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AM3933 Datasheet(PDF) 3 Page - AMtek SEMICONDUCTORS CO., LTD

Part # AM3933
Description  Single Phase Full-Wave Motor Driver for Fan Motor
PDF  11 Pages
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Manufacturer  AMTEK [AMtek SEMICONDUCTORS CO., LTD]
Direct Link  http://www.amtek-semi.com
Logo AMTEK - AMtek SEMICONDUCTORS CO., LTD

AM3933 Datasheet(HTML) 3 Page - AMtek SEMICONDUCTORS CO., LTD

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AM3933
Motor Driver ICs
http://www.amtek-semi.com
Aug.. 2
20
01
13
3 V
V1
1..2
2
Specifications subject to change without notice
- 3 -
Block Diagram
Fig.1 Block diagram
Pin Description
PIN No
Pin Name
Function
1
FG
FG signal output terminal
2
PWM
PWM signal input terminal
3
VCC
Power supply terminal
4
OUT1
Motor output terminal
5
GND
Ground terminal
6
OUT2
Motor output terminal
7
SEL
Noise Free
8
H+
Hall input terminal
9
HB
Hall Bias
10
H-
Hall input terminal
Thermal pad
Thermal pad
Connect to Ground for maximum thermal efficiency.
Truth Table
H+
H-
PWM
OUT1
OUT2
FG
Mode
H
L
H
H
L
L (Output Tr : ON)
Operation mode
L
H
L
H
Z (Output Tr : OFF)
H
L
L
L
L
L (Output Tr : ON)
L
H
L
L
Z (Output Tr : OFF)
H
L
-
L
L
L (Output Tr : ON)
Lock mode
L
H
L
L
Z (Output Tr : OFF)
Z：Open drain output (High impedance)



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