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Numéro de référence | BD7959EFV | ||
Description | Silicon Monolithic Integrated Circuit | ||
Fabricant | ROHM Semiconductor | ||
Logo | |||
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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 (35~42, 45~47pin) is contained.
#2 Reduce power by 16mW for each degree above 25℃.
Limits
15 #1
15
7
15
2.0 #2
-20~75
-55~150
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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Pages | Pages 4 | ||
Télécharger | [ BD7959EFV ] |
No | Description détaillée | Fabricant |
BD7959EFV | Silicon Monolithic Integrated Circuit | ROHM Semiconductor |
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