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AT5557
Preliminary Product Information
Serial Input 6CH Motor Driver for DSC
Pin Description
Pin NO. Symbol
I/O
1
OUT1A
O
H-bridge output terminal 1A of the constant voltage driver1
2
OUT1B
O
H-bridge output terminal 1B of the constant voltage driver1
3
OUT2A
O
H-bridge output terminal 2A of the constant voltage driver2
4
OUT2B
O
H-bridge output terminal 2B of the constant voltage driver2
5
PGND1
G
GND of Power VM1
6
PGND2
G
GND of Power VM2
7
OUT3A
O
H-bridge output terminal 3A of the constant current driver3
8
OUT3B
O
H-bridge output terminal 3B of the constant current driver3
9
OUT4A
O
H-bridge output terminal 4A of the constant current driver4
10
OUT4B
O
H-bridge output terminal 4B of the constant current driver4
11
VM2
P
Power supply for CH3, 4 motors
12
PI2
O
PI2 driver output
13
IN34A
I
CH3, 4 STM control
14
IN34B
I
CH3, 4 STM control
15
IN34C
I
CH3, 4 STM control
16
SDAT
I
Serial control signal
17
SLD
I
Serial control signal
18
IN5A
I
CH5 DCM control
19
IN5B
I
CH5 DCM control
20
VM3
P
Power supply for CH5 motor
21
OUT5A
O
H-bridge output terminal 5A of the constant voltage driver5
22
OUT5B
O
H-bridge output terminal 5B of the constant voltage driver5
23
PGND3
G
GND of Power VM3
24
SCLK
I
Serial control signal
25
VCC
P
Control power supply
26
PS
I
Power save which can force all outputs to become open state
27
AGND
G
GND
28
RNF
G
Current detection terminal for the constant current driver6
29
OUT6A
O
H-bridge output terminal 6A of the constant current driver6
30
OUT6B
O
H-bridge output terminal 6B of the constant current driver6
31
VM4
P
Power supply for CH6 motor
32
IN6B
I
CH6 control
33
IN6A
I
CH6 control
34
VREF
I
Reference voltage being divided for VC using
35
VC
I
VC
36
IN12C
I
CH1, 2 STM control
37
IN12B
I
CH1, 2 STM control
38
IN12A
I
CH1, 2 STM control
39
PI1
O
PI1 driver output
40
VM1
P
Power supply for CH1, 2 motors
7F, No.9, Park Avenue II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
Tel: 886-3-563-0878 Fax: 886-3-563-0879 WWW:
http://www.aimtron.com.tw
2/15/2006 REV:1.0 Email:
service@aimtron.com.tw
3
Description