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Texas Instruments SN74LVC1G19DCKR | Demoboard TIDA-00751

Solid State Relay 24V AC Switch with Galvanic Isolation Reference Design

Overview

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IC revision00

Description

The solid state relay 24V AC Switch reference design is a single relay replacement that enables efficient power management for a low power alternative to standard electromechanical relays. The OFF-mode provides energy to the system controller and the ON mode can switch fast enough to allow backup battery charging where electromechanical relays cannot. The internal transformer enables isolation and a voltage multiplier ensures enough current to control other relays in the rest of the system

Features

  • Single Electromechanical Relay Replacement
  • Low-Power Solid State Relay With Silent Operation
  • No Clicking Noise
  • <1-μs Turn-on and Turn-off Switching Time
  • In OFF Mode, 24-V AC Line Provides Energy tothe System
  • <200-μA Consumption in OFF Mode
  • Cost Efficient BOM

Typical applications

  • Building Automation
  • HVAC Systems
  • Thermostats

Products

Order Code Data­sheet Downloads Product seriesVINVOut1
(V (DC))
IOut1
(A)
Type of Insulationfswitch
(kHz)
∫Udt
(Vµs)
NPRI : NSECL
(µH)
VT
(V (AC))
L
(mm)
W
(mm)
H
(mm)
Mount Samples
760390014SPEC
7 files WE-PPTI Push-Pull Transformers 5 V (DC) 5 0.6 Functional 300 - 620 11 1:1.3 475 2500 6.73 10.2 4.19 SMT
Order Code Data­sheet
760390014SPEC
Samples
Order Code Data­sheet Downloads Product seriesVINVOut1
(V (DC))
IOut1
(A)
Type of Insulationfswitch
(kHz)
∫Udt
(Vµs)
NPRI : NSECL
(µH)
VT
(V (AC))
L
(mm)
W
(mm)
H
(mm)
Mount Samples