STPMS2H-PUR datasheet(12/33 Pages) STMICROELECTRONICS

Numer części	STPMS2H-PUR

Szczegółowy opis	Smart sensor II dual-channel 1-bit, 4 MHz, second-order sigma-delta modulator with embedded PGLNA

PDF	33 Pages

Scroll/Zoom	100%

Producent	STMICROELECTRONICS [STMicroelectronics]

Strona internetowa	http://www.st.com

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12 / 33 page

Application

STPMS2

12/33

Doc ID 16525 Rev 3

Note:

Above listed components refer to typical metering application. Anyhow, STPMS2 operation

is not limited to the choice of these external components.

Table 6.

Recommended external components in metering applications

Function

Component

Description

Value

Tolerance

Unit

Calculator

STPMC1

---

Line voltage

interface

Resistor

divider

R to R ratio VRMS=230V

1:1650

±1%

50ppm/°C

V/V

R to R ratio VRMS=110V

1:830

Line current

interface

Rogowski coil

Current-to-voltage ratio KS

0.15

±5%

50ppm/°C

mV/A

1.7

±5%

Shunt

0.43

±5%

Figure 5.

Simplified application schematics for STPMC1 based energy metering

AM09893v1

R S T N

LOAD

Ant i Al i a s i ng

Ne t wor k

CIN

CIP

GND

VCC

VDD

DAT

DAT n

CL K

MS 1

MS 0

MS 3

MS 2

VBG

VIP

VIN

Ant i Al i a s i ng

Ne t wor k

CIN

CIP

GND

VCC

VDD

DAT

DAT n

CL K

MS 1

MS 0

MS 3

MS 2

VBG

VIP

VIN

Ant i Al i a s i ng

Ne t wor k

CIN

CIP

GND

VCC

VDD

DAT

DAT n

CL K

MS 1

MS 0

MS 3

MS 2

VBG

VIP

VIN

Ca lc ula t or

STPMC1A

DAT

CL K

DAS

DAR

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