What are the primary applications for this device?

It is primarily used in car chargers, portable charging applications, and general DC/DC converters that require current limiting.

What should engineers review before using the EUP3271WIR1?

Engineers should review the thermal design (SOP-8 EP package), the switching frequency selection (80kHz-800kHz), and the cable compensation programming via the FB pin.

What are the key specifications of the EUP3271WIR1?

Key specs include a 4.5V-36V input range, 4A output current, +/- 1.5% voltage reference accuracy, and +/- 4% constant current accuracy.

What is the pinout of EUP3271WIR1?

Use the EUP3271WIR1 datasheet for the official pinout diagram and pin names. In PartGenie, ask Datasheet AI about EUP3271WIR1 pinout to locate pins, power rails, and interface signals before layout.

EUP3271WIR1 Datasheet, Specs, Alternatives & ECAD | Eutech Microelectronics Inc.

AI summary

The EUP3271WIR1 is a versatile synchronous step-down converter designed for CC/CV applications like car chargers, supporting up to 4A output and a wide 4.5V-36V input range.

Best for

Car chargers
USB charging ports
Current-limited power supplies

Avoid if

Applications requiring extremely low quiescent current or very small form factors without thermal dissipation capability.

Check before use

Thermal dissipation requirements for 4A operation
Inductor selection for chosen switching frequency

Key specifications

Input Voltage: 4.5V - 36V
Output Current: 4A
Switching Frequency: 80kHz - 800kHz
Package: SOP-8 (EP)

Compliance & Environment

RoHS: Compliant
REACH: -
MSL: -
ECCN: -
HTSUS: -

Application

Automotive PowerConsumer Charging

Datasheet

f142dbeca455d015bc0686e69f17596a_EUTECH(德信)&EUP3271WIR1.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for EUP3271WIR1: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

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PCB Footprint

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3D Model

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Where to Buy

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Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

It is a synchronous step-down DC-DC converter capable of providing up to 4A of continuous output current, featuring both Constant Current (CC) and Constant Voltage (CV) modes.

AI summary

Best for

Avoid if

Check before use

Key specifications

Compliance & Environment

Application

Datasheet

CAD Models

Where to Buy

Alternative components

Design and risk insights

Questions & answers

What is the EUP3271WIR1?+×

What are the primary applications for this device?+×

What should engineers review before using the EUP3271WIR1?+×

What are the key specifications of the EUP3271WIR1?+×

What is the pinout of EUP3271WIR1?+×