AN3895FHQ

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