BH6584KV_07 Datasheet, PDF (1/7 Pages) Rohm – Silicon Monolithic Integrated Circuit

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Structure
:
Product Name :
Silicon Monolithic Integrated Circuit
Power control for portable CDs
Device Name : BH6584KV
Features
: • Low power consumption
• Low ON resistance
• VQFP_48C package
<Power Control Part>
• Step-up DC/DC converter for microcomputers (With a built-in switching Tr)
• Main step-up/step-down DC/DC converter (With a built-in switching Tr)
• Sub step-up DC/DC converter (With a built-in switching Tr)
• VG step-up circuit for driving power MOS (With a built-in switching Tr)
• Ripple filter circuit
• Step-down regulator circuit (2.9V/3.8V, 1.5V)
• Reset circuit
<Driver Part>
• Incorporating four channels of power MOS H-bridge drivers
• Supporting digital input
• Direct PWM driving method
{ ABSOLUTE MAXIMUM RATINGS (Ta=25°C)
Parameter
Symbol
Limits
Unit
H-bridge Power Supply Voltage
PVCC
7
V
Battery Power Supply Voltage
PVCC0,PVCC1
7
V
Power Supply Voltage for Microcomputer
VMC
7
V
Power Supply Voltage for Core
REGOUT
7
V
System Power Supply Voltage
SVCC
7
V
Sub Power Supply Voltage
VSUB
7
V
AC Adaptor Power Supply Voltage
PVCC2
7
V
Pre Driver Power Supply Voltage
DSW, USW Output Current
Power Dissipation
VG
7
V
IO
3 ^*1
A
Pd
1180 ^*2
mW
Operating Temperature Range
Topr
-30 to 85
°C
Storage Temperature Range
Tstg
-55 to 150
°C
*1)Maximum time period for applying voltage: 5msec, interrupted current with Duty1/10 or less
*2)When mounted on the PCB board (glass/epoxy board with the size: 70 mm×70 mm, the thickness:
1.6 mm). Over Ta=25°C, derating at the rate of 9.5mW/°C.
{ RECOMMENDED OPERATING CONDITIONS
Parameter
Symbol
MIN
TYP
MAX
Unit
H-bridge Power Supply Voltage
PVCC
1.5
2.4
4.5
V
Battery Power Supply Voltage
PVCC0,PVCC1
1.5
2.4
4.5
V
Power Supply Voltage for Microcomputer
VMC
2.0
2.5
4.5
V
Power Supply Voltage for Core
REGOUT
1.4
1.5
1.6
V
System Power Supply Voltage
SVCC
2.0
2.5
4.5
V
Sub Power Supply Voltage
VSUB
2.0
3.2
4.5
V
AC Adaptor Power Supply Voltage
Pre Driver Power Supply Voltage ^*3
PVCC2
VG
2.0
4.5
5.0
6.0
6.5
V
6.9
V
Ambient Temperature
Ta
-10
25
70
°C
*3)When supplied externally without using the built-in step-up circuit.
This product has not been checked for the strategic materials (or service) defined in the Foreign
Exchange and Foreign Trade Control Low of Japan so that a verification work is required before
exporting it.
Not designed for radiation resistance.
REV. A