Panasonic AN3811NK Datasheet

ICs for VCR

AN3811NK

Cylinder Hall motor driving IC for VCR

■ Overview

The AN3811NK is an IC designed for driving

the VCR cylinder Hall motor.

■ Features

• Operating supply voltage range:

V

= 4.5 V to 5.5 V

CC

• Motor voltage: V

• Maximum output current: I

= 5 V to 20 V

M

omax

= 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

■ Applications

• VCR

■ Block Diagram

Unit: mm

28.00±0.30
φ3.30

116

1.778

+0.20

1.10

–0.10

29.40±0.30

HSIP016-P-0000A

0.50

+0.20
–0.10

2.30±0.20

3.50±0.20

8.00±0.30

1.30±0.20

(3.50) 12.80±0.20

3.80±0.20

+0.15

0.40

–0.05

(1.70)(1.70)

Power block (NPN Tr × 3)

Mode

changeover

B-EMF

detection

Charge/discharge

circuit

External

synchronization

Frequency

Multiplier

Preset

divider

P1

13

THD

P2

14

P3

15

ATC

16

M3

5

V

CC

Waveform

shaping

6

7

+

E

H

PG/FG

processing

1

2

3

4

M2

M

V

M1

PG/FG

−

E

H

Torque

instruction

8

9

PC

ET/DS

Oscillator

10

11

FC

12

GND

1

AN3811NK ICs for VC R

■ Pin Descriptions

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

■ Absolute Maximum Ratings

Parameter Symbol Rating Unit

Supply voltage V
Supply current I

2

Power dissipation
Operating ambient temperature
Storage temperature
Circuit voltage

*

1

*

1

*

3

*

Circuit voltage V

3

Circuit current

Note)

1: Except for the power dissipation, operating ambient temperature and storage temperature, all ratings are for Ta = 25°C.

1. *
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.

*

CC

CC

P

D

T

opr

T

stg

V

n-11

3-11

I

n

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

6.0 V

 mA

1 150 mW

−20 to +75 °C

−55 to +150 °C

40 V
20 V

1.5 A

■ Recommended Operating Range

Parameter Symbol Range Unit

Supply voltage V

2

CC

V

M

4.5 to 5.5 V

13.5 to 15.5