器件名称: AM4961G
功能描述: SINGLE PHASE FULL WAVE DIRECT PWM MOTOR DRIVER
文件大小: 198.03KB 共16页
简 介:Data Sheet SINGLE PHASE FULL WAVE DIRECT PWM MOTOR DRIVER General Description
The AM4961 is a full wave driver IC with PWM control function. It is used for single phase motor and is capable of speed control by changing output duty cycle. The AM4961 is available in TSSOP-20(EDP) and HTSSOP-14 packages.
AM4961
Features
Built-in Hall Bias Circuit Built-in PWM Speed Control Circuit Built-in Minimal Speed Setup Circuit Rotation Speed Indication (FG) 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 1
BCD Semiconductor Manufacturing Limited
Data Sheet SINGLE PHASE FULL WAVE DIRECT PWM MOTOR DRIVER
Pin Configuration
G Package (TSSOP-20(EDP))
AM4961
PGND PGND PGND OUT2 VCC VMIN VPWM COSC FG RD
1 2 3 4 5 6 7 8 9 10
20 19 18 17 16 15 14 13 12 11
PGND PGND PGND OUT1 GND CT VREF HINHB HIN+
Jun. 2008 Rev. 2. 2 2
BCD Semiconductor Manufacturing Limited
Data Sheet SINGLE PHASE FULL WAVE DIRECT PWM MOTOR DRIVER Pin Configuration (Continued) AM4961
GH Package (HTSSOP-14)
PGND
PGND
OUT2 VCC VMIN VPWM COSC FG RD
1 2 3 4 5 6 7
14 13 12 11 10 9 8
OUT1 GND CT VREF HINHB HIN+
Figure 2. Pin Configuration of AM4961 (Top View)
Jun. 2008 Rev. 2. 2 3
BCD Semiconductor Manufacturing Limited
Data Sheet SINGLE PHASE FULL WAVE DIRECT PWM MOTOR DRIVER Pin Description
Pin Num……
