YD5901 Datasheet, PDF (9/10 Pages) List of Unclassifed Manufacturers – 4-ch MOTOR DRIVER FOR PORTABLE CD PLAYERS

YOUDA INTEGRATED CIRCUIT
APPLICATION CIRCUIT
M
1.8k TRAVERSE
M
SPINDLE
YD5901
FOCUS
TRACKING
AMUTE
34
EMP
35
HVcc
33μ
0.1μ
47μ ⁺
36
PSW
37
47
CLK
38
START
CLK
0.1μ
39
OFF
100K
40
CHGVcc
41
TSD
SEL ₄₂
PREGND
43
PWMFIL
44
100K
10p
2200p
33 32 31 30 29 28 27 26 25 24 23
BRAKE1
BTL
BTL
BTL
TSD
MAXIMUM
DETECTION
+-
BTL
V/
I
-+
V/
I
-+
V
/
I
-
+
V
/
I
-
+
IN1
22
MUTE2
21
IN2
20
MUTE34
19
18
17
16
OVER-VOLTAGE
15
TRIANGLE WAVE ^{PRE-DRIVER POWER SUPPLY}
14
+
-
13
12
+
-
+
++ -
+-
+-
1 2 3 4 5 6 7 8 9 10 11
FILTER
VIN
+
47μ
0.1μ
8.2K
0.022μ 0.1μ
470p
DC-DC
Converter
application
VOUT
+
100μ
WuXi YouDa Electronics Co., Ltd
9 of 10
Website: www.e-youda.com