| Series | BQ2057 |
| Package | Bulk |
| Part Status | Obsolete |
| Battery Chemistry | Lithium Ion/Polymer |
| Number of Cells | 1 ~ 2 |
| Current - Charging | Constant - Programmable |
| Programmable Features | Current |
| Fault Protection | Over Current, Over Temperature |
| Charge Current - Max | 4mA |
| Battery Pack Voltage | 4.1V |
| Voltage - Supply (Max) | 15V |
| Interface | - |
| Operating Temperature | -20°C ~ 70°C |
| Mounting Type | Surface Mount |
| Package / Case | - |
| Supplier Device Package | - |
