Flexible High Current IGBT Gate Driver with Reinforced Digital Isolator Reference Design
TIDA-00448
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Key Document

Description

The TIDA-00448 reference design is an isolated IGBT gate driver with bipolar gate voltages intended for driving  high power IGBT’s requiring high peak gate current up to 40 A. TI’s NexFET power blocks which scales in this range, with same package, enables single design to be used for multiple drive platforms with different power ratings. A Digital isolator is used to achieve reinforced isolation with transient surge rating of 8kV and 50kV CMTI. The design incorporates DESAT protection using a fast transient response comparator. The DESAT detection threshold and the soft turn-off time are configurable. The design can interface with PWMs from 3.3 V and 5 V MCUs along with fault, reset and UVLO feedbacks.

Features
  • Designed for Low Voltage Drives with Input Supply up to 600 Vac
  • Designed for Medium Power IGBT Modules with Rated Current up to 1000 A and Qg up to 10 uC
  • Bipolar (+15 V and -8 V) Gate Drive Voltages
  • Common MOSFET Footprint Enables to Choose Parts with 25 A, 32 A and 40A Rating for Flexible Source and Sink Currents
  • Programmable DESAT and Soft Shutdown Feature
  • 8 kV Reinforced Isolation and CMTI Greater than 50 kV/us

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TI Devices (8)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
CSD17313Q2  30V, N ch NexFET MOSFET™, single SON2x2, 32mOhm  MOSFETs  Sample & Buy View Design Kits & Evaluation Modules
CSD87353Q5D  30V, Nch synchronous buck NexFET MOSFET™, SON5x6 PowerBlock, 40A  MOSFETs  Sample & Buy Not Available
ISO7842  5.7-kVrms, 100-Mbps, reinforced 4-channel 2/2 digital isolator  Isolation  Sample & Buy View Design Kits & Evaluation Modules
SN74LVC1G125  Single Bus Buffer Gate With 3-State Outputs  Buffer/driver  Sample & Buy View Design Kits & Evaluation Modules
TLV3201  Single high speed, low power comparator  Amplifiers  Sample & Buy View Design Kits & Evaluation Modules
TPS3700  High-voltage (18-V) window voltage detector for OV & UV monitoring  Power management  Sample & Buy View Design Kits & Evaluation Modules
TPS51604  Synchronous Buck FET driver for High Frequency CPU Core Power Applications  Gate drivers  Sample & Buy Not Available
TPS7A4201  28-V input, 50-mA, single-output low-dropout linear regulator  Power management  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
CSD17313Q2 WSON (DQK)| 6 Download -
CSD87353Q5D LSON-CLIP (DQY)| 8 Download Download
ISO7842 Download Download
SOIC (DWW)| 16 Download Download
SN74LVC1G125 Download Download
Download Download
Download
Download Download
Download -
Download Download
Download Download
TLV3201 Download
Download
TPS3700 Download
Download Download
TPS51604 Download
TPS7A4201 Download Download

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Technical Documents

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Application notes (1)
Title Type Size (KB) Date
PDF 115 12 Mar 2015
User guides (1)
Title Type Size (KB) Date
PDF 3799 17 Nov 2015
Design files (6)
Title Type Size (KB) Date
ZIP 2434 09 Sep 2015
ZIP 419 09 Sep 2015
PDF 121 09 Sep 2015
ZIP 126 09 Sep 2015
PDF 99 09 Sep 2015
PDF 703 09 Sep 2015
Related Tools & Software

Reference Designs  ( 4 )


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