Automotive 200-VA High Frequency Inverter Design TIDA-00122 (ACTIVE)

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Key Document

Description

This design presents a low-cost, small size, robust 200-VA DC to AC inverter based on TI’s MSP430 and UCD8220-digitally managed push-pull controller. It is targetted towards car inverters and small-segment inverters for commercial applications. In this design, UCD8220 is used for a boost stage to get 250-V DC from a 12-V battery. The MSP430 acts as a host controller and provides a 100-kHz clock to UCD8220 and drives for output DC-AC bridge. This inverter has a peak efficiency of 90% and has natural cooling and does not require a fan for cooling.

Features
  • Typical Efficiency for this inverter design: 86%
  • Ultra-low quiescent current of MSP430 minimizes power consumption
  • TrueDrive™ architecture of UCD8220 enhances current drive capability at low voltages
  • Quick power up from standby provided by TLV70433
  • TI’s low-Rdson and low-Qgs MOSFET, CSD18532 is selected to keep switching as well as conduction losses in control

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Schematic/Block Diagram

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Design Files

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TI Devices (6)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
CSD17313Q2  30V N Channel NexFET™ Power MOSFET  MOSFETs  Sample & Buy View Design Kits & Evaluation Modules
CSD17501Q5A  30V, N-Channel NexFET™ Power MOSFET with 20 Volt Vgs  MOSFETs  Not Available View Design Kits & Evaluation Modules
MSP430G2203  MSP430G2x33, MSP430G2x03 Mixed Signal Microcontroller  MSP430 ultra-low-power MCUs  Sample & Buy View Design Kits & Evaluation Modules
TL431  Adjustable precision shunt regulator  Voltage references  Sample & Buy Not Available
TLV704  24V Input Voltage, 150mA, Ultra-Low-Iq Low-Dropout (LDO) Regulators  Power management  Sample & Buy View Design Kits & Evaluation Modules
UCD8220  Digitally Assisted Push Pull PWM Controller  Offline & isolated DC/DC controllers & converters  Sample & Buy Not Available

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
CSD17313Q2 WSON (DQK)| 6 Download -
CSD17501Q5A VSONP (DQJ)| 8 Download Download
MSP430G2203 Download
Download Download
Download Download
Download Download
TL431 Download Download
Download Download
Download -
Download Download
Download Download
Download Download
Download Download
Download -
Download Download
TLV704 Download -
UCD8220 Download Download
Download -

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Technical Documents

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User guides (1)
Title Type Size (KB) Date
Multiple Files   07 Mar 2013
Design files (3)
Title Type Size (KB) Date
ZIP 270 29 Jan 2014
ZIP 23 29 Jan 2014
PDF 172 29 Jan 2014

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