Datasheet > CS5467_07

CS5467_07

更新时间： 2024-11-14 06:49:27

品牌	Logo	应用领域
凌云 - CIRRUS		/
页数	文件大小	规格书
46页	712K
描述
Four-channel Power / Energy IC

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CS5467_07 数据手册

CS5467

Four-channel Power / Energy IC

Features & Description

Description

• Energy Linearity: ±0.1% of Reading over 1000:1

The CS5467 is a watt-hour meter on a chip. It

measures line voltage and current and calcu-

lates active, reactive, apparent power, energy,

power factor, and RMS voltage and current.

Dynamic Range

• On-chip Functions:

- Voltage and Current Measurement

- Active, Reactive, and Apparent Power/Energy

- RMS Voltage and Current Calculations

- Current Fault and Voltage Sag Detection

- Calibration

An internal RMS voltage reference can be used

if voltage measurement is disabled by

tampering.

- Phase Compensation

Four ∆Σ analog-to-digital converters are used to

measure two voltages and two currents. Option-

ally, voltage2 channel can be used for

temperature measurement.

- Temperature Sensor

- Energy Pulse Outputs

• Meets Accuracy Spec for IEC, ANSI, & JIS

• Low Power Consumption

• Voltage Tamper Correction

The CS5467 is designed to interface to a variety

of voltage and current sensors.

• Ground-referenced Inputs with Single Supply

• On-chip 2.5 V Reference (25 ppm / °C typ.)

• Power Supply Monitor Function

Additional features include system-level calibra-

tion, voltage sag and current fault detection,

peak detection, phase compensation, and ener-

gy pulse outputs.

• Three-wire Serial Interface to Microcontroller or

E²PROM

• Power Supply Configurations

GND: 0 V, VA+: +5 V, VD+: +3.3 V to +5 V

ORDERING INFORMATION

See Page 45.

VA+

RESET

VD+

IIN1+

IIN1-

4th Order ∆Σ

Digital

Filter

HPF

Option

PGA

x10

Modulator

MODE

SDI

VIN1+

VIIN1-

2nd Order ∆Σ

Modulator

SDO

SCLK

INT

Digital

Filter

HPF

Option

Serial

Interface

Power

Calculation

Engine

IIN2+

IIN2-

4th Order ∆Σ

Modulator

Digital

Filter

HPF

Option

E-to-F

PGA

VIN2+

VIN2-

2nd Order ∆Σ

Modulator

Digital

Filter

HPF

Option

Calibration

x10

VREFIN

Temperature

Sensor

System

Clock

Generator

Power

Monitor

Voltage

VREFOUT

Reference

PFMON

XIN XOUT CPUCLK

DGND

AGND

MAR ‘07

DS714F1

http://www.cirrus.com

12 3 4 5 6 7...46

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