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Diodes Semiconductor Electronic Components Datasheet

AM4406 Datasheet

2-PHASE HALF-WAVE HIGH VOLTAGE MOTOR PRE-DRIVER

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AM4406 pdf
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 pre-
drivers 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 automat-
ically 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


Diodes Semiconductor Electronic Components Datasheet

AM4406 Datasheet

2-PHASE HALF-WAVE HIGH VOLTAGE MOTOR PRE-DRIVER

No Preview Available !

AM4406 pdf
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


Part Number AM4406
Description 2-PHASE HALF-WAVE HIGH VOLTAGE MOTOR PRE-DRIVER
Maker BCD Semiconductor
Total Page 12 Pages
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