BD99954MWV
BD99954MWV is 1 to 4-Cell Li-Ion Battery Manager manufactured by ROHM.
Description
- Voltage Measurement for Thermistor.
BD99954 is a Battery Management LSI for 1-4 cell Lithium-Ion secondary battery, and available in a 40pin
- Bias voltage output for the external thermistor.
0.40 mm pitch 5.0 mm x 5.0 mm QFN package and small 41-ball 0.4mm pitch 2.6mm x 3.0mm Wafer-Level CSP package which is designed to meet high degree demands
- SMBus Interface (Clock up friendly I2C) for Host munication for space-constraint equipment such as Low profile
Notebook PC, Tablets and other applications.
- Embedded OTPROM for initial settings
BD99954 provides a Dual-source Battery Charger, two port BC1.2 detection and a Battery Monitor with several
- Packages alarm(INT#, PROCHOT#) outputs
Pitch W x D x H
- Features
- Dual-source Battery Charger
UQFN040V5050
UCSP55M3C 6 x 7balls
0.4mm 5.0mm x 5.0mm x 1.0mm 0.4mm 2.6mm x 3.0mm x 0.62mm
- High efficiency Step-Up/Down switching charger for
1-4 cell Li-Ion/Li-poly battery
- Two separate input sources for USB-VBUS and DC adapter.
- Two port BC1.2 detectors.
- JEITA pliant charging profile
- Programmable parameters for Preconditioning, Pre- charge current, and Fast-charge current
- Programmable charging voltage
UQFN040V5050
UCSP55M3C
- Programmable charge current
- Programmable Switching Frequency: 600k Hz to 1.2MHz
- Support USB BCS 1.2, ACA, ID pin, OTG
- USB-VBUS Over Voltage Protection
- Over Voltage Battery Protection
- Battery Short Circuit Detection
- Applications
- Ultrabook
- Notebook PC
- Ultra-mobile PC
- Tablet PC
- Power Path Management with charge pump gate driver
- Structure
- Flexibility power path control
- Reverse Buck/Boost Option for...
