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AM5901AF44 Datasheet(PDF) 4 Page - BCD Semiconductor Manufacturing Limited

Part # AM5901AF44
Description  4-CHANNEL MOTOR DRIVER WITH POWER CONTROLLER
PDF  19 Pages
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Manufacturer  BCDSEMI [BCD Semiconductor Manufacturing Limited]
Direct Link  http://www.bcdsemi.com
Logo BCDSEMI - BCD Semiconductor Manufacturing Limited

AM5901AF44 Datasheet(HTML) 4 Page - BCD Semiconductor Manufacturing Limited

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Data Sheet
4
Mar. 2007 Rev. 1. 3
BCD Semiconductor Manufacturing Limited
AM5901A
4-CHANNEL MOTOR DRIVER WITH POWER CONTROLLER
Pin Description
Pin Number
Pin Name
Function
1
BSEN
Battery voltage monitor
2
BATT
Battery power supply input
3
RESET
Reset detection output
4
DEAD
Dead-time setting
5
SW
Booster transistor drive
6
EO
Error amplifier output
7
EI
Error amplifier input
8
SPRT
Short-circuit protection setting
9
CT
Triangular wave output
10
N.C.
Nothing connected
11
OP-
Operational amplifier negative input
12
VSYS1
Control circuit power supply input
13
OPOUT
Operational amplifier output
14
OP+
Operational amplifier positive input
15
VSYS2
Pre-driver power supply input
16
VREF
Reference power supply input
17
IN3
CH3 control signal input
18
IN4
CH4 control signal input
19
MUTE34
CH3/CH4 mute
20
IN2
CH2 control signal input
21
MUTE2
CH2 mute
22
IN1
CH1 control signal input
23
BRAKE1
CH1 brake
24
OUT4R
CH4 negative output
25
OUT4F
CH4 positive output
26
OUT3R
CH3 negative output
27
OUT3F
CH3 positive output
28
POWGND
Power unit power ground
29
OUT2F
CH2 positive output
30
OUT2R
CH2 negative output
31
OUT1F
CH1 positive output
32
OUT1R
CH1 negative output
33
RCHG
Charging current setting
34
AMUTE
Reset inversion output
35
EMP
"Empty" detection output
36
HVCC
H-bridge power supply input
37
PSW
PWM transistor drive
38
CLK
External clock synchronization input
39
START
Boost DC/DC converter starting
40
OFF
Boost DC/DC converter OFF
41
CHGVcc
Charging circuit power supply input
42
SEL
"Empty" detection level switching
43
PREGND
Pre-unit power supply ground
44
PWMFIL
PWM phase compensation



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