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汽車 LED 驅動器

TPS92611-Q1

現行

具有 300mA 輸出、開路和短路偵測功能的車用單通道 LED 驅動器

立即訂購
產品規格表

TPS92611-Q1

現行
產品規格表 立即訂購

產品詳細資料

Number of channels 1 Topology Current Source Rating Automotive TI functional safety category Functional Safety-Capable Operating temperature range (°C) -40 to 125 Vin (min) (V) 4.5 Vin (max) (V) 40 Vout (min) (V) 0 Vout (max) (V) 40 Iout (max) (A) 0.3 Iq (typ) (mA) 0.2 Features Enable/Shutdown, Fault Detection, Fault Diagnostic, LED Open Detection, LED Short to Ground Detection, Thermal shutdown
Number of channels 1 Topology Current Source Rating Automotive TI functional safety category Functional Safety-Capable Operating temperature range (°C) -40 to 125 Vin (min) (V) 4.5 Vin (max) (V) 40 Vout (min) (V) 0 Vout (max) (V) 40 Iout (max) (A) 0.3 Iq (typ) (mA) 0.2 Features Enable/Shutdown, Fault Detection, Fault Diagnostic, LED Open Detection, LED Short to Ground Detection, Thermal shutdown
HVSSOP (DGN) 8 14.7 mm² 3 x 4.9
  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results:
    • Temperature Grade 1: –40°C to 125°C Ambient Operating Temperature Range
    • Device HBM ESD Classification Level H2
    • Device CDM ESD Classification Level C3B
  • Functional safety capable
    • Documentation available to aid functional safety system design
  • Single-Channel Constant-Current LED Driver With PWM Dimming
  • Wide Input-Voltage Range: 4.5 V–40 V
  • Constant Output Current, Adjustable by Sense Resistor
  • Precision Current Regulation, Tolerance ±4.6%
  • Maximum Current: 300 mA
  • Heat Sharing With External Resistor
  • Low Dropout Voltage (Current-Sense Voltage Drop Included)
    • Maximum Dropout: 150 mV at 10 mA
    • Maximum Dropout: 400 mV at 70 mA
    • Maximum Dropout: 700 mV at 150 mA
    • Maximum Dropout: 1.3 V at 300 mA
  • Diagnostics and Protection
    • LED Open-Circuit and Short-Circuit Detection With Auto-Recovery
    • Diagnostic-Enable With Adjustable Threshold for Low-Dropout Operation
    • Fault Bus up to 15 Devices, Configurable As Either One-Fails–All-Fail or Only-Failed-Channel Off
    • Low Quiescent Current and Fault-Mode Current (<250 µA per Device)
  • Operating Junction Temperature Range: –40°C to 150°C
  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results:
    • Temperature Grade 1: –40°C to 125°C Ambient Operating Temperature Range
    • Device HBM ESD Classification Level H2
    • Device CDM ESD Classification Level C3B
  • Functional safety capable
    • Documentation available to aid functional safety system design
  • Single-Channel Constant-Current LED Driver With PWM Dimming
  • Wide Input-Voltage Range: 4.5 V–40 V
  • Constant Output Current, Adjustable by Sense Resistor
  • Precision Current Regulation, Tolerance ±4.6%
  • Maximum Current: 300 mA
  • Heat Sharing With External Resistor
  • Low Dropout Voltage (Current-Sense Voltage Drop Included)
    • Maximum Dropout: 150 mV at 10 mA
    • Maximum Dropout: 400 mV at 70 mA
    • Maximum Dropout: 700 mV at 150 mA
    • Maximum Dropout: 1.3 V at 300 mA
  • Diagnostics and Protection
    • LED Open-Circuit and Short-Circuit Detection With Auto-Recovery
    • Diagnostic-Enable With Adjustable Threshold for Low-Dropout Operation
    • Fault Bus up to 15 Devices, Configurable As Either One-Fails–All-Fail or Only-Failed-Channel Off
    • Low Quiescent Current and Fault-Mode Current (<250 µA per Device)
  • Operating Junction Temperature Range: –40°C to 150°C

With LEDs being widely used in automotive applications, simple LED drivers are more and more popular. Compared to discrete solutions, a low-cost monolithic solution lowers system-level component counts and significantly improves current accuracy and reliability.

