AT5558
Preliminary Product Information
5-Channel DSC Motor Driver
Application reference 1
M_VCC=4V
PS : H active
L stand-by
0.1uF
PS
VCC AGND
osicllation preventive
capacitor
VM1
0.01~0.1uF
(option)
OUT1A
IN1A
IN1B
IN2A
IN2B
AT5558
47uF
AF
M
OUT1B
OUT2A
OUT2B
0.01~0.1uF
(option)
IN3A
IN3B
IN4A
IN4B
VM2
PGND1
PGND2
MCU
OUT3A
OUT3B
OUT4A
OUT4B
Aperture
0.01~0.1uF
(option)
Zoom
0.01~0.1uF
(option)
IN5A
IN5B
VM3
OUT5A
OUT5B
Shutter
0.01~0.1uF
(option)
Vref
VC12 VC3 VC4 VC5
RFG
0.1uF
2
22k
51k
75k
43k
Saturation mode ：CH1&CH2&CH4 →VO i =VM − RON × IO i , i = 1,2,4
Constant voltage ：CH3→VO 3 =VC3 ×5 − 0.5× RON × IO 3
Constant current：CH5→ IO 5 =VC5 / RFG
7F, No.9,PARK AVENUE. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
Tel: 886-3-563-0878
06/10/05 REV:1.1
Fax: 886-3-563-0879
WWW: http://www.aimtron.com.tw
Email: service@aimtron.com.tw
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AIMTRON [ AIMTRON TECHNOLOGY ]
