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BD7959EFV fiches techniques PDF

ROHM Semiconductor - Silicon Monolithic Integrated Circuit

Numéro de référence BD7959EFV
Description Silicon Monolithic Integrated Circuit
Fabricant ROHM Semiconductor 
Logo ROHM Semiconductor 





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BD7959EFV fiche technique
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Structure
Silicon Monolithic Integrated Circuit
Product series
Type
9ch Power Driver for CD-ROM,DVD-ROM
BD7959EFV
Function
特長
The spindle driver and the SLED / SA driver can highly effective drive with
PWM drive system.
The actuator driver and the loading driver are liner BTL drive system and
are achieving a low noise power.
Absolute maximum ratings
Parameter
Symbol
POWER MOS power supply voltage
Preblock/BTL powerblock power supply voltage
SPVM,
SL/SAVM
Vcc, AVM
PWM control block power supply voltage
DVcc
Pick-up pull charge capacitor terminal voltage
CHG_C
www.DataSheet4U.cPoomwer dissipation
Operating temperature range
Pd
Topr
Storage temperature
Tstg
Joint part temperature
Tjmax
#1 POWER MOS output terminals (3542, 4547pin) is contained.
#2 Reduce power by 16mW for each degree above 25.
Limits
15 #1
15
7
15
2.0 #2
-2075
-55150
150
Unit
V
V
V
V
W
Recommended operating conditions(Ta=-20+75)
Set the power supply voltage taking allowable dissipation into considering
Parameter
Symbol
MIN TYP MAX Unit
Spindle driver powerblock Power supply voltage
Sled / SA motor driver powerblock Power supply voltage
Preblock / Loading driver powerblock Power supply voltage
SPVM
SL/SAVM
Vcc
10.8
VCC #3
VCC #3
12
13.2
V
V
V
Actuator driver powerblock Power supply voltage
AVM
4.3 5.0 5.5
V
PWM control block power supply voltage
Spindle driver output current
DVcc
Iosp
4.3 5.0 5.5
V
1.2 2.5#4 A
Actuator, sled / SA motor, loading motor driver output current
Ioo
0.5 0.8 A
#3 Set the same supply voltage to Vcc and SPVM, SL/SAVM
#4 The current is guaranteed 3.0A in case of the Short-circuit braking mode and the current which is turned on/off in a
duty-ratio of less than 1/10 with a maximum on-time of 5msec.
This product isn’t designed for protection against radioactive rays.
Status of this document
The Japanese version of this document is the formal specification.
A customer may use this translation version only for a reference to help reading the formal version.
If there are any differences in translation version of this document, formal version takes priority.
REV. A

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