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| Part Number | LP3921SQX/NOPB | LP3921SQ/NOPB | LP3921SQE/NOPB |
|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Status | Not For New Designs | Not For New Designs | Active |
| Battery Chemistry | Lithium Ion | Lithium Ion | Lithium Ion |
| Number of Cells | 1 | 1 | 1 |
| Current - Charging | Constant - Programmable | Constant - Programmable | Constant - Programmable |
| Programmable Features | - | - | - |
| Fault Protection | Over Temperature, Reverse Current | Over Temperature, Reverse Current | Over Temperature, Reverse Current |
| Charge Current - Max | 950mA | 950mA | 950mA |
| Battery Pack Voltage | 4.2V | 4.2V | 4.2V |
| Voltage - Supply (Max) | 5.5V | 5.5V | 5.5V |
| Interface | I²C | I²C | I²C |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 32-WFQFN Exposed Pad | 32-WFQFN Exposed Pad | 32-WFQFN Exposed Pad |
| Supplier Device Package | 32-WQFN (5x5) | 32-WQFN (5x5) | 32-WQFN (5x5) |
