AT5558 Datasheet, PDF (1/13 Pages) Aimtron Technology – 5-Channel DSC Motor Driver

AT5558










































^{Preliminary Product Information}
5-Channel DSC Motor Driver
Features
• Independent 5-Channel H-Bridge
• Built-in 4 constant voltage drivers, all of
those drivers with brake function.
• Built-in 1 constant current drivers with
brake function.
• Low on-resistance <1.20 Ω (typ.)
• Low Voltage operation
• Built-in Thermal Shutdown Function
• QFN-32 Package
Block Diagram
General Description
The AT5558 is a 5-channel H-bridge
drivers IC for DSC motor application. It
built in with 4 constant voltage drivers and
1 constant current block to drive auto-focus,
zoom, shutter, auto-exposure motors.
Applications
•DSC motor Driver
* Protected by U.S. Patent #6,943,514
VCC AGND
Thermal Shutdown
and
UVLO
IN1A
IN1B
IN2A
IN2B
IN3A
IN3B
IN4A
IN4B
IN5A
IN5B
Logic
Block
Pre
Driver
H-Bridge
H-Bridge
PGND1
H-Bridge
H-Bridge
PGND2
H-Bridge
VM1
OUT1A
OUT1B
OUT2A
OUT2B
VM2
OUT3A
OUT3B
OUT4A
OUT4B
VM3
OUT5A
OUT5B
Vref
Vref
VC12 VC3 VC4 VC5
RFG
Aimtron reserves the right without notice to change this circuitry and specifications.
7F, No.9,PARK AVENUE. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.
Tel: [phone] Fax: [phone]
WWW: http://www.aimtron.com.tw
06/10/05 REV:1.1
Email: [e-mail]
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