AM5888S
Motor Driver ICs
A
A
M
M
t
t
e
e
k
k
S
S
E
E
M
M
I
I
C
C
O
O
N
N
D
D
U
U
C
C
T
T
O
O
R
R
S
S
F
F
e
e
b
b
2
2
0
0
0
0
5
5
V
V
1
1
.
.
2
2
- 5 -
Pin description
PIN No
Pin Name
Function
1
VINFC
Input for focus driver
2
TRB_1
Connect to external transistor base
3
REGO2
Regulator voltage output, connect to external transistor collector
4
VINSL+
Input for the sled driver
5
REGO1
Regulator voltage output, connect to external transistor collector
6
FWD
Tray driver forward input
7
REV
Tray driver reverse input
8
Vcc1
Vcc for pre-drive block and power block of sled and tray
9
VOTR-
Tray driver output (-)
10
VOTR+
Tray driver output (+)
11
VOSL+
Sled driver output (+)
12
VOSL-
Sled driver output (-)
13
VOFC-
Focus driver output (-)
14
VOFC+
Focus driver output (+)
15
VOTK+
Tracking driver output (+)
16
VOTK-
Tracking driver output (-)
17
VOLD+
Spindle driver output (+)
18
VOLD-
Spindle driver output (-)
19
Vcc2
Vcc for power block of spindle, tracking and focus
20 NC
No
Connection
21
VCTL
Speed control input of tray driver
22 GND
Ground
23
VINLD
Input for spindle driver
24 NC
No
Connection
25
TRB_2
Connect to external transistor base
26
VINTK
Input for tracking driver
27
BIAS
Input for reference voltage
28
MUTE
Input for mute control
Notes) Symbol of + and – (output of drivers) means polarity to input pin.
(For example, if voltage of pin1 is high, pin14 is high.)
DVD27
harman/kardon
82
Содержание DVD 27
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