CS5461A Datasheet

IC型号：
CS5461A
PDF描述：
SINGLE PHASE BI-DIRECTIONAL POWER/ENERGY IC
文件大小：
1128.00KB
PDF页数：
42页
芯片厂家：
CIRRUS

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CS5461A

Single Phase, Bi-directional Power/Energy IC

Features

鈥?Energy Data Linearity: 卤0.1% of Reading over

1000:1 Dynamic Range

Description

The CS5461A is an integrated power measure-

ment device which combines two

鈭單?/div>

analog-to-digital converters, power calculation

鈥?On-chip Functions:

engine, energy-to-frequency converter, and a

Instantaneous Voltage, Current, and Power

serial interface on a single chip. It is designed to

RMS

and V

RMS

, Apparent and Active (Real) Power

accurately measure instantaneous current and

Energy-to-pulse Conversion for Mechanical

voltage, and calculate V

RMS

, I

RMS

, instanta-

Counter/Stepper Motor Drive

neous power, apparent power, and active power

System Calibrations and Phase Compensation

for single-phase, 2- or 3-wire power metering

Temperature Sensor

applications.

Voltage Sag Detect

鈥?Meets Accuracy Spec for IEC, ANSI, & JIS.

鈥?Low Power Consumption

鈥?Current Input Optimized for Sense Resistor.

鈥?GND-referenced Signals with Single Supply

鈥?On-chip 2.5 V Reference (25 ppm/掳C typ)

鈥?Power Supply Monitor

鈥?Simple Three-wire Digital Serial Interface

鈥?鈥淎uto-boot鈥?Mode from Serial E

PROM.

鈥?Power Supply Configurations:

VA+ = +5 V; AGND = 0 V; VD+ = +3.3 V to +5 V

VA+

RESET

The CS5461A is optimized to interface to shunt

resistors or current transformers for current mea-

surement, and to resistive dividers or potential

transformers for voltage measurement.

The CS5461A features a bi-directional serial in-

terface for communication with a processor, and

a programmable energy-to-pulse output func-

tion. Additional features include on-chip

functionality to facilitate system-level calibration,

temperature sensor, voltage sag detection, and

phase compensation.

ORDERING INFORMATION:

See

Page 41.

VD+

IIN+

IIN-

PGA

4th Order

鈭單?/div>

Modulator

Digital

Filter

HPF

Option

MODE

Power

Calculation

Engine

SDI

Serial

Interface

SDO

SCLK

INT

VREFIN

Temperature

Sensor

VIN+

VIN-

x10

2nd Order

鈭單?/div>

Modulator

Digital

Filter

HPF

Option

E-to-F

VREFOUT

Voltage

Reference

Power

Monitor

System

Clock

Generator

Calibration

AGND

PFMON

XIN

XOUT CPUCLK

DGND

http://www.cirrus.com

漏

Cirrus Logic, Inc. 2005

AUG 鈥?5

DS661F1

型号

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描述

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