33 VMC 34 CH3− 35 CH3+ 36 CH2− 37 CH2+ 38 CH1− 39 CH1+ 40 YTEST 41 CCS 42 GNDC 43 CPCS 44 CPCV 45 CPCI 46 CTL 47 CECR 48 CEC ■ Block Diagram 32 CM1 Hall amp. matrix R/S/F Amp. 1/N 31 CM2 VM bottom limit shortcircuit protection circuit Mod. 30 CM3 YSWB 51 GSWB 52 Upper VCE det. circuit Upper side saturation prevention circuit Absolute value CYFC 53 VCC 54 YCLK 55 28 CU2 Lower VCE det. circuit Lower side saturation prevention circuit Direction det. 29 CU3 27 CU1 Upper side distribution Logic YSL3 56 Amp. Direction switch 25 CL2 Lower side distribution YSL2 57 Amp. Comp. 22 YU2 Absolute value Min. 21 YU1 YFG 60 GPF 61 Comp. Current flow phase changeover logic Amp. PFREF 62 Distribution Amp. 18 YL3 Va lower limit Comp. YPCI 64 YM2 16 YM3 15 VMY 14 YCS 13 GNDY 12 YPCS 11 YPCV 10 YPCI 9 YSL1 8 YEC 7 YECR 6 YSTB 5 CFGI 4 CFGO 3 YFGI 2 VCE det. YFGO 1 20 YL1 19 YL2 BEMF det. comp. YPGO 63 2 24 CL3 23 YU3 CFG 58 YPG 59 26 CL1 17 YM1 ICs for VCR AN3895FHQ ■ Pin Descriptions Pin No. Description Pin No. Description 34 CH3− : CAP-Hall element input 35 CH3+ : CAP-Hall element input 36 CH2− : CAP-Hall element input 37 CH2+ : CAP-Hall element input 38 CH1− : CAP-Hall element input YECR: CYL-torque command reference 39 CH1+ : CAP-Hall element input input pin 40 YTEST: CYL-test mode changeover input 7 YEC: CYL-torque command input pin 41 CCS: CAP-current det. pin 8 YSL1: CYL-current flow waveform slope pin 1 42 GNDC: CAP-grounding pin 9 YPCI: CYL-current feedback phase 43 CPCS: CAP-switching power supply control 1 2 3 4 5 6 YFGO: CYL-FG amp. output YFGI: CYL-FG amp. input CFGO: CAP-FG amp. output CFGI: CAP-FG amp. input YSTB: CYL-standby input changeover compensation 10 YPCV: CYL-voltage feedback phase output 44 compensation 11 YPCS: CYL-switching power supply CPCV: CAP-voltage feedback phase compensation 45 control output CPCI: CAP-current feedback phase compensation 12 GNDY: CYL-grounding pin 46 CTL: CAP-torque limit 13 YCS: CYL-CS current det. pin 47 CECR: CAP-torque command reference voltage 14 VMY: CYL-motor power supply pin 48 CEC: CAP-torque command input pin 15 YM3: CYL-motor coil pin 3 49 CRSF: CAP-direction command input pin 16 YM2: CYL-motor coil pin 2 50 CSWB: CAP-SW-power supply pre-drive output 17 YM1: CYL-motor coil pin 1 18 YL3: CYL-lower side pre-drive output 3 19 YL2: CYL-lower side pre-drive output 2 20 YL1: CYL-lower side pre-drive output 1 52 GSWB: CAP, CYL-SW power supply grounding pin 21 YU1: CYL-upper side pre-drive output 1 53 CYFC: CAP, CYL-SW comparater triangular 22 YU2: CYL-upper side pre-drive output 2 23 YU3: CYL-upper side pre-drive output 3 54 VCC -power supply pin 24 CL3: CAP-lower side pre-drive output 3 55 YCLK: CYL-clock input 25 CL2: CAP-lower side pre-drive output 2 56 YSL3: CYL-current flow waveform slope pin 3 26 CL1: CAP-lower side pre-drive