Datasheet > RTQ2134-QA

RTQ2134-QA

更新时间： 2025-07-26 17:00:59

品牌	Logo	应用领域
立锜 - RICHTEK		多相元件
页数	文件大小	规格书
51页	1531K
描述
2.1MHz, 20A Multi-Phase Step-Down Converter with I2C Interface

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RTQ2134-QA 数据手册

RTQ2134-QA

2.1MHz, 20A Multi-Phase Step-Down Converter with I²C

Interface

General Description

Features

⚫ FMEA Compliant PinOut

⚫ AEC-Q100 Grade1 Qualified

⚫ 2 + 2/2 + 1 + 1 Phase Output

The RTQ2134 is a multi-phase, programmable power

management IC that integrates with four high efficient,

synchronous step-down converter cores. The

RTQ2134 can be 2 + 2 and 2 + 1 + 1 output by OTP. It

also features wide output voltage range and the

capability to configure the corresponding power stages,

which make the device optimized to meet power

management requirements for low-power processors,

such as core power for CPUs and GPUs. The

RTQ2134 supports many programmable functions

including voltage level, slew rate of voltage change,

and slew rate of soft-start via an I2C interface capable

of operating up to 3.4MHz. The RTQ2134 also

supports remote-sense function to get accurate output

voltage at large loading. Moreover, the device has

interrupt and fault-detection function to report error

status. The RTQ2134 is available in a WET-WQFN-30L

4.5x5 (FC) package.

⚫ I C Programmable Output Voltage: 0.3V to 1.85V

⚫ Maximum Output Current: Total 20A, 5.5A per

Phase

⚫ Output Remote Sense

⚫ Fast Transient Response

⚫ Input Supply Voltage Range: 3V to 6V

⚫ Selectable Automatic Phase Shielding and

Power Saving Mode Enables Higher Light Load

Efficiency

⚫ Dynamic

Voltage

Scaling

(DVS)

with

Programmable Slew Rate for Each Output

⚫ Programmable Soft-Start Function

⚫ Interrupt Function and Fault Detection

⚫ Watchdog Function

⚫ Input Undervoltage Lockout (UVLO)

⚫ Cycle by Cycle Current Limit

Applications

⚫ Automotive Systems

⚫ Output Undervoltage Protection

⚫ Over-Temperature Protection

⚫ WET-WQFN-30L 4.5x5 (FC)

⚫ Junction Temperature Range: −40C to 150C

Simplified Application Circuit

AVIN

VOUT1

PVIN1

PVIN2

PVIN3

PVIN4

LX1

LX4

OUT1

OUT2

OUT3

RTN1

VOUT2

LX2

RTQ2134

OUT2

SCL

I C Signal

SDA

VSELA

RTN2

Signal Input

VOUT3

LX3

WDOG_RST

INT

OUT3

Signal Output

RTN3

VIO

PGND

AGND

AVIN_FILT

is a registered trademark of Richtek Technology Corporation.

DSQ2134-QA-03

September 2023

www.richtek.com

12 3 4 5 6 7...51

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