TIDA-00237
Ultra-Small 1W, 12V-36V Iso Power Supply for Analog Prog Logic Controller Modules Reference Design
TIDA-00237
Overview
Analog input and output modules are a standard component in Programmable Logic Controllera (PLC) or Distributed Control Systems (DCS). More channels per module and slimmer modules bring design challenges to the isolated power supply in those modules. Anyone facing those challenges will benefit from TIDA-00237, as the total design foot print is less than 2.54x2.54mm and less than 5mm height. It uses a fly-buck approach which means no optocoupler feedback with wide input voltage range of 12V-36V. The design provides +/-15V and 5V isolated, low noise outputs optimal for driving a data converter or analog front end.
Features
- Wide input voltage range: 12V to 36V (24VNOM)
- 3 isolated outputs: 15VISO at 30mA ultra low noise, -15 VISO at 30mA ultra low noise, 5VISO at 40mA
- ±2.5% output voltage accuracy
- Ultra low profile < 5mm
- IEC 61131-2 Compliant
Industrial
- Aircraft cockpit display
- Battery cell formation & test equipment
- Channel isolated analog input module
- Channel isolated analog output module
- Fieldbus Module
- Industrial Ethernet Module
- Mixed module (AI,AO,DI,DO)
- Narrow input range
- Temperature input module
- Universal analog input module
- Voltage & current input module
- Voltage & current output module
- Weight module
- Wide input range
- Wireless Module
A fully assembled board has been developed for testing and performance validation only, and is not available for sale.
Design files & products
Design files
Download ready-to-use system files to speed your design process.
TIDU855.PDF (824 K)
Reference design overview and verified performance test data
TIDREI9.PDF (350 K)
Detailed schematic diagram for design layout and components
TIDREJ0.PDF (75 K)
Complete listing of design components, reference designators, and manufacturers/part numbers
TIDREJ1.PDF (138 K)
Detailed overview of design layout for component placement
TIDREJ3.ZIP (633 K)
Files used for 3D models or 2D drawings of IC components
TIDCA73.ZIP (291 K)
Design file that contains information on physical board layer of design PCB
TIDREJ2.PDF (829 K)
PCB layer plot file used for generating PCB design layout
Products
Includes TI products in the design and potential alternatives.
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Technical documentation
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| Type | Title | Date | ||
|---|---|---|---|---|
| * | Design guide | Ultra-Thin Small Footprint 1-W, 12-V to 36-V Isolated Power Supply Design Guide | Apr. 09, 2015 |
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