output 1 57 YSL2: CYL- current flow waveform slope pin 2 27 CU1: CAP-upper side pre-drive output 1 58 CFG: CAP-FG amp. waveform shaping output 28 CU2: CAP-upper side pre-drive output 2 59 YPG: CYL-PG amp. waveform shaping output 29 CU3: CAP-upper side pre-drive output 3 60 YFG: CYL-FG amp. waveform shaping output 30 CM3: CAP-motor coil pin 3 61 GPF: FG, PG-grounding pin 31 CM2: CAP-motor coil pin 2 62 PFREF: FG, PG-reference voltage 32 CM1: CAP-motor coil pin 1 63 YPGO: CYL-PG amp. output 33 VMC: CAP-motor power supply pin 64 YPCI: CYL-PG amp. input 51 YSWB: CYL-SW-power supply pre-drive output wave input 3 AN3895FHQ ICs for VCR ■ Absolute Maximum Ratings Parameter Symbol Rating Unit Supply voltage VCC 6.0 V Supply current ICC mA PD 582 mW Topr −20 to +70 °C Tstg −55 to +125 °C Vm 12.0 V Vn 12.0 V Switching power supply driving output pin voltage *4 Vl 12.0 V Pin voltage *5 Vo − 0.3 to VCC +0.3 V Power dissipation Operating ambient temperature Storage temperature *1 Motor supply voltage Output pin voltage *1 *2 *3 Note) 1. *1: Except for the operating ambient temperature and storage temperature, all ratings are for Ta = 25°C. *2: m = 14, 33 *3: n = 15 to 32 *4: l = 50, 51 *3: o = 2, 4, 5, 7, 8, 13, 34 to 41, 46 to 49, 53, 55 to 57, 59, 62, 64 2. Do not apply external currents or voltages to any pins not specifically mentioned. 3. For circuit currents, '+' denotes currents flowing into the IC, and '−' denotes current flowing out of the IC. ■ Recommended Operating Range Parameter Symbol Range Unit VCC 3.1 to 5.5 V Supply voltage ■ Electrical Characteristics at Ta = 25°C Parameter Symbol Conditions Min Typ Max Unit Supply current 1 ICC(1) Common for both cylinder and capstan in operation 22 30 mA Supply current 2 ICC(2) At STB mode of cylinder 12 20 mA 2.14 2.24 2.54 V Cylinder block Torque command reference voltage VYECR 4 Torque command input current IYEC −5 − 0.7 µA Torque command input offset voltage ∆YEC −100 −40 100 mV Input/output gain YGio 0.13 0.15 0.17 times Output maximum voltage YCSmax YRCS = 0.27 Ω 150 180 210 mV Lower side output voltage 1 YVL(1) YVCS = 54 mV 0.20 0.40 0.60 V Lower side output voltage 2 YVL(2) YECR = 2.24 V, YEC = 0 V 0.50 0.71 0.90 V Upper side driving current 1 YIU 10 30 mA Lower side output current 2 YIL −23 −10 mA ICs for VCR AN3895FHQ ■ Electrical Characteristics at Ta = 25°C (continued) Parameter Symbol Conditions Min Typ Max Unit SW power supply control output VYUD(1) YEC = 2.14 V, YECR = 2.24 V, voltage 1 VYPCS = 1.75 V 0.26 0.37 0.48 V SW power supply control output VYUD(2) YEC = 0 V, YECR = 2.24 V, voltage 2 VYPCS = 1.75 V 0.43 0.61 0.81 V 6.5 9 11 times Cylinder block (continued) YEC = 2.14 V, YECR = 2.24 V SW power supply control output gain GYPCS SW reg. driving current 1 IYSW(1) YEC = YECR = 2.24 V 3 9 mA SW reg. driving