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Texas Instruments SN74LVC1G19DCKR | Demoboard TIDA-00751
Solid State Relay 24V AC Switch with Galvanic Isolation Reference Design
Overview
| Topology | Other Topology |
| IC revision | 00 |
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
- Thermostats
- HVAC Systems
More information
Products
Order Code | Datasheet | Downloads | Status | Product series | VIN | VOut1(V (DC)) | IOut1(A) | Type of Insulation | fswitch(kHz) | ∫Udt(Vµs) | NPRI : NSEC | L(µH) | VT(V (AC)) | L(mm) | W(mm) | H(mm) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-PPTI Push-Pull Transformers, 5 V (DC), 5 V (DC) | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PPTI Push-Pull Transformers | Input Voltage 5 V (DC) | Output Voltage 15 V (DC) | Output Current 10.6 A | Type of InsulationFunctional | Switching Frequency 300 - 620 | Voltage-µSecond11 Vµs | Turns Ratio1:1.3 | Inductance475 µH | Insulation Test Voltage2500 V (AC) | Length6.73 mm | Width10.2 mm | Height4.19 mm | MountSMT |