BD99954MWV - ROHM

BD99954MWV 1 to 4-Cell Li-Ion Battery Manager

 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  SM.

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 compliant charging profile
 Programmable parameters for Preconditioning, Pre- charge current, and Fast-charge current
 Programmable charging voltage UQFN040V5050 UCSP55M3C
 Programmable charge current
 Programmable Switching Frequency: 600kHz to 1.2MHz
 Support USB BCS 1.2, ACA, I.