ROHM BD99954GW-E2, Lithium-Ion, Li Ion Charger IC, 8.128A 41-Pin, UCSP

  • RS Stock No. 168-1737
  • Mfr. Part No. BD99954GW-E2
  • Manufacturer ROHM
Technical data sheets
Legislation and Compliance
RoHS Certificate of Compliance
Product Details

BD99954GW is a Battery Management LSI for 1-4 cell Lithium-Ion secondary battery, and available in a 40pin 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 for space-constraint equipment such as Low profile Notebook PC, Tablets and other applications. It provides a Dual-source Battery Charger, two port BC1.2 detection and a Battery Monitor with several alarm(INT#, PROCHOT#) outputs.

Dual-source Battery Charger
Programmable charging voltage
Programmable charge current
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
Battery Learn Function

Attribute Value
Battery Type Lithium-Ion
Mounting Type Surface Mount
Package Type UCSP
Pin Count 41
Typical Operating Supply Voltage 3.8 → 25 V
Dimensions 3 x 2.6 x 0.47mm
Length 3mm
Maximum Operating Temperature +85 °C
Height 0.47mm
Width 2.6mm
Maximum Output Current 8.128A
Maximum Output Voltage 22.016 V
Minimum Operating Temperature -30 °C
Minimum Output Current 0A
Number of Cells 4
Minimum Output Voltage 4.032 V
Temporarily out of stock - back order for despatch 17/10/2019, delivery within 3 working days from despatch date
Price Each (On a Reel of 2500)
SGD 5.507
(exc. GST)
SGD 5.892
(inc. GST)
Per unit
Per Reel*
2500 +
*price indicative