Datasheet > IR3725_11

IR3725_11

更新时间： 2024-11-11 12:46:27

品牌	Logo	应用领域
英飞凌 - INFINEON		监视器输入元件
页数	文件大小	规格书
19页	435K
描述
INPUT POWER MONITOR WITH DIGITAL INTERFACE

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IR3725_11 数据手册

IR3725

Data Sheet

INPUT POWER MONITOR

WITH DIGITAL INTERFACE

FEATURES

DESCRIPTION

 Accurate power, current, or voltage reporting

. 1.5 % maximum power error

. 1.0 % maximum current error

 Serial digital interface

The IR3725 is a highly configurable power monitor IC

that uses proprietary digital technology to measure a

12V rail current, its voltage, or its average power over a

user specified time interval. Configuration and result

reporting are managed through a serial digital interface.

The current is measured as a voltage across a shunt

resistance, an input inductor, or a copper trace

resistance.

. SMBus and I²C compatible

 Programmable averaging interval

 Flexible current sensing

. Resistive or Inductor DCR

 Applications

. Synchronous rectified buck converters

. Multiphase converters

 12pin 3x4 DFN lead free

 RoHS Compliant

The real time voltage and current signals are multiplied,

digitized, and averaged over a user selectable

averaging interval providing TruePower™ measurement

of highly dynamic loads.

TYPICAL APPLICATION CIRCUIT

Input

Capacitors

3.3V

+12V

Buck Regulators

DCR

C_CS1

C_CS2

To system

Controller

VDD

IR3725

I²C

ALERT#

VCS2

VCS1

ADDR

R_T

0.1 uF

GND

+12V Return

ORDERING INFORMATION

Device

Package

Order Quantity

IR3725MTRPBF

IR3725MPBF

12 lead DFN (4x3 mm body)

3000 piece reel

Sample Quantity

Page 1 of 19

www.irf.com

2011_11_16

12 3 4 5 6 7...19

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