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CS5460A
Single Phase, Bi-directional Power/Energy IC
Features
? Energy Data Linearity: ±0.1% of Reading
over 1000:1 Dynamic Range.
? On-Chip Functions: (Real) Energy, I ? V,
I RMS and V RMS , Energy-to-Pulse
Conversion
? Smart “Auto-boot” Mode from Serial
EEPROM Enables Use without MCU.
? AC or DC System Calibration
? Mechanical Counter/Stepper Motor Driver
? Meets Accuracy Spec for IEC 687/1036, JIS
? Typical Power Consumption <12 mW
? Interface Optimized for Shunt Sensor
? V vs. I Phase Compensation
? Ground-Referenced Signals with Single
Supply
? On-chip 2.5 V Reference (MAX 60 ppm/°C
drift)
? Simple Three-wire Digital Serial Interface
? Watch Dog Timer
? Power Supply Monitor
? Power Supply Configurations
VA+ = +5 V; VA- = 0 V; VD+ = +3.3 V to +5 V
Description
The CS5460A is a highly integrated power mea-
surement solution which combines two ??
Analog-to-digital Converters (ADCs), high-speed
power calculation functions, and a serial interface
on a single chip. It is designed to accurately mea-
sure and calculate: Real (True) Energy,
Instantaneous Power, I RMS , and V RMS for single
phase 2- or 3-wire power metering applications.
The CS5460A interfaces to a low-cost shunt resis-
tor or transformer to measure current, and to a
resistive divider or potential transformer to mea-
sure voltage. The CS5460A features a
bi-directional serial interface for communication
with a microcontroller and a pulse output engine for
which the average pulse frequency is proportional
to the real power. The CS5460A has on-chip func-
tionality to facilitate AC or DC system-level
calibration.
The “Auto-boot” feature allows the CS5460A to
function ‘stand-alone’ and to initialize itself on sys-
tem power-up. In Auto-boot Mode, the CS5460A
reads the calibration data and start-up instructions
from an external EEPROM. In this mode, the
CS5460A can operate without a microcontroller, in
order to lower the total bill-of-materials cost.
VA+
RESET
VD+
4 Order
IIN+
IIN-
PGA
x10,x50
th
??
Modulator
Digital
Filter
High Pass
Filter
Power
Watch Dog
Timer
MODE
CS
Calculation
Engine
Control /
SDI
2 Order
VIN+
VIN-
VREFIN
x10
x1
nd
??
Modulator
Digital
Filter
(Energy
I*V
I RMS ,V RMS )
High Pass
Serial
Interface
Energy-to-
Pulse
Converter
SDO
SCLK
INT
EDIR
EOUT
Filter
VREFOUT
Voltage
Reference
Power
Monitor
System
Clock
/K
Clock
Generator
Calibration
SRAM
VA-
PFMON
XIN XOUT CPUCLK
DGND
Cirrus Logic, Inc.
http://www.cirrus.com
Copyright ? Cirrus Logic, Inc. 2011
(All Rights Reserved)
APR ‘11
DS487F5
1
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相关代理商/技术参数
CDB5460AU-Z 制造商:Cirrus Logic 功能描述:PB-FREEEVAL BOARD FOR CS5460 - Bulk
CDB5461 制造商:Cirrus Logic 功能描述:EVAL BD FOR CS5461 - Bulk
CDB5461A 功能描述:EVAL BOARD FOR CS5461 RoHS:否 类别:编程器，开发系统 >> 过时/停产零件编号 系列:- 标准包装:1 系列:- 类型:MCU 适用于相关产品:Freescale MC68HC908LJ/LK（80-QFP ZIF 插口） 所含物品:面板、缆线、软件、数据表和用户手册 其它名称:520-1035
CDB5461AU 功能描述:数据转换 IC 开发工具 Eval Bd Sngl-Phase Pow/Energy RoHS:否 制造商:Texas Instruments 产品:Demonstration Kits 类型:ADC 工具用于评估:ADS130E08 接口类型:SPI 工作电源电压:- 6 V to + 6 V
CDB5461AU-Z 制造商:Cirrus Logic 功能描述:PB-FREEEVAL BOARD FOR CS5461 WITH USB - Bulk
CDB5462 制造商:Cirrus Logic 功能描述:EVAL BOARD FOR CS5462 - Bulk
CDB5463U 功能描述:数据转换 IC 开发工具 Eval Bd Sngl-Phase Pow/Energy RoHS:否 制造商:Texas Instruments 产品:Demonstration Kits 类型:ADC 工具用于评估:ADS130E08 接口类型:SPI 工作电源电压:- 6 V to + 6 V
CDB5463U-Z 功能描述:EVAL BOARD USB FOR CS5463 RoHS:是 类别:编程器，开发系统 >> 评估板 - 模数转换器 (ADC) 系列:- 产品培训模块:Obsolescence Mitigation Program 标准包装:1 系列:- ADC 的数量:1 位数:12 采样率（每秒）:94.4k 数据接口:USB 输入范围:±VREF/2 在以下条件下的电源（标准）:- 工作温度:-40°C ~ 85°C 已用 IC / 零件:MAX11645 已供物品:板，软件