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RT8880BGQW
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Product Detailed Parameters
- Description：IC PWM CTLR DUAL 52WQFN
- Series：-
- Mfr：Richtek USA Inc.
- Package：Tape & Reel (TR)
- Output Type：PWM
- Function：-
- Output Configuration：-
- Topology：-
- Number of Outputs：2
- Output Phases：3
- Voltage - Supply (Vcc/Vdd)：4.5V ~ 5.5V
- Frequency - Switching：300kHz
- Duty Cycle (Max)：-
- Synchronous Rectifier：No
- Clock Sync：No
- Serial Interfaces：-
- Control Features：-
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：52-QFN
- Supplier Device Package：52-QFN (6x6)
- Grade：-
- Qualification：-
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Overview
The RT8880BGQW is a dual-phase PWM controller IC manufactured by Richtek USA Inc., designed for CPU core power supply applications. It operates with an input voltage range of 4.5V to 5.5V and provides two independent output channels. The device supports a switching frequency of 300 kHz and delivers an output voltage range from 500 mV to 3.6 V, with a maximum output current capability of 5 mA per phase. It functions within a temperature range of -40°C to +85°C (TA) and is housed in a compact 52-WQFN package with dimensions of 6x6 mm.
Feature Summary
- Dual-phase architecture for efficient CPU core power management
- Integrated PWM control with VID reference compatibility
- Compact 52-pin WQFN exposed pad package design
Applications
- CPU core voltage regulation
- Multi-phase DC-DC converter systems
- Industrial power supply controllers
Procurement Notes
Verify the specific suffix 'GQW' against the official Richtek datasheet to confirm pinout and thermal pad configuration. Ensure the ordering quantity aligns with the manufacturer's standard reel size requirements. Confirm RoHS compliance status through the latest environmental documentation provided by Richtek USA Inc. prior to final procurement authorization.
Selection Notes
Select this component when a dual-phase solution is required for low-voltage, high-current CPU loads. The 300 kHz switching frequency offers a balance between efficiency and component size. Verify that the system input voltage remains within the 4.5V to 5.5V window. Ensure the PCB layout supports the 52-WQFN package thermal dissipation requirements for reliable operation at maximum load conditions.
Part Context
This part belongs to the Richtek RT8880 series of multi-phase PWM controllers. It is specifically engineered for powering modern processors requiring precise voltage regulation. The device integrates essential control loops for stable operation. It serves as a key component in advanced power delivery networks for computing and industrial electronics.
Replacement Considerations
Check for direct substitutes within the RT8880 family or compatible dual-phase controllers from Richtek. Ensure pin-to-pin compatibility and identical electrical specifications before substitution. Consult the manufacturer's cross-reference guide for verified alternatives.
