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TIDA-01573

Nanosecond Laser Driver Reference Design for LiDAR

Design files

TIDA-01573

Design files

Overview

This light distancing and ranging (LiDAR) reference design showcases the LMG1020 and LMG1025-Q1 low side gate drivers for narrow pulse applications. These devices are capable of driving a FET to produce <1.5-ns laser optical pulses in excess of 100W.

Features
  • Circuit capable of delivering 60A 1ns current pulses
  • Flexible platform to install and test laser diodes
  • Latest GaN FET driver technology LMG1020 and LMG1025-Q1
  • Advanced minimal-inductance layout
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Design files & products

Design files

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

download Design guide — TIDA-01573
TIDUE52.PDF (1277 K)

Reference design overview and verified performance test data

download Schematic — TIDA-01573
TIDRVR3.PDF (222 K)

Detailed schematic diagram for design layout and components

download Bill of materials (BOM) — TIDA-01573
TIDRVR4.PDF (33 K)

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

download Assembly drawing — TIDA-01573
TIDRVR5.PDF (86 K)

Detailed overview of design layout for component placement

download CAD/CAE symbol — TIDA-01573
TIDRVR7A.ZIP (1691 K)

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

download Gerber file — TIDA-01573
TIDCEJ3.ZIP (593 K)

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

download PCB layout — TIDA-01573
TIDRVR6.PDF (548 K)

PCB layer plot file used for generating PCB design layout

Products

Includes TI products in the design and potential alternatives.

AND gates

SN74LVC1G08 — 1-ch, 2-input 1.65-V to 5.5-V 32 mA drive strength AND gate

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

TPS709 — 150-mA, 30-V, ultra-low-IQ, low-dropout voltage regulator with reverse current protection and enable

Data sheet: PDF | HTML
Low-side drivers

LMG1020 — 7-A/5-A single channel gate driver with 5-V UVLO for nano second input pulses

Data sheet: PDF | HTML
Low-side drivers

LMG1025-Q1 — Automotive 7-A/5-A single-channel low-side gate driver with 5-V UVLO for narrow pulse applications

Data sheet: PDF | HTML

Start development

Hardware

Evaluation board

LMG1020EVM-006 — LMG1020 GaN Low-side Driver + GaN FET LiDAR Evaluation Module

The LMG1020EVM-006 is a small, easy-to-use power stage for LIDAR laser drive. The EVM includes an integrated resistive load, (laser not included) and takes a short-pulse input that can either be buffered (and shortened further), or passed directly to the power stage. The board can demonstrate (...)
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Technical documentation

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Type Title Date
* Design guide Nanosecond Laser Driver Reference Design for LiDAR Feb. 26, 2018
E-book Ein Techniker-Leitfaden für Industrieroboter-Designs Mar. 25, 2020
E-book E-book: An engineer’s guide to industrial robot designs Feb. 12, 2020
Technical article TI empowers design engineers at APEC Feb. 16, 2018

Related design resources

Hardware development

EVALUATION BOARD
LMG1025-Q1EVM — LMG1025-Q1 GaN low-side driver and GaN FET LiDAR evaluation module

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