AM4961 Datasheet, PDF (1/16 Pages) BCD Semiconductor Manufacturing Limited – SINGLE PHASE FULL WAVE DIRECT PWM MOTOR DRIVER

Data Sheet
SINGLE PHASE FULL WAVE DIRECT PWM MOTOR DRIVER
General Description
Features
AM4961
The AM4961 is a full wave driver IC with PWM con- _{· Built-in Hall Bias Circuit}
trol function. It is used for single phase motor and is _{· Built-in PWM Speed Control Circuit}
capable of speed control by changing output duty _{· Built-in Minimal Speed Setup Circuit}
cycle.
· Rotation Speed Indication (FG)
The AM4961 is available in TSSOP-20(EDP) and
HTSSOP-14 packages.
·
·
Rotation or Lock State Indication (RD)
Built-in Thermal Shutdown Circuit
· Lock Protection
· Output Current Limit
Application
· CPU Cooler Fan in PC
· Brushless DC Motor Driver
TSSOP-20(EDP)
HTSSOP-14
Figure 1. Package Types of AM4961
Jun. 2008 Rev. 2. 2
BCD Semiconductor Manufacturing Limited
1