Texas Instruments BQ24721RHBT, multi-chemistry battery charger IC, I²C interface, 3-4 cells, 19.2V max pack voltage, 24V max supply, -40°C to 85°C, 32-VFQFN exposed pad.
| Parameter | Value |
|---|---|
| Mounting | Surface Mount |
| Battery pack voltage | 19.2V (Max) |
| Supply voltage | 24V |
| Interface | I²C |
| Operating temperature | -40°C~85°C(TA) |
| Package | Tape & Reel (TR); Cut Tape (CT) |
| Case | 32-VFQFN Exposed Pad |
| Number of cells | 3 ~ 4 |
| Fault protection | Over Current |
| Battery chemistry | Multi-Chemistry |
| Programmable features | Current |
The BQ24721RHBT: It handles a maximum battery pack voltage of 19.2V and accepts a supply rail up to 24V, with overcurrent fault protection built in.
For new designs or long-run production, evaluate a current-generation SMBus/I²C charger from the BQ247xx family with a similar cell-count and voltage rating.
The BQ24721RHBT uses an I²C interface for communication with the host controller, allowing programmable charge current and voltage settings.