- 2-38 -
INTERNAL BLOCK DIAGRAM OF ICs
■ FAN8039BD3
5-CH Motor Diver
Description
The FAN8039BD3 is a monolithic integrated circuit suitable for a 5-CH motor driver which drives the
tracking actuator, focus actuator, sled motor, tray motor, spindle motor of the DVDP/CAR-CD systems.
Pin Definitions
NO Symbol Description NO Symbol Description
1DO1-CH1 Drive Output (-) 15 GND2 Power Ground1 (CH 2,3,5)
2DO1+CH1 Drive Output (+) 16 DO5+ CH5 Drive Output (+)
3IN1 CH1 Drive Input 17 DO5- CH5 Drive Output(-)
4REGVCC Regulator Supply Voltage 18 DO3- CH3 Drive Output(-)
5REB Regulator Output 19 DO3+ CH3 Drive Output (+)
6REO Regulator Feedback Input 20 IN3 CH3 Drive Input
7RESX Regulator Reset 21 VCC1 Supply Voltage1(CH2,CH3,CH5)
8GND1 Signal Ground 22 PS Power Save
9CTL CH5 Motor Speed Control 23 VREF Bias Voltage
10 FWD CH5 Forward Input 24 VCC Supply Voltage(CH1,CH4)
11 REV CH5 Reverse Input 25 IN4 CH4 Drive Input
12 IN2 CH2 Drive Input 26 DO4+ CH4 Drive Output (+)
13 DO2+ CH2 Drive Output (+) 27 DO4- CH4 Drive Output (-)
14 DO2- CH2 Drive Output (-) 28 GND3 Power Ground2 (CH 1,4)