RT9917GQW

Description：IC POWER MANAGEMENT
Series：-
Mfr：Richtek USA Inc.
Package：Bulk

SKU:f3d5b037b194 Category: DC DC Switching Controllers Brand: Richtek USA Inc.

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Product introduction

Product Detailed Parameters

Description：IC POWER MANAGEMENT
Series：-
Mfr：Richtek USA Inc.
Package：Bulk
Output Type：PWM
Function：Step-Up, Step-Down
Output Configuration：Positive
Topology：Buck, Boost
Number of Outputs：7
Output Phases：-
Voltage - Supply (Vcc/Vdd)：2.7V ~ 5.5V
Frequency - Switching：1MHz
Duty Cycle (Max)：100%
Synchronous Rectifier：Yes
Clock Sync：No
Serial Interfaces：-
Control Features：Enable, Soft Start
Operating Temperature：-40°C ~ 85°C (TA)
Mounting Type：Surface Mount
Package / Case：40-WFQFN Exposed Pad
Supplier Device Package：40-WQFN (5x5)
Grade：-
Qualification：-

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RT9917GQW

Overview

The RT9917GQW is a seven-channel DC-DC converter designed for lithium-ion battery applications. It integrates multiple step-down and step-up regulators to provide a complete power supply solution for digital still cameras and handheld devices. The device supports input voltages from 2.7V to 5.5V, enabling efficient power management across various operating conditions while minimizing the required printed circuit board area.

Feature Summary

Integrates seven independent DC-DC channels within a single package
Provides comprehensive power management for portable electronics
Supports both step-down and step-up conversion topologies

Applications

Digital still cameras
Handheld devices
Lithium-ion battery powered equipment

Procurement Notes

Verify the specific suffix GQW against the manufacturer datasheet to confirm the exact package type and temperature rating. Ensure compatibility with the intended PCB footprint and thermal requirements before finalizing procurement orders.

Selection Notes

Select this component when a multi-rail power architecture is required in a compact form factor. It is suitable for designs needing simultaneous generation of multiple voltage levels from a single lithium-ion source without utilizing discrete solutions for each rail.

Part Context

This part belongs to Richtek's portfolio of integrated power management ICs tailored for consumer electronics. It addresses the industry demand for reduced component count and smaller board space in portable devices by consolidating multiple regulator functions into one chip.

Replacement Considerations

Consult official cross-reference lists for verified substitutes. Generic replacements may lack the specific seven-channel integration or pinout compatibility required for existing designs.

How to buy

Online and offline orders are supported. If the item is available for online purchase, you can place it in the cart; for wholesale pricing, please contact our product manager for a quote.

Payment Method

Payment methods: T/T, WeChat Pay, credit cards, Google Pay, Apple Pay . Buyer covers shipping, fees, duties, and taxes; contact our product manager if you need a contract/procurement process.

Delivery time

In-stock items usually ship within 24 hours. Otherwise, shipment is arranged 1 to 2 days after the items arrive at our warehouse. Timing depends on destination and shipping method.

Freight calculation

Freight cost depends on destination, package size, and weight . We offer shipping options via DHL, FedEx, UPS, and TNT , and can ship using your freight account upon request.

Mode of Transportation

We ship via DHL, FedEx, UPS, and TNT. If you prefer a specific logistics provider, we can ship using your designated carrier.

Return and Refund

Returns are accepted within 60 days of invoice with RMA approval. Items must be resalable; original invoice and test report are required. No returns for customer errors.