CS5461 Datasheet

IC型號(hào)：
CS5461
PDF描述：
SINGLE PHASE BI-DIRECTIONAL POWER/ENERGY IC
文件大小：
984.00KB
PDF頁數(shù)：
46頁
芯片廠家：
CIRRUS

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CS5461

Single Phase Bi-Directional Power/Energy IC

Features

Energy Data Linearity: 鹵0.1% of Reading

over 1000:1 Dynamic Range

On-Chip Functions: Energy, I

鈭?/div>

RMS

and V

RMS

, Energy-to-Pulse Conversion

AC/DC System Calibrations

Meets Accuracy Spec for IEC 687/1036, JIS

Power Consumption <12 mW

On-Chip Temperature Sensor

Voltage Sag Detect

Adjustable Input Range on Current Channel

Phase Compensation

GND-Referenced Signals with Single Supply

On-chip 2.5 V Reference (25 ppm/擄C typ)

Simple Three-Wire Digital Serial Interface

Power Supply Monitor

Interface Optimized for Shunt Sensor

Mechanical Counter/Stepper Motor Drive

Smart 鈥淎uto-Boot鈥?Mode from Serial

EEPROM with no microcontroller.

Power Supply Configurations

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

Description

The CS5461 is an integrated power measure-

ment device which combines two

鈭單?/div>

ADCs, high

speed power calculation functions, and a serial

interface on a single chip. It is designed to accu-

rately measure Instantaneous Current and

Voltage, and calculate: Instantaneous Power,

Average Power, I

RMS

, and V

RMS

, for sin-

gle-phase 2- or 3-wire power metering

applications. The CS5461 can interface to a

low-cost shunt resistor or transformer for current

measurement, and to a resistive divider or poten-

tial transformer for voltage measurement. The

CS5461 features a bi-directional serial interface

for communication with a micro-controller and a

programmable energy-to-pulse output function.

CS5461 has on-chip functionality to facilitate AC

or DC system-level calibration. Additional fea-

tures include on-chip temperature sensor,

voltage sag detection, and phase compensation.

ORDERING INFORMATION:

CS5461-IS

-40擄C to +85擄C

24-pin SSOP

VA+

RESET

High Pass

Filter

VD+

IIN+

IIN-

PGA

x10,x50

4th Order

鈭單?/div>

Modulator

Digital

Filter

MODE

Power

Calculation

Engine

SDI

Serial

Interface

SDO

SCLK

INT

VIN+

VIN-

x10

2nd Order

鈭單?/div>

Modulator

Digital

Filter

VREFIN

Temperature

Sensor

E-to-F

High Pass

Filter

System

Clock

Generator

Calibration

EOUT

EDIR

FOUT

VREFOUT

Voltage

Reference

Power

Monitor

VA-

PFMON

XIN

XOUT CPUCLK

DGND

Preliminary Product Information

http://www.cirrus.com

This document contains information for a new product.

Cirrus Logic reserves the right to modify this product without notice.

漏

Cirrus Logic, Inc. 2004

Jan 04

DS546PP2

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