The TPS92611-Q1 device is a simple single-channel high-side LED driver operating from an automotive car battery. It is a simple and elegant solution, with LED diagnostics, to deliver constant current for a single LED string. Its one-fails–all-fail feature is able to work together with other LED drivers, such as the TPS9261x-Q1, TPS9263x-Q1, and TPS9283x-Q1 devices, to address different requirements.

With LEDs being widely used in automotive applications, simple LED drivers are more and more popular. Compared to discrete solutions, a low-cost monolithic solution lowers system-level component counts and significantly improves current accuracy and reliability.

The TPS92611-Q1 device is a simple single-channel high-side LED driver operating from an automotive car battery. It is a simple and elegant solution, with LED diagnostics, to deliver constant current for a single LED string. Its one-fails–all-fail feature is able to work together with other LED drivers, such as the TPS9261x-Q1, TPS9263x-Q1, and TPS9283x-Q1 devices, to address different requirements.
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技術文件

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類型 標題 日期
* Data sheet TPS92611-Q1 Automotive Single-Channel Linear LED Driver datasheet (Rev. B) PDF | HTML 2020年 1月 14日
Application note Discrete Fault Detection Circuit for the TPS9261x-Q1 PDF | HTML 2022年 9月 27日
White paper 簡化汽車及工業領域的功 能安全認證 2020年 6月 9日
Functional safety information TPS92611-Q1 Functional Safety FIT Rate and Failure Mode Distribution 2020年 1月 2日
White paper 汽車尾燈系統的趨勢與拓撲 (Rev. A) 2019年 10月 9日
Technical article Hit the brakes on discrete LED circuit designs PDF | HTML 2019年 5月 29日
White paper Fundamentals to automotive LED driver circuits 2019年 5月 9日
White paper LED Drivers for Automotive Exterior Applications (Rev. B) 2018年 3月 27日
Selection guide 汽车外部照明应用的LED驱动器 2018年 3月 15日
EVM User's guide TPS92611-Q1 Evaluation Module User's Guide 2017年 12月 15日
Application note TPS92611-Q1 PCB Thermal Budget Design for Maximum Output Current 2010年 4月 23日

設計與開發

如需其他條款或必要資源，請按一下下方的任何標題以檢視詳細頁面 (如有)。

開發板

TPS92611EVM — TPS92611-Q1 單通道 LED 驅動器評估模組

The TPS92611-Q1 evaluation module (EVM) helps designers evaluate the operation and performance of TPS92611-Q1, a single-channel linear LED driver for automotive lighting applications. It features precision current regulation with PWM dimming. It also has full diagnostics for LED-string open and LED (...)
使用指南: PDF
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模擬型號

TPS92611-Q1 Unencrypted PSpice Transient Model Package (Rev. B)

SLDM010B.ZIP (52 KB) - PSpice Model
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模擬工具

PSPICE-FOR-TI — PSpice® for TI 設計與模擬工具

PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
要求
參考設計

TIDA-020009 — 適用於車尾燈的汽車雙級 (SEPIC + 線性) 靜態 LED 驅動器模組參考設計

This reference design details a solution for driving LEDs in an automotive rear-light application such as a rear combination lamp (RCL). It features linear LED drivers for different rear light light functions and the LED drivers are powered by a single ended primary inductance converter (SEPIC) (...)
Design guide: PDF
電路圖: PDF
參考設計

TIDA-050041 — 符合大電流注入 (BCI) 規範的車用後方照明參考設計

This reference design for TPS92611-Q1 is an automotive rear light EMC compliant design. This is a direct connection to battery application with multiple single channel device and the fault pins are connected together to realize one-fails-all-fail function. This reference design provides some (...)
Design guide: PDF
電路圖: PDF
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HVSSOP (DGN) 8 Ultra Librarian
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