RT8805GQV

$0.44

Description：IC REG CTRLR BUCK 16VQFN
Series：-
Mfr：Richtek USA Inc.
Package：Tape & Reel (TR)

SKU:fe0ea00d4946 Category: DC DC Switching Controllers Brand: Richtek USA Inc.

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Product introduction

Product Detailed Parameters

Description：IC REG CTRLR BUCK 16VQFN
Series：-
Mfr：Richtek USA Inc.
Package：Tape & Reel (TR)
Output Type：Transistor Driver
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Number of Outputs：2
Output Phases：2
Voltage - Supply (Vcc/Vdd)：10.8V ~ 13.2V
Frequency - Switching：300kHz
Duty Cycle (Max)：75%
Synchronous Rectifier：Yes
Clock Sync：No
Serial Interfaces：-
Control Features：Current Limit, Phase Control, Power Good, Soft Start
Operating Temperature：-40°C ~ 85°C (TA)
Mounting Type：Surface Mount
Package / Case：16-VQFN Exposed Pad
Supplier Device Package：16-VQFN (4x4)
Grade：-
Qualification：-

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RT8805GQV

Overview

The RT8805GQV is a dual-phase synchronous buck PWM controller designed for high power density applications. It features embedded bootstrapped drivers supporting 12V + 12V driving capability, enabling output currents up to 60A. The device operates with a 12V supply voltage and includes precise core voltage regulation. Key electrical parameters include an adjustable switching frequency typically set at 300kHz per phase and operation within a standard industrial temperature range. It utilizes low-side MOSFET RDS(ON) current sensing for power stage current balance.

Feature Summary

Dual-phase power conversion architecture
Embedded 12V bootstrapped driver support
Low-side MOSFET RDS(ON) current sensing
Adjustable soft-start and over-current protection

Applications

Middle-high end GPU core power
High-end desktop PC memory core power
Low output voltage, high power density DC-DC converters
Voltage regulator modules

Procurement Notes

Verify the specific suffix GQV against the manufacturer datasheet to confirm package type and pinout compatibility. Ensure the design supports the required 12V supply voltage for the embedded drivers. Confirm thermal management requirements for high-current applications exceeding 60A if operating near limits. Check for RoHS compliance documentation as indicated in official specifications.

Selection Notes

Select this component when high power density and compact size are critical for CPU or GPU power stages. The integrated 12V drivers simplify external gate drive circuitry compared to controllers requiring higher bootstrap voltages. Consider the 300kHz typical frequency for balancing efficiency and passive component size. Evaluate the need for external compensation and adjustable soft-start features for system stability.

Part Context

The RT8805 series belongs to Richtek's portfolio of general-purpose PWM controllers optimized for demanding computing loads. Variants such as RT8805C and RT8805CGQVA share similar functional descriptions but may differ in package or qualification levels. This controller addresses the trend toward smaller form factors in desktop and server environments while maintaining high current delivery capabilities.