该am4962是一个全波驱动IC直接
PWM control function. It is used for single phase
PWM控制功能。它是用于单相
motor and is capable of speed control by PWM pulse.
电机可调速控制的PWM脉冲。
The AM4962 is available in HTSSOP-14 and
该am4962可在htssop-14和
SSOP-16 packages.
采用SSOP - 16封装。
Features
特征
• The Motor Speed is Controlled by PWM Pulse
•电机转速的PWM脉冲控制
Directly
直接
• Built-in Triangle Wave Circuit Without Extra
•建在三角波电路,无需额外的
Oscillation Capacitor
振荡电容器
• Built-in Hall Bias Circuit
•内置霍尔偏置电路
• Built-in Minimal Speed Setup Circuit
•内置的最小速度设定电路
• Slope K* Adjustable
•斜率K *调
• Rotation Speed Indication (FG)
•转速指示(FG)
• Rotation or Lock State Indication (RD)
•旋转或锁定状态指示(RD)
• Built-in Thermal Shutdown Circuit
•内置热关机电路
• Lock Protection and Auto-restart
•锁保护和自动重新启动
• Output Current Limit
•输出电流限制
* Slope K is the slope of output PWM duty vs. input
*斜率K是输出的PWM占空比输入斜坡
PWM duty
PWM占空比
Applications
应用
• CPU Cooler Fan in PC
•CPU散热风扇在PC
• Brushless DC Motor Driver
•无刷直流电机驱动器 长期供应 需要联系 价格优势