Texas Instruments BQ24155RGYT, single-cell Li-Ion/Polymer battery charger, I²C interface, 1.25 A max charge current, 14-VFQFN Exposed Pad package, -40°C~85°C operating temperature.
| Parameter | Value |
|---|---|
| Mounting | Surface Mount |
| Battery pack voltage | 4.44V (Max) |
| Supply voltage | 6V |
| Current - charging | Constant - Programmable |
| Charge current - max | 1.25A |
| Interface | I²C |
| Operating temperature | -40°C~85°C(TA) |
| Package | Tape & Reel (TR); Cut Tape (CT) |
| Case | 14-VFQFN Exposed Pad |
| Number of cells | 1 |
| Fault protection | Over Temperature, Over Voltage |
| Battery chemistry | Lithium Ion/Polymer |
| Programmable features | Current, Timer, Voltage |
It delivers up to 1.25 A of programmable charge current from a supply up to 6 V.
It comes in a 14-VFQFN Exposed Pad package (3.5×3.5 mm body).
No official replacement or second-source equivalent is listed — this is the current-generation part for single-cell Li-Ion charging with I²C programmability.
No — the BQ24155RGYT is designed for single-cell (1-cell) Li-Ion/Polymer batteries only. The battery pack voltage is limited to 4.44 V max.