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TPS92518QPWPTQ1 PDF预览

TPS92518QPWPTQ1

更新时间: 2024-09-16 11:11:11
品牌 Logo 应用领域
德州仪器 - TI 控制器
页数 文件大小 规格书
60页 2715K
描述
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 | PWP | 24 | -40 to 125

TPS92518QPWPTQ1 数据手册

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TPS92518-Q1  
SLUSCZ1 MAY 2017  
TPS92518-Q1 Automotive Dual Channel Buck LED Controller with SPI Interface,  
Analog and PWM Dimming  
1 Features  
3 Description  
The TPS92518-Q1 family of parts are dual channel  
buck LED current controllers with  
communications interface. The serial communication  
interface provides a singular communication path for  
multichannel and platform lighting driver module  
(LDM) applications.  
1
AEC-Q100 Qualified for Automotive Applications  
a
SPI  
Grade 1: –40°C to 125°C Ambient Operating  
Temperature  
Device HBM Classification Level H2  
Device CDM Classification Level C5  
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.  
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  
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.  
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  
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.  
10,000:1 PWM Dimming Range  
255:1 Analog Dimming Range  
High Frequency Shunt FET Dimming  
Device Information(1)  
PART NUMBER  
TPS92518-Q1  
PACKAGE  
BODY SIZE (NOM)  
2 Applications  
HTSSOP (24)  
7.7 mm x 4.4 mm  
Automotive LED Lighting: High and Low Beam,  
DRL, Turn, Position  
TPS92518HV-Q1  
(1) For all available packages, see the orderable addendum at  
the end of the data sheet.  
Constant Current LED Driver  
Switched Matrix Headlamps  
AFS Headlamps  
LED General Lighting  
Simplified Schematic  
Input Voltage  
Battery or Boost  
Regulator  
Buck CH1  
EN/UV  
PWM1  
PWM2  
VLED1  
µC  
TPS92518-Q1  
Buck CH2  
Input Voltage  
ñ Peak  
ñ Off time  
ñ Enable  
ñ Faults  
ñ Temp  
SPI  
VLED2  
MCU VCC  
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,  
intellectual property matters and other important disclaimers. PRODUCTION DATA.  
 
 
 

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