TIDA-00326 Reference Design

Texas Instruments

Soft-Start Isolated Power Supply Reference Design

Description

This reference design demonstrates a Soft-Start Isolated Power Supply. It utilizes a TPS22965 Load-Switch and SN6501 Transformer Driver to slew-rate limit the ramp-up power on the primary supply: and utilizes a Transformer plus a full-wave rectifier to generate the isolated secondary power.

Features
  • Operates with 3.3V or 5V primary supplies50uA load switch quiescent currentHigh primary-side current drive 350mA with 5V supply150mA with 3.3V supplyPrimary side rise time = ~2ms
Applications
  • Position sensor
Product Categories
  • Interface

End Equipment Reference Diagrams

Parts

Part Number Name Companion Part
SN6501 SN6501 Buy Datasheet
TPS22965 TPS22965 Buy Datasheet

Bill Of Materials

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Schematic

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Design File

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Test Data

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Other Documents

Title Updated Type Size (KB)
TIDA-00326 Design File 10 Oct 2014 ZIP 80
TIDA-00326 BOM 10 Oct 2014 PDF 97
TIDA-00326 Schematic 10 Oct 2014 PDF 25