LP3921SQ/NOPB
IC BATT CHG LI-ION 1CELL 32WQFNManufacturer: Texas Instruments
Categories: Battery Chargers
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Texas Instruments Boomer® series LP3921SQ-NOPB is a single-cell lithium-ion battery charger IC. This component features constant current and constant voltage charging with a maximum charge current of 950mA. The device offers programmable charge current control and integrates fault protection for over-temperature and reverse current conditions. Communication and configuration are handled via an I2C interface. Designed for surface mount applications, it comes in a 32-WFQFN exposed pad package. The LP3921SQ-NOPB operates within a temperature range of -40°C to 85°C and supports a supply voltage up to 5.5V, with a battery pack voltage of 4.2V. This IC is utilized in portable electronics and power management applications.
Additional Information
Series: Boomer®RoHS Status: ROHS3 CompliantManufacturer Lead Time: 12 week(s)Product Status: Not For New DesignsPackaging: Tape & Reel (TR)Datasheet:Download Free CAD Model:
Technical Details:
| Packaging | Tape & Reel (TR) |
| Package / Case | 32-WFQFN Exposed Pad |
| Number of Cells | 1 |
| Mounting Type | Surface Mount |
| Interface | I2C |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Battery Chemistry | Lithium Ion |
| Supplier Device Package | 32-WQFN (5x5) |
| Charge Current - Max | 950mA |
| Programmable Features | - |
| Fault Protection | Over Temperature, Reverse Current |
| Voltage - Supply (Max) | 5.5V |
| Battery Pack Voltage | 4.2V |
| Current - Charging | Constant - Programmable |
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