Texas Instruments BQ24156YFFR, single-cell Li-Ion/Polymer battery charger, I²C interface, 1.5 A max charge current, programmable current and timer, 20-DSBGA package, -30°C to 85°C operating range.
| Parameter | Value |
|---|---|
| Mounting | Surface Mount |
| Battery pack voltage | 4.44V (Max) |
| Supply voltage | 9V |
| Current - charging | Constant - Programmable |
| Charge current - max | 1.5A |
| Interface | I²C |
| Operating temperature | -30°C~85°C(TA) |
| Package | Tape & Reel (TR); Cut Tape (CT) |
| Case | 20-UFBGA, DSBGA |
| Number of cells | 1 |
| Fault protection | Over Temperature, Over Voltage |
| Battery chemistry | Lithium Ion/Polymer |
| Programmable features | Current, Timer |
It delivers up to 1.5 A of programmable charge current to a single cell with a maximum battery pack voltage of 4.44 V. The supply voltage can go up to 9 V.
The BQ24156YFFR comes in a 20-ball DSBGA package. This is a wafer-level chip-scale package — no plastic overmold — so the die is the package. For low-volume prototyping, Cut Tape is available, but the DSBGA still demands a reflow process.
This means the part is no longer in production.
Yes, the BQ24156YFFR uses an I²C interface to program the charge current and timer settings.