Automotive 12-V to 24-V engine load interface reference design
TIDA-060030
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Key Document

Description

This reference design is a 3-phase 1/2 H-Bridge Motor Drive solution with independent FET capability that interfaces with solenoid loads found in Gasoline and Diesel Engine Platforms such as automotive solenoids, bidirectional Brushed- or Brushless-DC motors, unidirectional Brushed-DC motors, and relays.

Internal Combustion Engines (ICE) will be the largest market for Engine Control Units (ECUs) until the emergence of Hybrid Electric Vehicles, and engine platforms can require up to as many as 60 general purpose outputs. The DRV8343-Q1 motor driver is featured on this design and supports up to 6 independent loads per device, with configurability for any architecture of load output configurations.

This reference design features 4 distinct outputs to showcase the versatility of the DRV8343-Q1: solenoid with push-pull configuration, solenoid with high-side/low-side gate drivers, and independent high-side / low-side loads. These loads are independently driven using an automotive TMS320F28035 C2000 high-efficiency 32-bit microcontroller.

Features
  • Supports 12-V or 24-V automotive systems
  • Operating range 5.5-V to 40-V continuous, up to 60-V transient capability
  • 20-A peak current load driving capability
  • Controls up to 6 engine loads independently in four different load configurations
  • AEC-Q100, Grade 1 qualified

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Design Files

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TI Devices (5)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
DRV8343-Q1  Automotive 12-V to 24-V battery 3-phase smart gate driver with current shunt amplifiers  Motor drivers  Sample & Buy View Design Kits & Evaluation Modules
LMR36006-Q1  4.2-V to 60-V, 0.6-A ultra-small synchronous step-down converter  Step-down (buck) regulators  Sample & Buy View Design Kits & Evaluation Modules
TMS320F28035  C2000™ 32-bit MCU with 60 MHz, 128 KB flash, CLA  Microcontrollers (MCUs)  Sample & Buy View Design Kits & Evaluation Modules
TMS320F28035-Q1  Automotive C2000™ 32-bit MCU with 60 MHz, 128 KB flash, CLA  Microcontrollers (MCUs)  Sample & Buy View Design Kits & Evaluation Modules
TPS7B81-Q1  Automotive 150-mA, off-battery (40-V), ultra-low-IQ, low-dropout voltage regulator with enable  Power management  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
DRV8343-Q1 Download Download
LMR36006-Q1 Download Download
TMS320F28035 Download Download
Download Download
Download Download
TMS320F28035-Q1 Download
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TPS7B81-Q1 Download
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Technical documentation

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Datasheet (1)
Title Type Size (KB) Date
PDF 1296 09 Apr 2019
User guide (1)
Title Type Size (KB) Date
PDF 8454 07 Apr 2020
Design files (6)
Title Type Size (KB) Date
ZIP 469 07 Apr 2020
ZIP 5102 07 Apr 2020
PDF 1523 07 Apr 2020
PDF 340 07 Apr 2020
PDF 99 07 Apr 2020
PDF 414 07 Apr 2020

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