Laser Diode Driver for Automotive/Industrial Time of Flight (ToF) Sensing

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Overview

First utilized in mobile devices, Time of Flight (ToF) sensing is expanding its applications to automotive and industrial device markets.

As the market expands, requirements about the emitter, the light source, are diversifying. To meet those requirements, Sony Semiconductor Solutions Corporation (SSS) develops a versatile laser driver for ToF sensing performance in various use cases.

Features

A wide range of features that enhance depth sensing system performance

Auto Power Control using a PD (Photo-Diode) current monitor
Supports Multi-Junction VCSEL (Vertical Cavity Surface Emitting Laser) (3V-12V power supply for laser)
Multi-serial interface (I2C/SPI)
Multi-slave address (I2C interface)
Signal transmission latency control
Output current assist

Applications

Multi Junction

Multi Emitter

Supports diverse protection features

PD current monitor detects irregular/unintended emission
Detects irregular values of ITO conductive film resistance
Detects abnormal voltage in output terminals
Detects overheating, overvoltage and insufficient voltage

Specifications

		CXD4029GG / CXD4029GG-W
Output Current Type		Sink
Maximum Operating Current	Bias	2.0 A *1
Maximum Operating Current	Switching	7.4 A *1
Output Channel		Two
Maximum Input Frequency		200MHz
Serial Control Interface		SPI / I2C
Power Supply Voltage	Core	1.8V
Power Supply Voltage	Laser	3.0V〜12V
Operating Temperature Range		-40℃ 〜 +105℃
Package		6.0mm × 6.0mm BGA

*1) Dual-channel simultaneous drive

Technology

ToF（Time of Flight）

Find more technical information about ToF (Time of Flight) sensing for this product.

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