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ROHM Semiconductor - Power Management LSI

Numéro de référence BD71801GWL
Description Power Management LSI
Fabricant ROHM Semiconductor 
Logo ROHM Semiconductor 





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BD71801GWL fiche technique
Datasheet
Power Management LSI
for Mobile Phone
BD71801GWL
General Description
The BD71801GWL is an integrated Power Management
LSI available in a small 80-pins 0.4mm-pitch 3.8mm-by-
3.8mm Wafer-level CSP package, which is designed to
meet demands for space-constrained Smart phones.
The device provides 5-Buck Converters.
The device also includes 12 general-purpose LDOs
providing a wide range of voltage and current
capabilities.
All Buck Converters and LDOs are fully controllable by
the I2C interface. The BD71801GWL is very easy to use
in any mobile platforms.
Features
5-Channel High Efficiency Step-down Converters.
(Adjustable Voltage Options by I2C)
(Switching frequency 2MHz(TYP))
All Buck Converters Support PFM/PWM Auto Mode.
12-Channel LDOs are Programmable to Voltage
Options by I2C.
LDOs and all Buck Converters Power ON/OFF
Control Enabled by I2C Interface or External pin.
2ch NMOS output LDOs (LDO11, 12) for Optimized
Efficiency.
Power ON/OFF Sequence.
Support TCXO Buffer (26MHz) and 32KHz crystal
oscillator.
I2C Compatible Interface.
( I2C Clock Support : Full Speed Mode 400kHz)
(Device Address is “1001011”,”1001100”)
Applications
Smart Phones
Tablets
Mobile Router
Data Transmitter
Key Specifications
Input Voltage Range:
Output Voltage Range:
Switching Frequency:
OFF Current:
Operating Temperature Range:
2.6V to 5.5V
1.0V to 3.4V
2.0MHz(Typ)
0.3μA (Typ)
-35to +85
Package
UCSP50L3C
W(Typ) x D(Typ) x H(Max)
3.80mm x 3.80mm x 0.57mm
Product structureSilicon monolithic integrated circuit
.www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ2211114001
This product is not designed protection against radioactive rays
1/75
TSZ02201-0B1B0AB00010-1-2
18.Nov.2013 Rev.002

PagesPages 30
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