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AM4406F

BCD Semiconductor
Part Number AM4406F
Manufacturer BCD Semiconductor
Description 2-PHASE HALF-WAVE HIGH VOLTAGE MOTOR PRE-DRIVER
Published Aug 6, 2015
Detailed Description 2-PHASE HALF-WAVE HIGH VOLTAGE MOTOR PRE-DRIVER General Description Features Data Sheet AM4406/4406F The AM4406/4406...
Datasheet PDF File AM4406F PDF File

AM4406F
AM4406F

Overview
2-PHASE HALF-WAVE HIGH VOLTAGE MOTOR PRE-DRIVER General Description Features Data Sheet AM4406/4406F 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.
The AM4406/4406F are available in SOIC-8 package.
· 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 95oC Applications · High Voltage, High Current Brushless DC Fan · Power Supply and Switchboards · Communications Facilities · Industrial Equipment SOIC-8 Figure 1.
Package Type of AM4406/4406F Nov.
2009 Rev.
1.
5 BCD Semiconductor Manufacturing Limited 1 2-PHASE HALF-WAVE HIGH VOLTAGE MOTOR PRE-DRIVER Pin Configuration Data Sheet AM4406/4406F M Package (SOIC-8) VCC 1 HS (+) 2 RD/FG 3 HS (-) 4 8 OUT1 7 OUT2 6 CT 5 GND Figure 2.
Pin Configuration of AM4406/4406F (Top View) Pin Description Pin Number 1 2 3 4 5 6 7 8 Pin Name Function AM4406 AM4406F VCC VCC Power supply HS (+) HS (+) Hall input (+) RD FG Rotation detection/Frequency generation HS (-) HS (-) Hall input (-) GND GND Ground CT CT Timing capacitor OUT2 OUT2 Driver output 2 OUT1 OUT1 Driver output 1 Nov.
2009 Rev.
1.
5 BCD Semiconductor Manufacturing Limited 2 2-PHASE HALF-WAVE HIGH VOLTAGE MOTOR PRE-DRIVER Functional Block Diagram Data Sheet AM4406/4406F VCC 1 HS (+) 2 RD/FG 3 HS (-) 4 Pre-driver 1 8 OUT1 Reg Pre-driver 2 7 OUT2 Hall Amp Control Logic Lock Detector Automatic Restart Comp...


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