TPS92518-Q1

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具有 SPI 接口、模拟和 PWM 调光功能的 42V 汽车类双路降压 LED 控制器

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数据表

document-pdfAcrobat TPS92518-Q1 Automotive Dual Channel Buck LED Controller with SPI Interface, Analog and PWM Dimming 数据表 (英语) PDF | HTML

TPS92518-Q1

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数据表

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产品详情

Number of channels

2

Topology

Buck Controller

Rating

Automotive

Operating temperature range (°C)

-40 to 125

Vin (min) (V)

6.5

Vin (max) (V)

42

Vout (min) (V)

0

Vout (max) (V)

39

Iout (max) (A)

5

Iq (typ) (mA)

3

Switching frequency (max) (kHz)

2000

Features

Fault Detection, LED Open Detection, Precision Dimming Control, Thermal Error Flag, Thermal shutdown

Number of channels

2

Topology

Buck Controller

Rating

Automotive

Operating temperature range (°C)

-40 to 125

Vin (min) (V)

6.5

Vin (max) (V)

42

Vout (min) (V)

0

Vout (max) (V)

39

Iout (max) (A)

5

Iq (typ) (mA)

3

Switching frequency (max) (kHz)

2000

Features

Fault Detection, LED Open Detection, Precision Dimming Control, Thermal Error Flag, Thermal shutdown

HTSSOP (PWP)

24

49.92 mm² (7.8 mm × 6.4 mm)

AEC-Q100 Qualified for Automotive Applications
- Grade 1: –40°C to 125°C Ambient Operating Temperature
- Device HBM Classification Level H2
- Device CDM Classification Level C5
Wide Input Voltage Range 6.5 V to 65 V
Two independent Buck LED Controllers
- High Bandwidth, Quasi-Hysteretic Control
- Adjustable High-Side Sense
- Direct PWM Dimming Input
- Cycle-by-Cycle Current Limit
SPI Communications Interface
- Software configurable Set Points (8-bit)
- Digital Calibration and Binning
- Fault Monitoring and Reporting
Advanced, High Precision Dimming
- 10,000:1 PWM Dimming Range
- 255:1 Analog Dimming Range
- High Frequency Shunt FET Dimming

AEC-Q100 Qualified for Automotive Applications
- Grade 1: –40°C to 125°C Ambient Operating Temperature
- Device HBM Classification Level H2
- Device CDM Classification Level C5
Wide Input Voltage Range 6.5 V to 65 V
Two independent Buck LED Controllers
- High Bandwidth, Quasi-Hysteretic Control
- Adjustable High-Side Sense
- Direct PWM Dimming Input
- Cycle-by-Cycle Current Limit
SPI Communications Interface
- Software configurable Set Points (8-bit)
- Digital Calibration and Binning
- Fault Monitoring and Reporting
Advanced, High Precision Dimming
- 10,000:1 PWM Dimming Range
- 255:1 Analog Dimming Range
- High Frequency Shunt FET Dimming

The TPS92518-Q1 family of parts are dual channel buck LED current controllers with a SPI communications interface. The serial communication interface provides a singular communication path for multichannel and platform lighting driver module (LDM) applications.

The TPS92518-Q1 uses a quasi-hysteretic control method that supports switching frequencies ranging from 1 kHz to 2 MHz. This control method enables superior, high frequency shunt FET dimming and also handles the demanding dynamic loads of adaptive LED matrix based headlamp systems.

Software programmable SPI set points (Precision Peak Current, Controlled Off-Time and Output Voltage Sense) enables designers to develop a single LED driver solution for multiple load configurations that can be quickly reconfigured for future LED driver design requirements.

The TPS92518-Q1 device has an input range up to 42 V. The TPS92518HV-Q1 is a high-voltage option with an input range up to 65 V.

The TPS92518-Q1 family of parts are dual channel buck LED current controllers with a SPI communications interface. The serial communication interface provides a singular communication path for multichannel and platform lighting driver module (LDM) applications.

The TPS92518-Q1 uses a quasi-hysteretic control method that supports switching frequencies ranging from 1 kHz to 2 MHz. This control method enables superior, high frequency shunt FET dimming and also handles the demanding dynamic loads of adaptive LED matrix based headlamp systems.

Software programmable SPI set points (Precision Peak Current, Controlled Off-Time and Output Voltage Sense) enables designers to develop a single LED driver solution for multiple load configurations that can be quickly reconfigured for future LED driver design requirements.

The TPS92518-Q1 device has an input range up to 42 V. The TPS92518HV-Q1 is a high-voltage option with an input range up to 65 V.

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顶层文档	类型	标题	格式选项	下载最新的英语版本		日期
*	数据表	TPS92518-Q1 Automotive Dual Channel Buck LED Controller with SPI Interface, Analog and PWM Dimming 数据表	PDF \| HTML			2017-5-18
	应用手册	汽车前照灯选择指南	PDF \| HTML	英语版	PDF \| HTML	2021-9-29

设计与开发

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评估板

LEDSPIMCUEVM-879 — 与 TPS92518EVM-878 电路板一起使用的 MCU 控制板

LEDSPIMCUEVM-879 是适用于 TPS92518 评估模块 (TPS92518EVM-878) 的 MCU 控制板。此电路板是一个配套电路板，通过 TPS92518 演示套件软件包可实现基于软件的控制，并提供基于计算机的图形用户界面 (GUI)。该板通过将 TPS92518 GUI 的命令转换为 TPS92518 评估模块的控制信号，可评估 TPS92518 的所有特性和功能。通过使用直通连接器将多个 TPS92518 EVM 连接在一起，可以使用一个 LEDSPIMCUEVM 控制多个 TPS92518 EVM。

开始使用

要开始使用此 EVM 进行开发，请执行以下操作：

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TPS92518EVM-878 — 具有 SPI 接口的双降压 LED 驱动器评估板

TPS92518EVM-878 具有一个基于 TPS92518 双路降压 LED 控制器的双通道高亮度 LED 电流调节器。工作时的输入电压范围为 6.5V 至 65V。此 EVM 经过设置，默认的输出电流为每通道 550mA，支持任意数量的 LED（总电压等于或低于输入电压）。此 EVM 的每个通道均可支持高达 1.6A 的调节电流，可利用 LEDSPIMCUEVM-879 配套 MCU 控制 EVM，通过一个串行接口对电流进行编程。TPS92518 演示套件软件包可提供基于计算机的图形用户界面 (GUI)，使用户能够控制 PWM (...)

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