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BD99958GW Datasheet(PDF) 1 Page - Rohm

Part # BD99958GW
Description  1 to 4-Cell Li-Ion Battery Manager For Application Processors
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Manufacturer  ROHM [Rohm]
Direct Link  http://www.rohm.com
Logo ROHM - Rohm

BD99958GW Datasheet(HTML) 1 Page - Rohm

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〇Product structure : Silicon monolithic integrated circuit 〇This product has no designed protection against radioactive rays
1/126
TSZ02201-0B4B0A700060-1-2
© 2018 ROHM Co., Ltd. All rights reserved.
21.Aug.2018 Rev.001
TSZ22111
• 14 • 001
www.rohm.com
1 to 4-Cell Li-Ion Battery Manager
For Application Processors
BD99958GW
General Description
BD99958GW is a Battery Management LSI for 1 to
4-Cell Lithium-Ion battery, and available in a small 41-ball
0.4 mm pitch 2.6 mm x 3.0 mm Wafer-level CSP package
which is designed to meet high degree demands for
space-constraint
equipment
such
as
Low
Profile
Notebook PC, Tablets and other applications.
BD99958GW provides a Dual-source Battery Charger,
two port BCS1.2 detectors and a Battery Monitor with
several alarm (INT#, PROCHOT#) outputs.
Features
 Dual-source Battery Charger
High Efficiency Step-up/down Switching Charger for
1 to 4-Cell Li-Ion/Li-poly Battery
Two Separate Input Sources for USB-VBUS and DC
Adapter.
Two Port BCS1.2 Detectors.
JEITA Compliant Charging Profile
Programmable Parameters for Preconditioning,
Pre-charge Current, and Fast-charge Current
Programmable Charging Voltage
Programmable Charge Current
Programmable Switching Frequency: 600 kHz to
1.2 MHz
Support USB BCS1.2, OTG
USB-VBUS Over Voltage Protection
Over Voltage Battery Protection
Battery Short Circuit Detection
Power Path Management with Charge Pump Gate
Driver
Flexibility Power Path Control
Reverse Buck/Boost Option for USB/USB-PD
Bias Voltage Output for the External Thermistor
PMON Output
PROCHOT# Output
Support Inhibit/Autonomous Charging
Battery Learn Function
Input Operating Range: 3.8 V to 25.0 V
Voltage Measurement for Thermistor.
Bias Voltage Output for the External Thermistor.
SMBus Interface (Clock Up Friendly I2C) for Host
Communication
Embedded OTPROM for Initial Settings
Package
W(Typ) x D(Typ) x H(Max)
UCSP55M3C 41pin
2.60 mm x 3.00 mm x 0.62 mm
(BD99958GW)
Applications
Ultrabook
Notebook PC
Ultra-Mobile PC
Tablet PC
UCSP55M3C (BD99958GW)
Datasheet


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