Photovoltaic-Output Photocoupler and MOSFET as Replacement for Mechanical Relay

Solid state relay with photovoltaic-output coupler, TLP3906, and MOSFET, TPH1R306PL. Describes design guidance of solid state relay circuit as replacement of mechanical relay.

HVAC application of photovoltaic-output photocoupler and MOSFET as replacement for mechanical relay.
HVAC application
Application circuit diagram of photovoltaic-output photocoupler and MOSFET as replacement for mechanical relay.
Application circuit diagram

Description

  • Solid state relay circuit that phptovoltaic coupler drives power MOSFET directly.
  • Introduction of 5 A DC relay application example.
  • Design guidance of solid state relay as replacement of mechanical relay.

Features

  • Solid state relay acheives "longer life", "higher reliability", and "more silence" compared with mechanical relay
  • Photovoltaic coupler : TLP3906
  • MOSFET : TPH1R306PL

Reference design files

Design, Document

“Design・Document” contains the documents listed below.

名稱 日期

Toshiba items

Part Number Device Category Portion Usage Description
TLP3906 Photocaoupler Driving MOSFET・1 VOC=7V(Min)/ISC=12μA(Min)/BVS=3750V(Min)/Creepage distance=5.0mm(Min)/SO6
TPH1R306PL MOSFET Current flow line・1 U-MOSIX-H/60V/1.3mΩ(Max)@VGS=10V/SOP Advance

Documents

Video

聯繫我們

技術方面問題

聯絡我們

聯絡我們

常見問題

常見問答
開啟新視窗