Application

STPMS1

10/23

Doc ID 16524 Rev 2

Note:

The above listed components refer to typical metering applications. However, STPMS1

operation is not limited to the choice of these external components.

Table 6.

Suggested external components in metering applications

Function

Component

Description

Value

Tolerance

Unit

Calculator

STPMC1

---

---

---

---

Line voltage

interface

Resistor

divider

1:1650

±1 %

50 ppm/°C

V/V

1:830

Line current

interface

Rogowski coil

0.15

±5 %

50 ppm/°C

mV/A

CT

1.7

±5 %

Shunt

0.43

±5 %

Figure 5.

Simplified application schematics for STPMC1 based energy metering

AM07834v1

AM07834v1