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VSC7427XJG-02 VSC7425XJG-02 88E6190-A0-TLA2C000

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Richtek Power Management IC RT6543AGQW High Efficiency Single Synchronous Buck PWM Controller

Richtek Power Management IC RT6543AGQW High Efficiency Single Synchronous Buck PWM Controller

Source:our siteTime:2024-02-23Views:

Mingjiada Corporation Long Term Sale Richtek Power Management IC RT6543AGQW High Efficiency Single Synchronous Buck PWM Controller for INTEL VCCIN AUX ICL and TGLRT6543AGQW Device OverviewThe RT6543A/B PWM controllers offer high efficiency, excellent …

Mingjiada Corporation Long Term Sale Richtek Power Management IC RT6543AGQW High Efficiency Single Synchronous Buck PWM Controller for INTEL VCCIN AUX ICL and TGL


RT6543AGQW Device Overview

The RT6543A/B PWM controllers offer high efficiency, excellent transient response, and high DC output accuracy to step down high-voltage batteries to produce low-voltage CPU cores, I/O, and chipset RAM. The RT6543A/B supports on-chip voltage programming from 0V to 1.8V by controlling the VID1/VID0 inputs.


Compared to conventional current-mode PWM, the RT6543A/B achieves high efficiency without any current-sense resistor. In addition, the RT6543A/B can drive synchronous rectifier MOSFETs and enter diode emulation mode under light load conditions, resulting in significant power savings. In addition, the RT6543A/B features UVLO, OVP, UVP, OTP and current limit protection. All these features are integrated in the WQFN-20L-3x3 package.


Features

 High-efficiency step-down DC-DC controller

 Built-in 1% reference voltage

 Built-in 2-bit programmable output voltage

 Adjustable switching frequency

 Input voltage range: 3V to 24V

 Internal soft-start for inrush current reduction

 Capability to drive large synchronous rectifiers MOSFETs

 Power good indicator

 Cycle-by-cycle current limiting

 Overvoltage/undervoltage protection

 Thermal shutdown

 RT6543A: Falling Mode on VID Change

 RT6543B: Falling mode on VID change


Applications

 Notebook computers

 CPU/GPU core supply

 Chipset/Memory Power Supply

 General Purpose DC-DC Power Regulators


Interested parties are welcome to contact Mr Chen by phone:

Tel: +86 13410018555

Email: sales@hkmjd.com

Website: www.hkmjd.com

RT6543AGQW.jpg

Supply Transistor Serie Products: BJT,IGBTs, RF FETs,JFETs,SiCs,MOSFETs,Programmable Unijunction Return to
column [Supply, Recycle] DRV8243SQRXYRQ1 (TI) Automotive Half-Bridge Driver, VQFN-14

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