Diodes Menu Close
Back to Two Phase


Two Phase BLDC Fan and Motor Driver with Complementary Open Darlington Emitter Output

Contact Sales

Log in or register to manage email notifications about changes to datasheets or PCNs for this part.


The AM4406/4406F are 2-phase, half-wave motor predrivers fabricated for fan motors. These ICs are equipped with lock shutdown and automatic restart functions. The lock shutdown function turns off the output current when the motor is under lock condition. And when the motor is unlocked, the ICs will automatically restart and allow DC fan to run. In addition, the AM4406 and AM4406F have RD and FG functions respectively. The RD function is to detect the motor status and FG function enables frequency generation.


· Hall Inputs with a Hysteresis · Lock Shutdown and Automatic Restart · Rotation Detection (RD) Output · Frequency Generation (FG) Output · Supply Voltage: 4 to 28V · Output Current: 70mA Max. · Operating Temperature: -40 to +95C


· High Voltage, High Current Brushless DC Fan · Power Supply and Switchboards · Communications Facilities · Industrial Equipment

Product Specifications

Product Parameters

Operating Voltage (V) 4 to 28 V
SupplyCurrent (mA) 3.2 mA
Low Side Switch Drive Source Current (mA) - mA
Low Side Switch Drive Sink Current - mA
Reference Voltage Output (V) -
Speed Control VSPD or VDD
Minimum Speed Setting -
Lock Detect, Shut-Down and Auto Start Yes
Frequency Generator (FG) and Rotation Detect RD RD
Operating Ambient Temperature (°C) - °C

Related Content


Technical Documents

Recommended Soldering Techniques


Orderable Part Number Buy from Distributor / Contact Sales Request Samples


Authorized Distributor Quantity Inventory Date Countries/Regions Buy Online
Mouser Electronics Inc. 3540 6/25/2022 South America, North America, Asia, Europe, Middle East Buy Now
Request Sample


Authorized Distributor Quantity Inventory Date Countries/Regions Buy Online
Digi-Key Electronics 4000 6/25/2022 Europe, Asia, North America Buy Now
Request Sample