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CS5464
1. OVERVIEW
The CS5464 is a CMOS power measurement integrated circuit utilizing four ?? analog-to-digital convert-
ers to measure line voltage, temperature, and current from up to two sources. It calculates active, reactive,
and apparent power as well as RMS and peak voltage and current. It handles other system-related func-
tions, such as pulse output conversion, voltage sag, current fault, voltage zero crossing, line frequency,
and tamper detection.
The CS5464 is optimized to interface to current transformers or shunt resistors for current measurement,
and to a resistive divider or voltage transformer for voltage measurement. Two full-scale ranges are pro-
vided on the current inputs to accommodate both types of current sensors. The second current channel
can be used for tamper detection or as a second current input. The CS5464’s three differential inputs have
a common-mode input range from analog ground (AGND) to the positive analog supply (VA+).
An additional analog input (PFMON) is provided to allow the application to determine when a power failure
is in progress. By monitoring the unregulated power supply, the application can take any required action
when a power loss occurs.
An on-chip voltage reference (nominally 2.5 volts) is generated and provided at analog output, VREFOUT.
This reference can be supplied to the chip by connecting it to the reference voltage input, VREFIN. Alter-
natively, an external voltage reference can be supplied to the reference input.
Three digital outputs (E1, E2, E3) provide a variety of output signals and, depending on the mode select-
ed, provide energy pulses, power failure indication, or other choices.
The CS5464 includes a three-wire serial host interface to an external microcontroller or serial E 2 PROM.
Signals include serial data input (SDI), serial data output (SDO), serial clock (SCLK), and optionally, a
chip select (CS), which allows the CS5464 to share the SDO signal with other devices. A MODE input is
used to control whether an E 2 PROM will be used instead of a host microcontroller.
DS682F3
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相关代理商/技术参数
CS5464-ISZ 功能描述:电流和电力监控器、调节器 3-Ch Single Phase Power/Energy IC RoHS:否 制造商:STMicroelectronics 产品:Current Regulators 电源电压-最大:48 V 电源电压-最小:5.5 V 工作温度范围:- 40 C to + 150 C 安装风格:SMD/SMT 封装 / 箱体:HPSO-8 封装:Reel
CS5464-ISZR 功能描述:电流和电力监控器、调节器 IC 3-Ch Single Phase PWR/Energy RoHS:否 制造商:STMicroelectronics 产品:Current Regulators 电源电压-最大:48 V 电源电压-最小:5.5 V 工作温度范围:- 40 C to + 150 C 安装风格:SMD/SMT 封装 / 箱体:HPSO-8 封装:Reel
CS5466 制造商:CIRRUS 制造商全称:Cirrus Logic 功能描述:Low-cost Power/Energy IC with Pulse Output
CS5466_05 制造商:CIRRUS 制造商全称:Cirrus Logic 功能描述:Low-cost Power/Energy IC with Pulse Output
CS5466-IS 功能描述:电流和电力监控器、调节器 Low-Cost Pwr/Energy w/Pulse Output IC RoHS:否 制造商:STMicroelectronics 产品:Current Regulators 电源电压-最大:48 V 电源电压-最小:5.5 V 工作温度范围:- 40 C to + 150 C 安装风格:SMD/SMT 封装 / 箱体:HPSO-8 封装:Reel
CS5466-ISZ 功能描述:电流和电力监控器、调节器 Low-Cost Pwr/Energy w/Pulse Output IC RoHS:否 制造商:STMicroelectronics 产品:Current Regulators 电源电压-最大:48 V 电源电压-最小:5.5 V 工作温度范围:- 40 C to + 150 C 安装风格:SMD/SMT 封装 / 箱体:HPSO-8 封装:Reel
CS5466-ISZD1 制造商:Cirrus Logic 功能描述:
CS5466-ISZR 功能描述:电流和电力监控器、调节器 IC for Residential PWR-Meter Apps RoHS:否 制造商:STMicroelectronics 产品:Current Regulators 电源电压-最大:48 V 电源电压-最小:5.5 V 工作温度范围:- 40 C to + 150 C 安装风格:SMD/SMT 封装 / 箱体:HPSO-8 封装:Reel