VCTA25201B-R33MS6 datasheet(1/50 Pages) RICHTEK

部件名	VCTA25201B-R33MS6

功能描述	2.1MHz, 20A Multi-Phase Step-Down Converter with I2C Interface

PDF	50 Pages

Scroll/Zoom	100%

制造商	RICHTEK [Richtek Technology Corporation]

网页	http://www.richtek.com

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1 / 50 page

RTQ2134-QA

is a registered trademark of Richtek Technology Corporation.

DSQ2134-QA-02

May

2022

www.richtek.com

1

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

Interface

General Description

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.

Applications

⚫

Automotive Systems

Features

⚫

FMEA Compliant PinOut

⚫

AEC-Q100 Grade1 Qualified

⚫

2 + 2 / 2 + 1 + 1 Phase Output

⚫

I2C 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 Under-Voltage Lockout (UVLO)

⚫

Cycle by Cycle Current Limit

⚫

Output Under-Voltage Protection

⚫

Over-Temperature Protection

⚫

WET-WQFN-30L 4.5x5 (FC)

Simplified Application Circuit

L1

CIN

VIN

RTQ2134

EN

RTN1

AVIN

LX1

VOUT1

PVIN1

PVIN2

PVIN3

PVIN4

LX2

LX4

RTN2

VOUT2

VIO

AVIN_FILT

SCL

SDA

VOUT1

L4

COUT1

LX3

RTN3

VOUT3

I

2

C Signal

PGND

AGND

L2

VOUT2

L3

VOUT3

VSELA

WDOG_RST

Signal Input

INT

Signal Output

COUT2

COUT3

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