IC manufacturers Texas Instruments

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Texas Instruments LM5021 | Demoboard PMP7146.4

3-ph E-Meter. Input voltage: 2 and 3 phase; outputs: 16.5V@300mApk, 12V@500mA, 3.3V@100mApk, 1.9V@15

Overview

TopologyFlyback Converter
Input voltage90-460 V
Output 116.5 V / 0.05 A
IC revisionB

Description

The PMP7146 has been designed especially for E-meters with PLC (power line communication) on board. The input filter shows high impedance to the PLC transmitter and the controller LM5021 works in constant switching frequency. A settable skip-mode improves the efficiency at light load. Two Bucks and an LDO supply the power to the digital section of the E-meter.

Features

Remark: BOM is added with Schematic pdf.

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