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參數(shù)資料
| 型號(hào)： | BH6541KV |
| 廠商： | Rohm CO.,LTD. |
| 英文描述： | Power driver for portable CD |
| 中文描述： | 電力驅(qū)動(dòng)的便攜式CD |
| 文件頁數(shù)： | 1/3頁 |
| 文件大小： | 182K |
| 代理商： | BH6541KV |
Power driver for portable CD
BH6541KV
Description
Dimension (Units : mm)
Features
Applications
BH6541KV is a 3chPWM driver + 1ch sensorless
spindle driver developed for driving motor and
actuator of portable CD,MD. Lower power
consumption can be achieved in the set by
applying the power MOSFET. In addition,
the size reduction in the set can be accomplished
by using the VQFP48 package.
00W149A
<PWM driver: 3ch>
1) Digital input, Direct PWM driving system
<Spindle driver>
1) 3-phase full-wave sensorless driving system
2) Built-in start and brake function
3) Built-in half-bridge driver for power supply
VQFP48
Portable CD, MD
February, 2001
Control circuit supply voltage
Power block supply voltage
Pre-driver supply voltage
2.4
1.5
7.2
2.2
0.8
—
4.5
4.5
8.5
V
V
V
Recommended Operating Conditions (Ta=25C)
Parameter
Min.
Max.
Unit
Typ.
VCC
PVCC
VG (19pin)
Symbol
Absolute Maximum Ratings (Ta=25C)
Control circuit supply voltage
Power block supply voltage
Pre-driver supply voltage
Power dissipation
Operating temperature range
Storage temperature range
Parameter
Unit
V
V
V
W
Symbol
Vcc
PVCC
VG (19pin)
Pd
Topr
Tstg
Limits
7
7
9
1.12
–30 ~ +85
–55 ~ +150
C
C
*
*Derating : 9.0mW/C for operation above Ta=25C
On less than 3% (percentage occupied by copper foil),70mmx70mm, t=1.6mm, glass epoxy mounting.
0
0.15
±
0.1
0.1
0.2
±
0.1
9
±
0
7
±
0
9.0
±
0.3
7.0
±
0.2
48
37
1
12
13
24
25
36
0.5
1
±
0
0
±
0
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