TIDA-020013

Automotive SPD-SmartGlass™ driver reference design

TIDA-020013

Design files

Overview

This reference design details how to drive various forms of electronically dimmable glass, including SPD-SmartGlass™ and APD Glass from a car battery. This illustrates how to make a DC/AC inverter using the LM5155-Q1 boost converter with a charge pump, two UCC27712-Q1 half bridge drivers, and a TMS320F2807 microcontroller for PWM creation and system monitoring.

Features
  • 120 Vrms AC output
  • 100mA driving capability
  • Controllable output amplitude for intermediate levels of glass dimming
  • This circuit design is tested and includes gerbers, schematics, and BOM
Automotive

A fully assembled board has been developed for testing and performance validation only, and is not available for sale.

Design files & products

Design files

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

TIDUEH1A.PDF (2300 K)

Reference design overview and verified performance test data

TIDRXO7A.PDF (342 K)

Detailed schematic diagram for design layout and components

TIDRXO8A.PDF (652 K)

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

TIDRXO9A.PDF (241 K)

Detailed overview of design layout for component placement

TIDRXP1A.ZIP (1417 K)

Files used for 3D models or 2D drawings of IC components

TIDCF09A.ZIP (633 K)

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

TIDRXP0A.PDF (1235 K)

PCB layer plot file used for generating PCB design layout

Products

Includes TI products in the design and potential alternatives.

Boost controllers (external switch)

LM5155-Q12.2-MHz wide VIN, 1.5-A MOSFET driver, non-synchronous boost controller, AEC-Q100 qualified

Data sheet document-pdfAcrobat PDF open-in-new HTML
Boost converters (integrated switch)

TPS61041-Q11.8-V to 6-V input range, 250-mA boost converter, AEC-Q100 qualified

Data sheet document-pdfAcrobat PDF open-in-new HTML
C2000 real-time microcontrollers

TMS320F28027C2000™ 32-bit MCU with 60 MHz, 64 KB flash

Data sheet document-pdfAcrobat PDF
C2000 real-time microcontrollers

TMS320F28027-Q1Automotive C2000™ 32-bit MCU with 60 MHz, 64 KB flash

Data sheet document-pdfAcrobat PDF
General-purpose op amps

TLV271-Q1Automotive-grade, single, 16-V, 3-MHz operational amplifier

Data sheet document-pdfAcrobat PDF
Half-bridge drivers

UCC27712-Q1Automotive 1.8-A/2.8-A, 620V half bridge gate driver with interlock

Data sheet document-pdfAcrobat PDF open-in-new HTML
Linear & low-dropout (LDO) regulators

TPS7B82-Q1Automotive 300-mA, off-battery (40-V), ultra-low-IQ LDO with enable in AEC-Q100 Grade-0 and Grade-1

Data sheet document-pdfAcrobat PDF open-in-new HTML

Technical documentation

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Type Title Date
* Design guide Automotive SPD-SmartGlass™ Driver Reference Design (Rev. A) Jul. 01, 2019

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