BD7959EFV [ROHM]
Silicon Monolithic Integrated Circuit; 硅单片集成电路
| 型号： | BD7959EFV |
| 厂家： | 
ROHM |
| 描述： | Silicon Monolithic Integrated Circuit |
| 文件： | 总4页 (文件大小：179K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
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Structure
Silicon Monolithic Integrated Circuit
Product series
9ch Power Driver for CD-ROM,DVD-ROM
Type
BD7959EFV
Function
・The spindle driver and the SLED / SA driver can highly effective drive with
PWM drive system.
特
長
・The actuator driver and the loading driver are liner BTL drive system and
are achieving a low noise power.
○Absolute maximum ratings
Parameter
Symbol
Limits
15 #1
Unit
V
SPVM,
SL/SAVM
POWER MOS power supply voltage
Vcc, AVM
DVcc
CHG_C
Pd
Preblock/BTL powerblock power supply voltage
PWM control block power supply voltage
Pick-up pull charge capacitor terminal voltage
Power dissipation
15
7
V
V
15
V
2.0 #2
-20～75
-55～150
150
W
℃
℃
℃
Operating temperature range
Storage temperature
Topr
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℃.
○Recommended operating conditions(Ta=-20～+75℃)
〔Set the power supply voltage taking allowable dissipation into considering〕
Parameter
Symbol
SPVM
MIN
－
TYP
VCC #3
VCC #3
12
MAX
Unit
V
Spindle driver powerblock Power supply voltage
Sled / SA motor driver powerblock Power supply voltage
Preblock / Loading driver powerblock Power supply voltage
Actuator driver powerblock Power supply voltage
PWM control block power supply voltage
－
－
SL/SAVM
Vcc
－
V
10.8
4.3
4.3
－
13.2
5.5
V
AVM
DVcc
Iosp
Ioo
5.0
V
5.0
5.5
V
Spindle driver output current
1.2
2.5#4
0.8
A
Actuator, sled / SA motor, loading motor driver output current
－
0.5
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
2/3
○Electrical characteristics
(Unless otherwise noted, Ta=25℃,Vcc=SL/SAVM=12V ,DVcc=AVM=5V ,SPRNF=0.33Ω ,RL=8Ω,RLSP=2Ω,PICKCTL=5V)
Parameter
Quiescent current1
Symbol
IQ1
MIN.
－
TYP.
12
MAX.
24
Unit
mA
mA
mA
mA
mA
mV
A/V
Ω
Condition
Vcc（Loading OFF）
Vcc（Loading ON）
DVcc
Quiescent current2
IQ2
－
7
12
Circuit current Quiescent current3
Standby-on current1
IQ3
－
7
12
IST1
－
－
0.5
1.0
80
Vcc
Standby-on current2
IST2
－
－
DVcc
Input dead zone (one side)
VDZSL
gmSL
RONSL
ILIMSL
fosc
0
20
Input output gain
Sled driver
1.0
－
1.25
2.2
1.2
100
60
1.5
3.3
1.56
－
Rin1,2=62kΩ
Output On resistor（top and bottom）
block
IL=500mA
Output limit current
0.84
－
A
PWM frequency
kHz
mV
A/V
Ω
Input dead zone (one side)
VDZSA
gmSA
RONSA
ILIMSA
Fosc
0
120
0.199
3.3
520
－
Input output gain
SA driver
0.141
－
0.17
2.2
400
100
10
Rin1=68kΩ, Rin2=75kΩ
Output On resistor（top and bottom）
block
IL=200mA
Output limit current
280
－
mA
kHz
mV
A/V
Ω
PWM frequency
Input dead zone (one side)
VDZSP
gmSP
RONSP
ILIMSP
Fosc
0
40
Input output gain
Spindle driver
0.91
－
1.15
1.5
1.1
100
0
1.39
2.6
1.32
－
SPRNF=0.33Ω
IL=500mA
Output On resistor（top and bottom）
block
Output limit current
0.88
－
A
SPRNF=0.33Ω
PWM frequency
kHz
mV
V
Output offset voltage
Actuator driver
VOFFT
VOFT
GVFT
VOFLD
VOLD
-50
－
50
Output saturation voltage
block
0.9
17.5
0
1.8
19.5
50
IL=500mA
IL=500mA
Voltage gain
15.5
-50
－
dB
Output offset voltage
mV
V
Loading driver
Output saturation voltage
2.2
2.9
block
Voltage gain
GVLD
15.5
17.5
19.5
dB
VC drop-muting
Others
VMVC
VMVcc
0.4
3.4
0.7
3.8
1.0
4.2
V
V
Vcc drop-muting
○Package outlines
(MAX 18.85 include BURR)
BD7959EFV
HTSSOP-B54 (UNIT : mm) Figure No.; B1196
Belly metal (substrate side) heat radiation
REV. A
3/3
○Block diagram
REV. A
Appendix
Notes
No technical content pages of this document may be reproduced in any form or transmitted by any
means without prior permission of ROHM CO.,LTD.
The contents described herein are subject to change without notice. The specifications for the
product described in this document are for reference only. Upon actual use, therefore, please request
that specifications to be separately delivered.
Application circuit diagrams and circuit constants contained herein are shown as examples of standard
use and operation. Please pay careful attention to the peripheral conditions when designing circuits
and deciding upon circuit constants in the set.
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
third party's intellectual property rights or other proprietary rights, and further, assumes no liability of
whatsoever nature in the event of any such infringement, or arising from or connected with or related
to the use of such devices.
Upon the sale of any such devices, other than for buyer's right to use such devices itself, resell or
otherwise dispose of the same, no express or implied right or license to practice or commercially
exploit any intellectual property rights or other proprietary rights owned or controlled by
ROHM CO., LTD. is granted to any such buyer.
Products listed in this document are no antiradiation design.
The products listed in this document are designed to be used with ordinary electronic equipment or devices
(such as audio visual equipment, office-automation equipment, communications devices, electrical
appliances and electronic toys).
Should you intend to use these products with equipment or devices which require an extremely high level
of reliability and the malfunction of which would directly endanger human life (such as medical
instruments, transportation equipment, aerospace machinery, nuclear-reactor controllers, fuel controllers
and other safety devices), please be sure to consult with our sales representative in advance.
It is our top priority to supply products with the utmost quality and reliability. However, there is always a chance
of failure due to unexpected factors. Therefore, please take into account the derating characteristics and allow
for sufficient safety features, such as extra margin, anti-flammability, and fail-safe measures when designing in
order to prevent possible accidents that may result in bodily harm or fire caused by component failure. ROHM
cannot be held responsible for any damages arising from the use of the products under conditions out of the
range of the specifications or due to non-compliance with the NOTES specified in this catalog.
Thank you for your accessing to ROHM product informations.
More detail product informations and catalogs are available, please contact your nearest sales office.
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Appendix1-Rev2.0
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