AN3811NK PANASONIC | Alldatasheet

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Technical content

Cylinder Hall motor driving IC for VCR n Overview The AN3811NK is an IC designed for driving the VCR cylinder Hall motor. n Features

  • Operating supply voltage range: V CC = 4.5 V to 5.5 V
  • Motor voltage: VM = 5 V to 20 V
  • Maximum output current: Iomax = 1.5 A
  • Three-phase, half-wave and overlap driving low- ers a magnetic sound noise.
  • PG/FG generating circuit built in
  • Thermal protection circuit built in n Applications
  • VCR HSIP016-P-0000A Unit: mm n Block Diagram 29.40±0.30 (1.70)(1.70) 0.40+0.15 –0.050.50+0.20 –0.101.10+0.20 –0.10 11 6 2.30±0.20 3.50±0.20 (3.50) 12.80±0.20 8.00±0.30 f3.30 1.30±0.201.778 Power block (NPN Tr · 3) Mode changeover External synchronization Frequency divider Waveform shaping Torque instruction Oscillator Preset THD B-EMF detection Charge/discharge circuit Multiplier FC V M PG/FG V CC H E+ H E- PC ET/DS GND ATC PG/FG processing

Parameter Symbol Range Unit Supply voltage V CC 4.5 to 5.5 V V M 13.5 to 15.5 n Recommended Operating Range n Pin Descriptions Parameter Symbol Rating Unit Supply voltage V CC 6.0 V Supply current I CC ¾ mA Power dissipation *2 PD 1 150 mW Operating ambient temperature *1 T opr -20 to +75 °C Storage temperature *1 Tstg -55 to +150 °C Circuit voltage *3 V n-11 40 V Circuit voltage V 3-11 20 V Circuit current *3 In 1.5 A n Absolute Maximum Ratings Note) 1. *1: Except for the power dissipation, operating ambient temperature and storage temperature, all ratings are for Ta = 25°C. *2: Use this IC within the value of the PD at Ta = 75°C. *3: n = 1, 2, 16 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. Pin No. Description

1 Driving output 1

2 Driving output 2

3 Motor power supply pin

4 PG/FG output

5 Power supply pin

6 Hall element normal phase input

7 Hall element reverse phase input

8 Phase compensation pin

Pin No. Description

9 Torque command input

10 Oscillation output pin

11 Grounding pin

12 Position signal pin 1

13 Position signal pin 2

14 Position signal pin 3

15 Total current output

16 Driving output 3

n Electrical Characteristics at Ta = 25°C

  • 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 ATC limiting voltage temperaturea V LIMIT ¾- 900 ¾ ppm/°C coefficient FC oscillation frequency f C C = 0.1 mF 122 147 184 Hz FC oscillation frequency a fC Not considering capacitance variation¾- 900 ¾ ppm/°C coefficient related to temperature Parameter Symbol Conditions Min Typ Max Unit Circuit current I CC 5 ¾ 13 mA Output saturation voltage V O(SAT) Ia = 0.6 A ¾¾ 0.8 V ATC residual voltage V IDLE ¾¾ 4m A ATC limiting voltage V LIMIT External synchronization 0.31 ¾ 0.44 V Input/output transfer gain A V 0.75 ¾ 1.25 times Torque command input offset ET OFFSET -50 ¾ 30 mV voltage ET input current I ET ET/DS = 2.5 V -1.0 ¾¾ m A BFG takeout voltage V BFG ¾¾ 0.5 V Hall element input sensitivityDV HE 5 ¾ 22 mV PG/FG tri-state output voltage 1 VO(H) IO = -30 mA 3.5 ¾¾ V PG/FG tri-state output voltage 2 VO(M) IO = –10 mA 2.1 ¾ 2.9 V PG/FG tri-state output voltage 3 VO(L) IO = 30 mA ¾¾ 0.9 V Flyback voltage V-I conversion GM 13 ¾ 27 mS gain Position signal input dynamicDV P 0.8 ¾¾ V range Position signal input offset voltage VP OFFSET -100 ¾ 100 mV Saturation det. start voltage V(DET) 1.3 ¾ 2.0 V Note) V CC = 5 V, VM = 14 V unless otherwise specified.

n Application Circuit Example Power block (NPN Tr · 3) Mode changeover External synchronization Frequency divider Waveform shaping Torque instruction Oscillator Preset THD B-EMF detection Charge/discharge circuit Multiplier FC V M PG/FG V CC H E+ H E- PC ET/DS GND ATC PG/FG processing