Datasheet > NU1028

NU1028

更新时间： 2024-11-16 17:01:39

品牌	Logo	应用领域
伏达半导体 - NUVOLTA		/
页数	文件大小	规格书
2页	183K
描述
NU1028 is a family of highly integrated full-bridge power stage IC optimized for wireless power tr

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NU1028 数据手册

NU1028

www.nuvoltatech.com

IntegratedPower Stage for High-IntegrationandHigh-Efficiency High-Power

Wireless Power Transmitter

integrates all critical functions, such as high-

efficiency power FETs, low-EMI FET drivers,

bootstrap circuit, 5V integrated DC/DC power

supply, 3.3V (2.5V configurable) LDO and

1 Features

•

Wide Input Voltage: 4V to 28V

Integrated High-Efficiency Full- Bridge

FETs

lossless

current

measurement.

The

•

Integrated FET Driver Optimized for Low

EMI

proprietary current-measurement circuit

provides the accurate current reading used for

the FOD (Foreign Object Detection) power

measurement, in-band communication, Q

factor detection, and digital demodulation.

•

Integrated 5V DC/DC for IC power supply

Integrated 3.3V (2.5V configurable) LDO

to Bias External Circuit and Provide

Reference Voltage

The IC also includes protection functions such

as input under-voltage lockout, over-voltage

protection, over current protection, and

thermal shutdown. These provisions further

enhance the reliability of the total system

solution.

•

High-Accuracy, Lossless Current

Measurement for FOD and In-Band

Communication

•

Integrated Lossless Q Factor Detection

Integrated Low-Error-Rate Digital

Demodulation

•

Input UVLO and OVP

Over-Current Protection

Thermal Shutdown

I2C Interface

4mm4mm QFN Package

I2C interface is used for communication with

the controller and can easily be extended to

multi-coil solutions. The device is housed in a

thermally enhanced 4mm×4mm QFN package.

Transmitter

NU1513

2 Applications

•

Wireless Power Transmitter Compliant

with WPC V1.2.4 Extended Power Profile

(EPP)

Wireless Power Transmitter for

Consumer, Industrial, Automotive

Aftermarket, and Medical Applications

Motor Drivers

VREF

Adaptor

VDD

Envelope

Detection

DMIO

AC/DC

Converter

USB

Buck_Boost IC

VIN

BST1

SW1

SW2

BST2

PGND

NU1028

3 Descriptions

NU1028 is a family of highly integrated full-

bridge power stage IC optimized for wireless

power transmitter solutions. The device

Simplified Application Diagram

This document contains confidential and proprietary information of NuVolta. Any information in this document is

prohibited from being used, reproduced or disseminated to any third party in any form and/or through any means

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