LP3921SQ/NOPB
IC BATT CHG LI-ION 1CELL 32WQFN
Pmic Battery Chargers
32-WFQFN Exposed Pad
Boomer®
Not For New Designs
$1.90 / unit (market reference)
MOQ: 158 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
Parameters
| Parameter | Value |
|---|---|
| Brand | Texas Instruments |
| Model | LP3921SQ/NOPB |
| Package / Case | 32-WFQFN Exposed Pad |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Supplier Device Package | 32-WQFN (5x5) |
| RoHS | RoHS |
| Part Status | Not For New Designs |
Application & Notes
LP3921SQ/NOPB by Texas Instruments is a power conversion IC commonly used in power supply designs, battery-powered devices, and DC-DC conversion modules. Input voltage up to N/A, output adjustable. The 32-WFQFN Exposed Pad package with surface mount mounting is standard for compact designs. Pay attention to input/output capacitor selection and PCB layout — switching regulators are sensitive to trace inductance.
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All Technical Specifications
| Interface | I²C |
| Number of Cells | 1 |
| Fault Protection | Over Temperature, Reverse Current |
| Battery Chemistry | Lithium Ion |
| Current - Charging | Constant - Programmable |
| Battery Pack Voltage | 4.2V |
| Charge Current - Max | 950mA |
| Voltage - Supply (Max) | 5.5V |
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