BD7907FS Rohm, BD7907FS Datasheet

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BD7907FS

Manufacturer Part Number
BD7907FS
Description
Manufacturer
Rohm
Datasheet
1.BD7907FS.pdf (3 pages)

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<
<
<
*Derating : 20.8mW/˚C for operation above Ta=25˚C PCB (70mm ¥ 70mm ¥ 1.6mm glass epoxy board)
Power MOS supply voltage
Pre/BTL power supply voltage
PWM control supply voltage
Power dissipation
Operating temperature range
Storage temperature range
Spindle driver
Sled motor driver
Actuator, loading driver
1) Motor drivers for spindle, sled (2-channel) and
2) ON/OFF for each driver, brake mode switching of
3) Built-in triangular-wave generator
4) SSOP-A54 package
5) Built-in thermal shut-down circuit
6) Highly efficient by applying the PWM drive and
7) Built-in current limit, hall bias, short brake, FG 3-phase
10) Low noise due to the linear BTL driver and smooth spin
Description
Features
Applications
CD-ROM, DVD-ROM, and any other equipment driven by optical DISC
BD7907FS is a 6-channel driver IC that integrates all
drivers necessary for CD-ROM, and DVD-ROM systems
into a single chip. The built-in 2-channel sled motor
driver is used for the stepping motor. Low heat operation
can be achieved by applying the PWM driving system for
sled and spindle motor drivers.
8) Highly efficient due to the PWM drive
9) Built-in 2-channel for the stepping motor
Absolute Maximum Ratings
loading, and actuator drivers for tracking are all
integrated into a single chip.
spindle and stand-by mode switching can be
controlled by 2-wire serial data.
Low ON resistance POWER MOSFET
synthesis output, and reverse protection circuit
Parameter
>
>
6-channel Combo driver IC
>
VCC, SLVDD,
SPVM1,2,
SLRNF1,2
Symbol
(Ta=25˚C)
DVCC
Topr
Tstg
AVM
Pd
BD7907FS
–35
–55
Limits
2.6
15
15
~
~
7
+
+
*
85
150
1
Unit
˚C
˚C
W
V
V
V
Dimension (Units : mm)
54
1
0.8
SSOP-A54
22.0
6.0
±
±
0.2
0.2
0.36
±
0.1
January, 2002
28
27
0.1
01W138A
0.15
±
0.1

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BD7907FS Summary of contents

Page 1

... Combo driver IC Description BD7907FS is a 6-channel driver IC that integrates all drivers necessary for CD-ROM, and DVD-ROM systems into a single chip. The built-in 2-channel sled motor driver is used for the stepping motor. Low heat operation can be achieved by applying the PWM driving system for sled and spindle motor drivers ...

Page 2

Recommended Operating Conditions (Ta=25˚C) Parameter Symbol Power MOS supply voltage1 SPVM1,2 Power MOS supply voltage2 SLRNF1,2 Pre-driver supply voltage SLVDD,VCC Power driver supply voltage AVM PWM control supply voltage DVCC ∗ 2 SPVM1,2 must be established with the same voltage ...

Page 3

... Any data, including, but not limited to application circuit diagrams information, described herein are intended only as illustrations of such devices and not as the specifications for such devices. ROHM CO.,LTD. disclaims any warranty that any use of such devices shall be free from infringement of any ...

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