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汽車 LED 驅動器

TLC6C5724-Q1

現行

汽車 24 通道完整診斷定電流 RGB LED 驅動器

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產品規格表

TLC6C5724-Q1

現行
產品規格表 立即訂購

產品詳細資料

Number of channels 24 Topology Current Sink Rating Automotive Operating temperature range (°C) -40 to 125 Vin (min) (V) 3 Vin (max) (V) 5.5 Vout (min) (V) 0 Vout (max) (V) 7 Iout (max) (A) 1.2 Features Adjacent-Pin Short Detection, Fault Detection, Fault Diagnostic, LED Open Detection, LED Short to Ground Detection, LED Short to VLED Detection, LED Shorted Detection, LED Weak Supply Diagnostics, Reference Resistor Open or Short Detection, SPI Register Lock for Content Protection, Thermal Prewarning and Shutdown
Number of channels 24 Topology Current Sink Rating Automotive Operating temperature range (°C) -40 to 125 Vin (min) (V) 3 Vin (max) (V) 5.5 Vout (min) (V) 0 Vout (max) (V) 7 Iout (max) (A) 1.2 Features Adjacent-Pin Short Detection, Fault Detection, Fault Diagnostic, LED Open Detection, LED Short to Ground Detection, LED Short to VLED Detection, LED Shorted Detection, LED Weak Supply Diagnostics, Reference Resistor Open or Short Detection, SPI Register Lock for Content Protection, Thermal Prewarning and Shutdown
HTSSOP (DAP) 38 101.25 mm² 12.5 x 8.1
  • AEC-Q100 Qualified for Automotive Applications
    • Device Temperature Grade 1: –40°C to 125°C, TA
  • 24 Constant-Current-Sink Output Channels
    • 50-mA Maximum Output Current
    • 8-V Maximum Output Voltage
    • 3 Output Groups: OUTRn, OUTGn, OUTBn
  • Output Current Adjustment
    • 7-Bit Dot Correction for Each Channel
    • 8-Bit Intensity Control for Each Group
  • Integrated PWM Grayscale Generator
    • PWM Dimming for Each Individual Channel
    • Adjustable Global Grayscale Mode: 12-Bit, 10-Bit, 8-Bit
  • Protection and Diagnostics
    • LED-Open Detection, LED-Short Detection, Output Short-to-GND Detection
    • Adjacent-Pin Short Detection
    • Pre-Thermal Warning, Thermal Shutdown
    • IREF Resistor Open- and Short-Detection and -Protection
    • Negate Bit Toggle for GCLK Error Detect and LOD_LSD Register Error Check
    • LOD_LSD Circuit Self-Test
  • Programmable Output Slew Rate
  • Output Channel Group Delay
  • Serial Data Interface
  • AEC-Q100 Qualified for Automotive Applications
    • Device Temperature Grade 1: –40°C to 125°C, TA
  • 24 Constant-Current-Sink Output Channels
    • 50-mA Maximum Output Current
    • 8-V Maximum Output Voltage
    • 3 Output Groups: OUTRn, OUTGn, OUTBn
  • Output Current Adjustment
    • 7-Bit Dot Correction for Each Channel
    • 8-Bit Intensity Control for Each Group
  • Integrated PWM Grayscale Generator
    • PWM Dimming for Each Individual Channel
    • Adjustable Global Grayscale Mode: 12-Bit, 10-Bit, 8-Bit
  • Protection and Diagnostics
    • LED-Open Detection, LED-Short Detection, Output Short-to-GND Detection
    • Adjacent-Pin Short Detection
    • Pre-Thermal Warning, Thermal Shutdown
    • IREF Resistor Open- and Short-Detection and -Protection
    • Negate Bit Toggle for GCLK Error Detect and LOD_LSD Register Error Check
    • LOD_LSD Circuit Self-Test
  • Programmable Output Slew Rate
  • Output Channel Group Delay
  • Serial Data Interface

There are automotive applications for indicators and for LCD local-dimming backlighting. For these applications, more persons think multi-channel constant-current LED drivers are necessary. The requirement is to get the same intensity and color temperature of LEDs. For system-level safety, it is necessary that the LED drivers can sense faults.

