RT9519BGQW
IC BATT CHG LI-ION 1CELL 20WQFN

Pmic Battery Chargers
20-WFQFN Exposed Pad
Active
$3.45 / unit (market reference)
MOQ: 1 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
Parameters
| Parameter | Value |
|---|---|
| Brand | Richtek USA Inc. |
| Model | RT9519BGQW |
| Package / Case | 20-WFQFN Exposed Pad |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Supplier Device Package | 20-WQFN (3x3) |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
RT9519BGQW by Richtek USA Inc. 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 20-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
| Number of Cells | 1 |
| Fault Protection | Over Voltage |
| Battery Chemistry | Lithium Ion |
| Current - Charging | Constant - Programmable |
| Battery Pack Voltage | 4.2V |
| Charge Current - Max | 1.2A |
| Programmable Features | Timer |
| Voltage - Supply (Max) | 6V |
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