IC manufacturers Texas Instruments

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Texas Instruments UCC12051-Q1 | Demoboard PMP22845

Automotive, 500-mW, 5-kVrms isolated DC/DC module with integrated transformer

Overview

TopologyBuck Converter
Input voltage4.5-5.5 V
Output 15 V / 0.1 A

Description

This reference design demonstrates EMI mitigation techniques required for a high frequency, reinforced 5-kVRMS isolated, 5-V bias DC/DC converter module to pass the automotive, CIPSR 25, class 5, EMC test standard. The design features a 500-mW, high efficiency bias supply with integrated transformer, control and power stage in a 2.65 mm height SOIC-16 package solution. Typical bias examples include: digital isolators, voltage and current sensing, CAN transceivers and signal communication used in the design of traction inverters, on-board chargers, battery management systems, infotainment, charging cables and PTC heaters.

Features

  • Passes CISPR 25, class 5 conducted and radiated emissions
  • Low component count, small size, high integration, low profile
  • Integrated IC level transformer rated for 5-kVRMS isolation
  • AEC-Q100 qualified, functional safety capable
  • This design has been tested and verified in an independent, certified anechoic EMI chamber

Typical applications

  • DC Fast charging station, L2 residential chargers
  • 48 V/400V / 800V battery pack-passive balancing, HVAC compressor-48V, Traction Inverter- high voltage & low voltage , Fuel cell control unit

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