Automotive HVAC Damper Motor Control
TIDA-00144
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Key Document

Description

TIDA-00144 reference design consists of a 1.6A, dual H-bridge motor driver and a small number of external components that can drive up to two brushed DC motors found in automotive HVAC damper motor applications. This design features off battery capabilities with 45V maximum operating supply voltage. Along with, internal shutdown functions provided for overcurrent protection, short circuit protection, under voltage lockout and over temperature.

Features
  • Wide Vin (42V Load dump capable)
  • Simple, 2 pin control interface for motor operation
  • On-chip protection enables higher system reliability
  • Sleep function minimizes power consumption (battery drain)

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Schematic/Block Diagram

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Design Files

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DRV8802EVM :
DRV8802 Evaluation Module

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TI Devices (3)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
DRV8802  45-V, 1.6-A dual H-bridge motor driver with current regulation  Motor drivers  Sample & Buy View Design Kits & Evaluation Modules
MSP430F1612  8 MHz MCU with 55KB FLASH, 5KB SRAM, 12-bit ADC, Dual 12-bit DAC, Comparator, DMA, I2C/SPI/UART  Microcontrollers (MCU)  Sample & Buy View Design Kits & Evaluation Modules
TPS777  750-mA, 10-V, low-dropout voltage regulator with enable & RESET with delay  Power management  Sample & Buy Not Available

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
DRV8802 Download -
MSP430F1612 Download Download
Download -
TPS777 Download

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Technical documentation

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User guides (2)
Title Type Size (KB) Date
PDF 975 18 Nov 2014
PDF 268 11 Apr 2014
Design files (5)
Title Type Size (KB) Date
ZIP 551 11 Apr 2014
ZIP 226 11 Apr 2014
PDF 125 11 Apr 2014
PDF 220 11 Apr 2014
PDF 440 11 Apr 2014

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