Diodes AH9281_82 - Manual (Page 2)

Data Sheet
Two Phase Dual-coil High Voltage Smart Fan Motor Driver with FG/RD AH9281/82
Oct. 2011 Rev. 1. 4 BCD Semiconductor Manufacturing Limited
2
1
2
3
4
5 GND
DOB
DO
FG/RD
VCC
GND
DOB DO
FG/RD VCC
1 2 3
4 5
Pin Configuration
Z5 Package
R Package
(TO-95) (SOT-89-5)
(Front View) (Top View)
Figure 2. Pin Configuration of AH9281/82
Pin Description
Pin Number
TO-95 SOT-89-5
Pin Name Function
1 1 VCC Power supply pin
2 3 FG/RD Frequency Generator (Rotation Detection) open drain output
3 4 DO Output pin 1
4 5 DOB Output pin 2
5 2 GND Ground pin