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BA5954FM Fiches technique(PDF) 3 Page - Rohm

No de pièce BA5954FM
Description  BLT Driver For DVD-ROM
Download  6 Pages
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Fabricant  ROHM [Rohm]
Site Internet  http://www.rohm.com
Logo ROHM - Rohm

BA5954FM Fiches technique(HTML) 3 Page - Rohm

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REV. A
APPLICATION CIRCUIT DIAGRAM
PIN NUMBERS, PIN NAMES
No.
Pin Name
Description
No.
Pin Name
Description
1
VINFC
Focus driver input
15
VOTK+
Tracking driver output (+)
2
CGCerr1
Capacitor connection terminal for
error amp filter
16
VOTK-
Tracking driver output (-)
3
CFCerr2
Capacitor connection terminal for
error amp filter
17
VOLD+
Loading driver output (+)
4
VINSL+
Op amp input (+) for Sled driver
18
VOLD-
Loading driver output (-)
5
VINSL-
Op amp input (-) for Sled driver
19
PGND
Power GND
6
VOSL
Op amp output for Sled driver
20
VNFTK
Tracking driver feedback terminal
7
VNFFC
Focus driver feedback terminal
21
PVcc2
Actuator driver part power Vcc
8
Vcc
Pre Vcc, Sled driver part power Vcc
22
PreGND
Pre GND
9
PVcc1
Loading driver part power Vcc
23
VINLD
Loading driver input
10
PGND
Power GND
24
CTKerr2
Capacitor connection terminal for
error amp filter
11
VOSL-
Sled driver part output (-)
25
CTKerr1
Capacitor connection terminal for
error amp filter
12
VOSL+
Sled driver part output (+)
26
VINTK
Tracking driver input
13
VOFC-
Focus driver part output (-)
27
BIAS
Bias input
14
VOFC+
Focus driver part output (+)
28
STBY
Standby terminal
NotesThe polarity signs shown in the output terminal names indicate the polarities when corresponding
input pins are set to (+).
On the power supply terminals of the output H bridge, PVcc2 is set for the focus and tracking
drivers, PVcc1k for loading, and Vcc for feed motor.
The power supply systems of the pre part are all set to Vcc.
Make sure that this device must be used under the following condition: VCC
≥ PVcc.


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