Power Supply with Programmable Output Voltage and Protection for Position Encoder Interfaces TIDA-00180 (ACTIVE)

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Key Document

Description

This TI Design implements a universal power supply with programmable output voltage and innovative smart e-Fuse technology for use in a multi-standard position encoder interface module on an industrial drive. The eFuse provides inrush-current and over-current protection as well as user programmable over and under-voltage protection with limits accurate across the industrial temperature range. This design is realized to meet EMC immunity requirements for ESD, Fast Transient Burst and Surge according to IEC61800-3.

Features
  • Power supply design supports different supply voltage requirements for a wide range of position encoders with digital or analog interface
  • Offers a wide input voltage range, 18-36 V (24-V nominal) and high efficiency (>80%)
  • Output voltage programmable from 5-V to 15-V with <15 mVpp ripple at 300mA load current
  • Output protection with innovative eFuse technology, inrush-current limitation, and protection against overcurrent, over- and under-voltage. Protection limits are constant across the industrial temperature range
  • Fault handling: Disconnect in case of fault, enable pin for power supply reset. Fault and
  • Power Good indicator flags for diagnostics
  • Designed to meet EMC requirements for ESD, EFT, Surge according to IEC61800-3.

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TI Devices (4)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
SN74CB3Q3125  Quadruple FET 2.5-V/3.3-V Low-Voltage High-Bandwidth Bus Switch  Switches & multiplexers  Sample & Buy View Design Kits & Evaluation Modules
TPL0401A-10  128-Taps Single-Channel Digital Potentiometer With I2C Interface  Data converters  Sample & Buy View Design Kits & Evaluation Modules
TPS24750  18V, 12A, 3mΩ eFuse with IMON and PG  Power switches  Sample & Buy View Design Kits & Evaluation Modules
TPS54040A  3.5V to 42V Input, 0.5A Step-Down Converter with Eco-Mode  Step-down (buck)  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
SN74CB3Q3125 Download Download
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TPL0401A-10 Download Download
TPS24750 Download
TPS54040A Download
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Technical Documents

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User guides (1)
Title Type Size (KB) Date
PDF 4819 06 Oct 2014
Design files (6)
Title Type Size (KB) Date
ZIP 747 13 Oct 2014
ZIP 2913 13 Oct 2014
PDF 1190 13 Oct 2014
PDF 178 13 Oct 2014
PDF 35 13 Oct 2014
PDF 297 13 Oct 2014

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