RT9458WSC
IC BATT CHG LI-ION 1CELL 20WLCSP
Pmic Battery Chargers
20-UFBGA, WLCSP
Active
$2.92 / 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 | RT9458WSC |
| Package / Case | 20-UFBGA, WLCSP |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Supplier Device Package | 20-WLCSP (1.87x2.1) |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
RT9458WSC 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-UFBGA, WLCSP 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, Over Voltage |
| Battery Chemistry | Lithium Ion/Polymer |
| Current - Charging | Constant |
| Battery Pack Voltage | 4.44V (Max) |
| Charge Current - Max | 1.55A |
| Voltage - Supply (Max) | 6V |
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