AM9789:Single Phase BTL Linear Drivers

Part NumberData SheetSPICE ModelOperating Voltage (V)SupplyCurrent (mA)Average OutputDrive Current (mA)Peak Output Current (mA)Reference Voltage Output (V)Hall Bias Voltage (V)Speed ControlSpeed Control Slope AdjustLock Detect, Shut-Down and Auto StartFrequency Generator (FG) and Rotation Detect (RD)Other Protection FeaturesOperating Ambient Temperature (°C)
AM9789AM9789.pdf--2-1000-1.3PWM or VDD-YesFGThermal Shutdown-40 to +105
Description

The AM9789 is a single-phase, full wave motor driver suited for DC fan motor, and its speed is controlled by PWM input signal. It is suitable for both game machine and CPU cooler which need silent drivers. It features lock protection, thermal shutdown, PWM control, low noise and so on.

Application
  • Silent Fan Motors
Features
  • BTL Output Single-phase Full-wave Linear Driver
  • Silent Driver
  • Low Supply Current (Normal Operation,Less than 4mA)
  • Low Standby Current (PWM=0 Duty) @ Supply Current Less than 200μA
  • Speed Controllable by PWM Input Signal
  • Built-in Quick Start Function
  • Built-in Lock Protection and Auto Restart Function
  • Built-in Hall Bias Circuit
  • Built-in FG Output
  • Built-in Thermal Shutdown Circuit
  • Built-in Over Current Protection Circuit
MSOP-8
AM9789.pdf AM9789