Features
Energy Data Linearity: ±0.1% of Reading
over 1000:1 DynamIC Range.
On-Chip Functions: (Real) Energy, I ? V,
IRMS and VRMS, 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 measurement solution which combines two ?Σ
Analog-to-Digital Converters (ADCs), high speed
power calculation functions, and a serial interface
on a single chip. It is designed to accurately measure and calculate: Real (True) Energy,
Instantaneous Power, IRMS, and VRMS
for single
phase 2- or 3-wire power metering applications.
The CS5460A interfaces to a low-cost shunt resistor or transformer to measure current, and to a
resistive divider or potential transformer to measure voltage. The CS5460A features a
bi-directional serial interface for communication
with a micro-controller and a pulse output engine
for which the average pulse frequency is proportional to the real power. The CS5460A has on-chip
functionality to facilitate AC or DC system-level
calibration.
The “Auto-Boot” feature allows the CS5460A to
function ‘stand-alone’ and to initialize itself on system 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.
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深圳斯普仑科技有限公司
Shenzhen Spring Technology Co.,Ltd
地址：深圳市福田区振华路122号海外装饰大厦A座211室
Shenzhen futian district zhenhua road 122 overseas decoration building, room 211, BLOCK A, 518031
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