Datasheet > SA4106ASAR

SA4106ASAR

更新时间： 2025-03-21 01:16:55

品牌	Logo	应用领域
SAMES		/
页数	文件大小	规格书
18页	568K
描述
Single Channel Single Phase Energy

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SA4106ASAR 数据手册

Single Channel Single Phase Energy

Metering IC

SA4106A

FEATURES



Unidirectional or bidirectional power and energy

measurement

Precision on-chip oscillator (70ppm/°C drift)

Precision on-chip voltage reference (10ppm/°C drift)



Meets the IEC62053, CBIP-88 and IS137799-1999

specification requirements for Class 1 AC static watt-

hour meters for active energy



Motor drive outputs (MOP, MON) provide average active

power information and can drive an electro-mechanical

counter or an impulse counter directly

Selectable on-chip anti-creep function (0.01% of F_MAX

0.004% of F_MAX, disabled)



Anti-creep state indicator pin

Low power consumption (<20mW typical)

Measures AC inputs only



LED pulse output for calibration purposes supplies

average active power information

Configurable for different meter ratings

DESCRIPTION

The SA4106A is an accurate single phase power/energy

metering integrated circuit providing a single chip solution for

single phase energy meters. Very few external components

are required and the chip includes a direct drive capability for

electro-mechanical counters. The SA4106A does not require

an external crystal or voltage reference. A precision oscillator

and a precision voltage reference to supply the circuitry with

a stable frequency and stable reference currents are

integrated on the chip.

(I_MAX) and nominal voltages (V_NOM) without having to change

the stepper motor counter or impulse counter gear ratio. The

LED pulse output follows the average active power

consumption measured and is intended for meter calibration

purposes. In fast calibration mode this output provides a high

frequency pulse rate following the average active power

consumption and can be used for fast calibration or to

interface with a microcontroller.

The SA4106A includes an anti-creep feature preventing any

creep effects in the meter under no-load conditions. The anti-

creep threshold can be set to 0.01% or 0.004% of F_MAX. The

anti-creep function can also be disabled.

The SA4106A metering integrated circuit generates a pulse

output, the frequency of which is proportional to the active

power consumption.

Programmable inputs allow the meter manufacturer to

configure the SA4106A for different meter maximum currents

The SA4106A integrated circuit is available in a 20 pin small

outline (SOIC20) RoHS compliant package.

VDD

DIRO DIRI ACST

ACSEL

FMS

POWER ON

RESET

PIN STATE

DETECTION

DIGITAL

OUTPUT

IIP

SIGNAL PROCESSING

CURRENT

CHANNEL

ADC

IIN

Instantaneous

power

Average

power

LED

PULSE

GENERATION

DIVISION

FOR

LPF

CALIBRATION

LED OUTPUT

DIGITAL

OUTPUT

IVP

VOLTAGE

CHANNEL

ADC

AGND

VOLTAGE REFERENCE

AND

CURRENT BIASING

OSCILLATOR

AND

TIMING

DIVISION

FOR

COUNTER OUTPUT

COUNTER

DRIVE

BUFFERS

VREF

VSS

MON

MOP

Figure 1: Block diagram

SPEC-1587 (REV. 5)

29-09-2017

1/18

12 3 4 5 6 7...18

中文翻译

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