AN3895FHQ PANASONIC | Alldatasheet

Document overview

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Technical content

Cylinder/capstan motor driver IC for video camera n Overview The AN3895FHQ is an IC designed for driving a cylinder/capstan motor for a video camera. n 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 n Applications
  • Video camera LQFP064-P-1010 Unit: mm 10.0±0.3 11 6 48 33 12.0±0.4 –0.05 Seating plane 0.15+0.10 –0.05

V CC YCLK YSL3 YSL2 CFG YPG YFG GPF PFREF YPGO YPCI Comp. Comp. Comp. YFGO YFGI CFGO CFGI YSTB YECR YEC YSL1 YPCI YPCV YPCS GNDY YCS VMY YM3 YM2 R/S/F 1/NAmp. Mod. Absolute value Direction det. Direction switch Logic Hall amp. matrix Upper VCE det. circuit Lower VCE det. circuit VM bottom limit short- circuit protection circuit Upper side saturation prevention circuit Lower side saturation prevention circuit Upper side distribution Amp. Lower side distribution Amp. Amp.Amp. Min. Absolute value Current flow phase changeover logic Distribution BEMF det. comp. V CE det. V a lower limit

Pin No. Description 1 YFGO: CYL-FG amp. output 2 YFGI: CYL-FG amp. input 3 CFGO: CAP-FG amp. output 4 CFGI: CAP-FG amp. input

5 YSTB: CYL-standby input changeover

6 YECR: CYL-torque command reference

7 YEC: CYL-torque command input pin

8 YSL1: CYL-current flow waveform slope pin 1

9 YPCI: CYL-current feedback phase

10 YPCV: CYL-voltage feedback phase

11 YPCS: CYL-switching power supply

12 GNDY: CYL-grounding pin

13 YCS: CYL-CS current det. pin

14 VMY: CYL-motor power supply pin

15 YM3: CYL-motor coil pin 3

16 YM2: CYL-motor coil pin 2

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

21 YU1: CYL-upper side pre-drive output 1

22 YU2: CYL-upper side pre-drive output 2

23 YU3: CYL-upper side pre-drive output 3

24 CL3: CAP-lower side pre-drive output 3

25 CL2: CAP-lower side pre-drive output 2

26 CL1: CAP-lower side pre-drive output 1

27 CU1: CAP-upper side pre-drive output 1

28 CU2: CAP-upper side pre-drive output 2

29 CU3: CAP-upper side pre-drive output 3

30 CM3: CAP-motor coil pin 3

31 CM2: CAP-motor coil pin 2

32 CM1: CAP-motor coil pin 1

33 VMC: CAP-motor power supply pin

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

39 CH1 + : CAP-Hall element input

40 YTEST: CYL-test mode changeover input

41 CCS: CAP-current det. pin

42 GNDC: CAP-grounding pin

43 CPCS: CAP-switching power supply control

44 CPCV: CAP-voltage feedback phase

45 CPCI: CAP-current feedback phase

46 CTL: CAP-torque limit

47 CECR: CAP-torque command reference voltage

48 CEC: CAP-torque command input pin

49 CRSF: CAP-direction command input pin

50 CSWB: CAP-SW-power supply pre-drive

51 YSWB: CYL-SW-power supply pre-drive

52 GSWB: CAP, CYL-SW power supply grounding pin

53 CYFC: CAP, CYL-SW comparater triangular

54 V CC -power supply pin

55 YCLK: CYL-clock input

56 YSL3: CYL-current flow waveform slope pin 3

57 YSL2: CYL- current flow waveform slope pin 2

58 CFG: CAP-FG amp. waveform shaping output 59 YPG: CYL-PG amp. waveform shaping output 60 YFG: CYL-FG amp. waveform shaping output

61 GPF: FG, PG-grounding pin

62 PFREF: FG, PG-reference voltage

63 YPGO: CYL-PG amp. output 64 YPCI: CYL-PG amp. input

Parameter Symbol Range Unit Supply voltage V CC 3.1 to 5.5 V n Recommended Operating Range Parameter Symbol Rating Unit Supply voltage V CC 6.0 V Supply current I CC ¾ mA Power dissipation P D 582 mW Operating ambient temperature *1 T opr -20 to +70 °C Storage temperature *1 Tstg -55 to +125 °C Motor supply voltage *2 V m 12.0 V Output pin voltage *3 V n 12.0 V Switching power supply driving V l 12.0 V output pin voltage *4 Pin voltage *5 V o - 0.3 to VCC +0.3 V n Absolute Maximum Ratings 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. n Electrical Characteristics at Ta = 25°C Parameter Symbol Conditions Min Typ Max Unit Cylinder block Supply current 1 I CC(1) Common for both cylinder and capstan¾ 22 30 mA in operation Supply current 2 I CC(2) At STB mode of cylinder ¾ 12 20 mA Torque command reference voltageV YECR 2.14 2.24 2.54 V Torque command input current IYEC -5 - 0.7 ¾m A Torque command input offset DYEC -100 -40 100 mV voltage Input/output gain YG io 0.13 0.15 0.17 times Output maximum voltage YCS max YR CS = 0.27 W 150 180 210 mV Lower side output voltage 1 YVL(1) YV CS = 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 ¾ mA Lower side output current 2 YI L ¾- 23 -10 mA

