SA5901 Datasheet, PDF (9/24 Pages) Silan Microelectronics Joint-stock – 4-CHANNEL MOTOR DRIVER FOR PORTABLE CD PLAYER

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PIN No.
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
Symbol
SW
EO
EI
SPRT
CT
NC
OP-
VSYS1
OPOUT
OP+
VSYS2
VREF
IN3
IN4
MUTE34
IN2
MUTE2
IN1
BRAKE1
OUT4R
OUT4F
OUT3R
OUT3F
POWGND
OUT2F
OUT2R
OUT1F
OUT1R
RCHG
AMUTE
EMP
HVCC
PSW
CLK
START
OFF
CHGVCC
SEL
PREGND
PWMFLL
Description
Booster transistor drive pin
Error amplifier output pin
Error amplifier input pin
Short-circuit protection setting pin
Triangular wave output pin
Not connected
Operational amplifier negative input pin
Control circuit power supply input pin
Operational amplifier output pin
Operational amplifier positive input pin
Pre-driver power supply input pin
Reference power supply input pin
CH3 control signal input pin
CH4 control signal input pin
CH3/CH4 mute pin
CH2 control signal input pin
CH2 mute pin
CH1 control signal input pin
CH1 brake pin
CH4 negative output
CH4 positive output
CH3 negative output
CH3 positive output
Power unit power supply ground
CH2 positive output
CH2 negative output
CH1 positive output
CH1 negative output
Charging current setting pin
Reset inversion output pin
‘Empty’detection output pin
h-bridge power supply input pin
PWM transistor drive pin
External clock synchronization input pin
Boost DC/DC converter starting pin
Boost DC/DC converter OFF pin
Charging circuit power supply input pin
‘Empty’detection level switching pin
Pre-unit power supply ground pin
PWM phase compensation pin
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
SA5901
REV:1.3 2006.02.27
Page 9 of 24