The TLC6C5724-Q1 device is an automotive 24-channel constant-current RGB LED driver that can do tests on the LEDs. The TLC6C5724-Q1 device supplies a maximum of 50‑mA output current set by an external resistor. The device has a 7-bit dot correction with two ranges for each output. The device also has an 8-bit intensity control for the outputs of each color group. A 12-,10-, or 8-bit grayscale control adjusts the intensity of each output. The device has circuits that sense faults in the system, including LED faults, adjacent-pin short faults, reference-resistor faults, and more. A slew rate control has 2 positions for adjustment to get the largest decrease in system noise. There is an interval between the changes of output level from one LED group to a different one. This interval helps to decrease the starting electrical current. The SDI and SDO pins let more than one device be connected in series for control through one serial interface.

There are automotive applications for indicators and for LCD local-dimming backlighting. For these applications, more persons think multi-channel constant-current LED drivers are necessary. The requirement is to get the same intensity and color temperature of LEDs. For system-level safety, it is necessary that the LED drivers can sense faults.

The TLC6C5724-Q1 device is an automotive 24-channel constant-current RGB LED driver that can do tests on the LEDs. The TLC6C5724-Q1 device supplies a maximum of 50‑mA output current set by an external resistor. The device has a 7-bit dot correction with two ranges for each output. The device also has an 8-bit intensity control for the outputs of each color group. A 12-,10-, or 8-bit grayscale control adjusts the intensity of each output. The device has circuits that sense faults in the system, including LED faults, adjacent-pin short faults, reference-resistor faults, and more. A slew rate control has 2 positions for adjustment to get the largest decrease in system noise. There is an interval between the changes of output level from one LED group to a different one. This interval helps to decrease the starting electrical current. The SDI and SDO pins let more than one device be connected in series for control through one serial interface.
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類型 標題 日期
* Data sheet TLC6C5724-Q1 Automotive 24-Channel, Full Diagnostics, Constant-Current RGB LED Driver datasheet (Rev. A) PDF | HTML 2018年 8月 14日
Functional safety information TLC6C5724-Q1 Functional Safety, FIT Rate, and Failure Mode Distribution 2020年 4月 27日
Technical article How semiconductor technologies are changing automotive lighting roadmaps PDF | HTML 2019年 10月 24日
EVM User's guide TLC6C5724-Q1 EVM User's Guide 2017年 12月 4日

設計與開發

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開發板

TLC6C5724EVM — TLC6C5724-Q1 24 通道定電流 LED 驅動器評估模組

使用指南: PDF
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開發模組 (EVM) 的 GUI

SLAC776 — TLC6C5724EVM GUI

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支援產品和硬體

產品
汽車 LED 驅動器
TLC6C5724-Q1 — 汽車 24 通道完整診斷定電流 RGB LED 驅動器
硬體開發
開發板
TLC6C5724EVM — TLC6C5724-Q1 24 通道定電流 LED 驅動器評估模組
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模擬型號

TLC6C5724-Q1 PSpice Transient Model

SLAM327.ZIP (189 KB) - PSpice Model
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模擬型號

TLC6C5724-Q1 Unencrypted PSpice Transient Model

SLAM326.ZIP (28 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-020012 — 適合車內照明的汽車像素化展示燈參考設計

This reference design details a solution to drive and control 30 LEDs individually for automotive interior dome light applications. The high pixel count can be used to create different light zones or welcome light animations. The design also implements LED multiplexing functionality to control up (...)
Design guide: PDF
電路圖: PDF
參考設計

TIDA-020001 — 車用 144 區局部調光背光參考設計

This local dimming backlight reference design conserves power, extends the life of liquid-crystal displays (LCDs), and enhances automotive display quality through high dynamic range (HDR) or localized dimming technology. Seven multi-channel constant-current LED drivers allow for 144-zone localized (...)
Design guide: PDF
電路圖: PDF
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HTSSOP (DAP) 38 Ultra Librarian
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