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