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| Part Number | BQ25121AYFPR |
| Description | PWR MGMT BATTERY MGMT |
| Manufacturer | Texas Instruments |
| Series | - |
| Part Status | Active |
| Battery Chemistry | Multi-Chemistry |
| Number of Cells | 1 |
| Current - Charging | Constant |
| Programmable Features | Current, Timer, Voltage |
| Fault Protection | Over Current, Over Voltage, Short Circuit |
| Charge Current - Max | 300mA |
| Battery Pack Voltage | 4.65V |
| Voltage - Supply (Max) | 5.5V |
| Interface | I²C |
| Operating Temperature | -40°C ~ 85°C |
| Package / Case | Surface Mount |
| Supplier Device Package | 25-XFBGA, DSBGA |
| Base Part Number | 25-DSBGA (2.5x2.5) |