current 2 IYSW(2) YEC = 0 V, YECR = 2.24 V 11 23 mA SW reg. comparator on time YtON 0.2 1.0 µs SW reg. comparator off time YtOFF 0.2 1.0 µs SW reg. comparator offset voltage ∆VYFC −5 4 25 mV 45 48 dB FG amp. gain YGFG V[p-p] = 1.5 mV, f = 1 kHz YFG high-level YFG(H) IYFG = −100 µA 2.0 2.6 V YFG low-level YFG(L) IYFG = 100 µA 0.7 1.5 V 45 48 dB PG amp. gain YGPG V[p-p] = 1.5 mV, f = 1 kHz PG amp. offset voltage ∆YPGIN 0.45 0.52 0.62 V YPG high-level YPG(H) IYPG = −10 µA 2.0 2.9 V YPG low-level YPG(L) IYPG = 100 µA 0.3 1.0 V Standby voltage YSTBON 2.15 1.4 V Standby reset voltage YSTBOFF 1.4 0.6 V Standby input current IYSTB VYSTB = 0 V −100 µA ICEC CEC = CECR = 1.75 V −1 0.2 µA Torque command reference voltage VCECR 1.55 1.75 1.95 V Torque command input voltage 0.5 3.0 V 0.19 0.22 V CGIO 0.21 0.24 0.27 times Output idle voltage CCSIDLE 0 4 mV Torque command input offset voltage CECOFC −100 −40 100 mV Torque command dead zone CECDZ 50 90 140 mV Lower side VCE voltage 1 CVLL(1) CCS = 60 mV 0.19 0.29 0.47 V Lower side VCE voltage 2 CVLL(2) CEC = 0 V, CTL = 0.2 V 0.40 0.61 0.77 V Capstan block Torque command input current Output maximum voltage Torque command I/O gain VCEC CCSmax RCS = 0.3 Ω Hall element input allowable voltage CHIN 1.2 2.4 V Offset referred to Hall element input CHOFS −8 0 8 mV 5 AN3895FHQ ICs for VCR ■ Electrical Characteristics at Ta = 25°C (continued) Parameter Symbol Conditions Min Typ Max Unit CTLOFS(1) 6 10 14 mV Forward rotation command voltage VF 1.0 0.87 V Stop command voltage VS 1.27 2.23 V Reverse rotation command voltage VR 2.63 2.45 V Ripple rejection factor α 8 13 18 % Capstan bock (continued) TL-CS offset 1 CS = 60 mV Upper side driving max. current CIU 10 40 mA Lower side driving max. current CIL −20 −10 mA SW power supply input offset SWOFS −25 0 15 mV SW power supply output gain GCPCS 8.0 10.6 13.0 times SW power supply output voltage 1 VUD(1) CEC = CECR, CPCS = 1.7 V 0.20 0.29 0.40 V SW power supply output voltage 2 VUD(2) CEC = 0 V, CTL = 0.2 V, CPCS = 1.7 V 0.47 0.72 1.10 V SW reg. driving current 2 ISWB(2) CEC = 0 V, CTL = 0.2 V 15 22 mA SW power supply comparator on time tON 0.2 1 µs SW power supply comparator off time tOFF 0.2 1 µs FG-PG amp. reference voltage PFREF 1.7 2.0 2.3 V FG amp. loop gain CGFG External 1 kΩ, 300 kΩ, input 3 mV[p-p], 1 kHz 45 48 dB FG amp. high-level output voltage CFGH ICFG = −100 µA 2.0 2.6 V FG amp. low-level output voltage CFGL ICFG = 100 µA 0.8 1.5 V VM under limit CVML 1.13 1.45 1.88 V VM short-circuit protection CVMS 0.26 0.44 1.00 V • Design reference data Note) The characteristics listed below are theoretical values based on the IC design and are not guaranteed. Parameter 6 Symbol Conditions Min Typ Max Unit Slope pin charge current IYSCH −25 µA Slope pin discharge current IYSDCH 25 µA