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Passive Components

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 (Sub Systems)

Energy Saving!ECO Devices

Power Management ICs

Power Management Switch ICs : Power Management IC Series for Mobile Phones
Multifunction Power Management IC
Part No. Supply
voltage
(V)		 Item Regulator output Protection circuit Lithium-
ion
charging
control		 USB
tranceiver		 Power-on
sequence		 Preset Package RoHS
REG
1-2		 REG
3		 REG
4-5		 REG
6-7		 REG
8		 REG
9		 REG
10		 DCDC Over
current		 Temperature
BH7280GUW 3.2
to
4.5		 Output
voltage
(V)		 2.6
to
3.05		 1.5
to
2.66		 2.6
to
3.05		 2.7
to
3.05		 2.7
to
3.1		 1.5
to
2.85		 3.3 1.1
to
2.4		 REG1-10 is
foldback
DCDC is
dropping
type		 Ö Ö Ö Ö 9mode VBGA080W050
Yes
Output
current
(mA)		 300 300 150 150 150 150 10 500
Ripple
Rejection
(dB)		 60 60 60 60 60 60 60 -


High-efficiency Power Management ICs
Part No. Supply
voltage
(V)
 Function Appli-
cation		 Output
voltage
(V)		 Max
Output
current
(mA)		 Efficiency
(%)		 Ripple
rejection		 Input
interface		 Protection circuit Package
(mm)		 RoHS
Over current Tempeta-
ture		 Low
voltage
BH6053GU 3.2 to 4.5 Step-down
DC/DC		 Main core 1.5/1.2 400 85
(@lo=100mA)		 - Parallel Droop-
ing
type		 Ö Ö VCSP85H3
(3.54×3.54)
H=1.0Max.
Yes
REG1 I/O 2.85/2.6 150 - 60
(dB@1kHz)		 Parallel Fold back Ö Ö
REG2/REG4 Memory
/I/O		 1.8 120/50 - 60
(dB@1kHz)		 Parallel Fold back Ö Ö
REG3 USB
peripheral		 3.3 150 - 60
(dB@1kHz)		 Parallel Fold back Ö Ö
REG5 Sub core 1.5/1.2 50 - 60
(dB@1kHz)		 Parallel Fold back Ö Ö
BH6951GU 3.0 to 4.5 Step-down
DC/DC		 Core 1.5/1.2 400 85
(@lo=100mA)		 - Parallel Droop-
ing
type		 Ö Ö VCSP85H2
（2.6×2.6）
H=1.0Max.
Yes
☆BH6172GU 3.2 to 4.5 Step-down
DC/DC		 Main core 0.8 to 2.4
16step		 500 90
(@Vo=2.4V)		 - I2C Droop-
ing
type		 Ö Ö VCSP85H2
(2.6×2.6)
H=1.0Max.
Yes
REG1 Sub core 1.0 to 3.3
16step		 150 - 60
(dB@120Hz)		 I2C/Parallel Fold back Ö Ö
REG2 I/O 1.0 to 3.3
16step		 150 - 60
(dB@120Hz)		 I2C/Parallel Fold back Ö Ö
REG3 Memory 1.2 to 3.3
16step		 300 - 60
(dB@120Hz)		 I2C/Parallel Fold back Ö Ö
REG4 I/O 1.2 to 3.3
16step		 300 - 60
(dB@120Hz)		 I2C/Parallel Fold back Ö Ö
REG5 USB 1.2 to 3.3
16step		 150 - 60
(dB@120Hz)		 I2C Fold back Ö Ö
☆ : Under development


Low Noise Power Management IC
Part No. Supply
voltage
(V)
 Item DC/DC Regulator output Package
(mm)		 RoHS
Step down REG1 REG2 REG3 REG4 REG5 REG6
BH6955GU 3.1 to 4.5 Output
voltage
(V)		 1.95V 1.5V
(Input from DC/DC）		 1.5V
(Input from DC/DC）		 2.5V 2.5V 2.9V 3.3V
(Input from
USB VBUS）		 VCSP85H3
（3.74×3.74)
H=1.0Max.
Yes
Output
current
(mA)		 550mA 300mA 150mA 150mA 150mA 200mA 150mA


Power Management ICs for Panels
Part No. Supply
voltage
(V)
 Item DC/DC Regulator output LED driver Protection circuit GPO Interface Package
(mm)		 RoHS
Charge-
pump		 REG1 REG2 REG3 REG4 REG5 MAIN SUB Over current Tempeta-
ture
BH6054GU 3.1 to 4.8 Output
voltage
(V)		 Vcc×1/Vcc×1.5 2.9V 2.9V 2.6V 2.9V 2.9V 20ｍA
(10step)		 20ｍA
(10step)		 Ö Ö 10ch I2C BUS＊ VCSP85H4
（4.54×4.54)
H=1.0Max.
Yes
Output
current
(V)		 160mA 150mA 150mA 150mA 150mA 50mA
BH6056GU 3.1 to 4.8 Output
voltage
(V)		 Vcc×1/Vcc×1.5 - - - - - 20mA
(10step)		 20mA
(10step)		 Ö Ö 3ch I2C BUS＊ VCSP85H3
（3.5×3.5）
H=1.0Max.
Yes
Output
current
(V)		 160mA
＊I2C BUS is a registered trademark of philips.

Power Management IC for Battery Charger
Part No. Supply voltage
(V)
 Number of Amp Voltage control Amp Current control Amp Control system UVLO Current Consumption
(mA)		 Package RoHS
Reference voltage
(V)		 GMV
(mA/mV)		 Reference voltage
(mV)		 GMI
(mA/mV)		 Output short circuit current
(ｍA)
2.5 to 12 2 1.210 4.0 200 4.0 20 OR detection None 0.9
Yes
1.8 to 12 2 1.210 4.5 200 3.5 25 OR detection Ö 0.6
Yes

NEW! Power Management

2008.02.29

ROHM Electronics' New 900 kHz Single-Channel Step-Down Switching Regulator Delivers Space Savings and High Efficiency

2007.12.27

Integrate Expand! Power Management Switch LSI Series

2007.12.05

The Industry's Smallest High-performance Charge Protection IC for Mobile USB Devices