Isolated Ultra-Low Power Design for 4 to 20 mA Loop Powered Transmitters
Description
The objective of this design is to provide a turn-key solution able to power the electronics of isolated loop powered 4 to 20 mA transmitters or other low power applications with limited input current budget. It addresses the key requirements of such applications like operating over wide input voltage range: providing isolated and no-isolated noise-free outputs and offering a complete set of protection features. Multiple test points on the board: a dual layer - single side populated construction and a comprehensive documentation enable easy testing: modification and optimization by the user.Watch the TIDA-00349 Overview video: covering the same isolated power topology as used in the TIDA-00167 NOW
Features
- Operates over a wide input voltage range from 8 to 33Provides isolated and non-isolated 3.3V rails: selectable between low Iq LDOs and high PSRR LDOsHighly efficient isolated DC/DC converter with constant switching frequency achieves more than 70% efficiency at 5 to 8 mW loadContains input surge protection (EN 61000-4-5: ±1 kV): reverse protection: current limiters for hot-plug and surge and protects a transmitters loop current sense circuitOn-board ripple filter to address conducted EMI requirements (EN 55011) and decoupling from loop currentFully functional board which can easily be tested: modified and optimized
Applications
- Temperature transmitter
- Process analytics
- HVAC controller
- Level transmitter
- Position sensor
- HVAC valve & actuator control
- Proximity switch
- Access control
- Safety area scanner
- Force & torque sensor
- Safety light curtain
- Flow transmitter
- Pressure transmitter
Product Categories
- Power management
| Download the bill of materials for TIDA-00167 | Download |
Test Data
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Download the test file for TIDA-00167| Title | Updated | Type | Size (KB) | |
|---|---|---|---|---|
| TIDA-00167 Gerber | 29 Sep 2014 | ZIP | 278 | |
| TIDA-00167 Altium | 29 Sep 2014 | ZIP | 825 | |
| TIDA-00167 PCB 3D Print | 29 Sep 2014 | 6007 | ||
| TIDA-00167 PCB | 29 Sep 2014 | 1881 | ||
| TIDA-00167 Assembly Drawing | 29 Sep 2014 | 260 | ||
| TIDA-00167 BOM | 29 Sep 2014 | 47 | ||
| TIDA-00167 Schematic and Block Diagram | 29 Sep 2014 | 3288 |