n Electrical Characteristics at Ta = 25°C (continued) Parameter Symbol Conditions Min Typ Max Unit Cylinder block (continued) voltage 1 V YPCS = 1.75 V SW power supply control output VYUD(2) YEC = 0 V, YECR = 2.24 V, 0.43 0.61 0.81 V voltage 2 V YPCS = 1.75 V SW power supply control output GYPCS YEC = 2.14 V, YECR = 2.24 V 6.5 9 11 times gain SW reg. driving current 1 I YSW(1) YEC = YECR = 2.24 V 3 9 ¾ mA SW reg. driving current 2 I YSW(2) YEC = 0 V, YECR = 2.24 V 11 23 ¾ mA SW reg. comparator on time Yt ON ¾ 0.2 1.0 ms SW reg. comparator off time YtOFF ¾ 0.2 1.0 ms SW reg. comparator offset voltageDV YFC -542 5 m V FG amp. gain YG FG V[p-p] = 1.5 mV, f = 1 kHz 45 48 ¾ dB YFG high-level YFG(H) IYFG = -100 mA 2.0 2.6 ¾ V YFG low-level YFG(L) IYFG = 100 mA ¾ 0.7 1.5 V PG amp. gain YG PG V[p-p] = 1.5 mV, f = 1 kHz 45 48 ¾ dB PG amp. offset voltage DYPG IN 0.45 0.52 0.62 V YPG high-level YPG(H) IYPG = -10 mA 2.0 2.9 ¾ V YPG low-level YPG(L) IYPG = 100 mA ¾ 0.3 1.0 V Standby voltage YSTB ON 2.15 1.4 ¾ V Standby reset voltage YSTB OFF ¾ 1.4 0.6 V Standby input current I YSTB V YSTB = 0 V -100 ¾¾ m A Capstan block Torque command input current ICEC CEC = CECR = 1.75 V -1 0.2 ¾m A Torque command reference voltageV CECR 1.55 1.75 1.95 V Torque command input voltage VCEC 0.5 ¾ 3.0 V Output maximum voltage CCS max R CS = 0.3 W 0.19 0.22 ¾ V Torque command I/O gain CG IO 0.21 0.24 0.27 times Output idle voltage CCS IDLE ¾ 04 m V Torque command input offset CECOFC -100 -40 100 mV voltage Torque command dead zone CEC DZ 50 90 140 mV Lower side VCE voltage 1 CV LL(1) CCS = 60 mV 0.19 0.29 0.47 V Lower side VCE voltage 2 CV LL(2) CEC = 0 V, CTL = 0.2 V 0.40 0.61 0.77 V Hall element input allowable CHIN 1.2 ¾ 2.4 V voltage Offset referred to Hall element CHOFS -80 8m V input

  • Design reference data Note) The characteristics listed below are theoretical values based on the IC design and are not guaranteed. Parameter Symbol Conditions Min Typ Max Unit Slope pin charge current I YSCH ¾- 25 ¾m A Slope pin discharge current IYSDCH ¾ 25 ¾m A n Electrical Characteristics at Ta = 25°C (continued) Parameter Symbol Conditions Min Typ Max Unit Capstan bock (continued) TL-CS offset 1 CTL OFS(1) 61 0 1 4 m V Forward rotation command voltage VF ¾ 1.0 0.87 V Stop command voltage V S 1.27 ¾ 2.23 V Reverse rotation command voltage VR 2.63 2.45 ¾ V Ripple rejection factor a CS = 60 mV 8 13 18 % Upper side driving max. current CIU 10 40 ¾ mA Lower side driving max. current CIL ¾- 20 -10 mA SW power supply input offset SWOFS -25 0 15 mV SW power supply output gain G CPCS 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, 0.47 0.72 1.10 V CPCS = 1.7 V SW reg. driving current 2 I SWB(2) CEC = 0 V, CTL = 0.2 V 15 22 ¾ mA SW power supply comparator t ON ¾ 0.2 1 ms on time SW power supply comparator t OFF ¾ 0.2 1 ms off time FG-PG amp. reference voltage PFREF 1.7 2.0 2.3 V FG amp. loop gain CG FG External 1 kW , 300 kW ,4 5 4 8 ¾ dB input 3 mV[p-p], 1 kHz FG amp. high-level output voltageCFGH I CFG = -100 mA 2.0 2.6 ¾ V FG amp. low-level output voltageCFGL I CFG = 100 mA ¾ 0.8 1.5 V V M under limit CV ML 1.13 1.45 1.88 V V M short-circuit protection CVMS 0.26 0.44 1.00 V