Li-Ion charge controller in a standard SOIC footprint
The BQ2954SNTR is a constant-current fast-charge controller for single-cell or multi-cell Lithium Ion battery packs, built by Texas Instruments in the 16-SOIC package.
BQ2954SNTR Texas Instruments Li-Ion Fast Charge IC, 16-SOIC
MPNBQ2954SNTR
End of Life
Texas Instruments BQ2954SNTR Li-Ion battery fast-charge IC, 16-SOIC (0.154", 3.90mm Width), Surface Mount, Tape & Reel, Constant current charging, -40°C to 85°C.
$5.99Ref. price · indicative, final on quote
Packaging16-SOIC (0.154", 3.90mm Width)
RoHSROHS3 Compliant
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026
Specifications
| Parameter | Value |
|---|---|
| Mounting | Surface Mount |
| Supply voltage | 5.5V |
| Current - charging | Constant |
| Operating temperature | -40°C ~ 85°C (TA) |
| Package | Tape & Reel (TR); Cut Tape (CT) |
| Case | 16-SOIC (0.154\", 3.90mm Width) |
| Battery chemistry | Lithium Ion |
| Programmable features | Current |
Product details
Frequently asked questions
What is the BQ2954SNTR used for?
It is a constant-current fast-charge controller for Lithium Ion battery packs, suitable for portable electronics and battery-backed systems that require a controlled charge current up to 5.5 V supply.