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RT9480GQW
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Product Detailed Parameters
- Description：IC BATT CHG LI-ION 1CELL 24WQFN
- Series：EZPBS™
- Mfr：Richtek USA Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Battery Chemistry：Lithium Ion
- Voltage - Supply (Max)：5.5V
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：24-WFQFN Exposed Pad
- Supplier Device Package：24-WQFN (4x4)
- Number of Cells：1
- Current - Charging：-
- Programmable Features：-
- Fault Protection：Over Current, Over Temperature, Over Voltage, Short Circuit
- Charge Current - Max：1.2A
- Battery Pack Voltage：4.2V
- Interface：USB
- Grade：-
- Qualification：-
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Overview
The RT9480GQW is a single-cell lithium-ion battery charger IC from Richtek, designed for USB-powered applications. It operates with a maximum input voltage of 5.5V and supports a maximum charging current of 1.2A. The device features an integrated power path management system to optimize system power distribution. It utilizes a 24-WQFN (4x4mm) package with exposed pad for efficient thermal performance. The component includes comprehensive fault protection mechanisms such as overvoltage, overcurrent, and thermal shutdown to ensure safe operation during charging cycles.
Feature Summary
- Integrates power path management for optimized system power distribution
- Supports USB interface connectivity for direct charging
- Includes multiple fault protection modes including thermal and overvoltage
Applications
- Portable electronic devices powered by USB sources
- Single-cell lithium-ion battery charging systems
- Consumer electronics requiring compact power management solutions
Procurement Notes
Verify the specific suffix (e.g., AA03) against the required datasheet revision and pin configuration. Confirm moisture sensitivity level handling requirements during assembly. Ensure the supplier provides valid RoHS compliance documentation. Check for availability of official datasheets and design support materials before finalizing procurement decisions.
Selection Notes
Select this component when designing USB-powered single-cell lithium-ion charging applications. Consider the 1.2A maximum current limit and 5.5V input range suitability for standard USB ports. Evaluate the 24-WQFN package size constraints against PCB layout requirements. Verify thermal dissipation capabilities within the operating temperature range of -40°C to 85°C.
Part Context
This part belongs to Richtek's EZPBS series of battery chargers. It is designed for portable applications requiring efficient charging from USB sources. The device integrates necessary protection features for standalone operation. It serves as a power management solution for single-cell lithium-ion batteries in compact form factors.
Replacement Considerations
RT9480GQW-AA03 is a documented variant with specific suffix designation. Verify pin compatibility and electrical specifications before substitution. Consult official replacement lists for confirmed equivalents.
