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TIDA-00144

Automotive HVAC Damper Motor Control

Design files

TIDA-00144

Design files

Overview

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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Design files & products

Design files

Download ready-to-use system files to speed your design process.

download Design guide — TIDA-00144
TIDU289.PDF (269 KB)

Reference design overview and verified performance test data

download Test report — TIDA-00144
TIDU288A.PDF (1019 KB)

Test results for the reference design, including efficiency graphs, test prerequisites and more

download Bill of materials (BOM) — TIDA-00144
TIDR523.PDF (126 KB)

Complete listing of design components, reference designators, and manufacturers/part numbers

download Gerber file — TIDA-00144
TIDC367.ZIP (226 KB)

Design file that contains information on physical board layer of design PCB

download Schematic — TIDA-00144
TIDR522.PDF (220 KB)

Detailed schematic diagram for design layout and components

download Schematic — TIDA-00144
TIDC368.ZIP (552 KB)

Detailed schematic diagram for design layout and components

download Schematic — TIDA-00144
TIDR521.PDF (441 KB)

Detailed schematic diagram for design layout and components

Products

Includes TI products in the design and potential alternatives.

Stepper motor drivers

DRV8802 — 45-V, 1.6-A dual H-bridge motor driver with current regulation

Data sheet: PDF | HTML
Low-power MCUs

MSP430F1612 — 8 MHz MCU with 55KB Flash, 5KB SRAM, 12-bit ADC, Dual 12-bit DAC, comparator, DMA, I2C/SPI/UART

Data sheet: PDF
Linear & low-dropout (LDO) regulators

TPS777 — 750-mA, 10-V, low-dropout voltage regulator with enable & RESET with delay

Data sheet: PDF

Start development

Hardware development

Evaluation board

DRV8802EVM — DRV8802 Evaluation Module

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 (...)

EVM user’s guide: PDF
Supported products & hardware

Supported products & hardware

Hardware development
Reference design
TIDA-00144 — Automotive HVAC Damper Motor Control
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DRV8802EVM — DRV8802 Evaluation Module

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Reference design
TIDA-00144 — Automotive HVAC Damper Motor Control
TI’s Standard Terms and Conditions for Evaluation Items apply.

Technical documentation

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Top documentation Type Title Format options Date
* Design guide TIDA-00144 Overview Apr 11, 2014
* Test report TIDA-00144 Test Results (Rev. A) Nov 18, 2014

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