Pin Assignments
FAN8902(KA3902)
CMD 1
CMDa 2
CMDb 3
SG 4
RT / CT 5
VREF 6
CH 7
14 La
13 VCC
12 OUT
F A N 8 9 0 2 11 PG
10 CS
9 CL
8 NC
Pin Definitions
Pin Number
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Pin Name
CMD
CMDa
CMDb
SGND
RT / CT
VREF
CH
NC
CL
CS
PGND
OUT
VCC
La
Pin Function Description
Motor Current Command Input
Optional OP Amplifier Output
Optional OP Amplifier (-) Input
Signal GND
Oscillator Time Constant
Voltage Reference (5V)
Maximum Current Reference Input
No Connection
Minimum Current Reference Input
Motor Current Sense Voltage Input
Power GND
Drive Output
VCC
Motor Current Maximum Reference Input
2