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汽車 LED 驅動器

TPS92630-Q1

現行

具類比和 PWM 調光功能的車用三通道線性 LED 驅動器

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TPS92623-Q1 現行 具熱共享功能的車用三通道高側 LED 驅動器 Thermal sharing capabilities to distribute heat to resistor.

TPS92630-Q1

現行
產品規格表 立即訂購

產品詳細資料

Number of channels 3 Topology Current Source Rating Automotive Operating temperature range (°C) -40 to 125 Vin (min) (V) 5 Vin (max) (V) 40 Vout (min) (V) 0 Vout (max) (V) 40 Iout (max) (A) 0.45 Iq (typ) (mA) 0.6 Features Enable/Shutdown, Fault Detection, Fault Diagnostic, LED Open Detection, LED Short to Ground Detection, LED Shorted Detection, Thermal Foldback, Thermal shutdown
Number of channels 3 Topology Current Source Rating Automotive Operating temperature range (°C) -40 to 125 Vin (min) (V) 5 Vin (max) (V) 40 Vout (min) (V) 0 Vout (max) (V) 40 Iout (max) (A) 0.45 Iq (typ) (mA) 0.6 Features Enable/Shutdown, Fault Detection, Fault Diagnostic, LED Open Detection, LED Short to Ground Detection, LED Shorted Detection, Thermal Foldback, Thermal shutdown
HTSSOP (PWP) 16 32 mm² 5 x 6.4
  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results:
    • Device Temperature Grade 1: –40°C to 125°C Ambient Operating Temperature Range
    • Device HBM ESD Classification Level H2
    • Device CDM ESD Classification Level C3B
  • 3-Ch. LED Driver With Analog and PWM Dimming
  • Wide Input-Voltage Range: 5 V–40 V
  • Adjustable Constant Output Current Set by Reference Resistor
    • Max. Current: 150 mA per Channel
    • Max. Current: 450 mA in Parallel Operation Mode
    • Accuracy: ±1.5% per Channel When I(IOUTx) > 30 mA
    • Accuracy: ±2.5% per Device When I(IOUTx) > 30 mA
  • Parallel Outputs for Higher Current Using Multiple ICs or Multiple Channels of a Single IC
  • Low Dropout Voltage
    • Max. Dropout: 400 mV at 60 mA per Channel
    • Max. Dropout: 0.9 V at 150 mA per Channel
  • Independent PWM Dimming per Channel
  • Open and Shorted LED Detection With Deglitch Timer
  • LED-String Voltage Feedback per Channel for Single-LED Short Detection
  • Separate Fault Pin for Single-LED Short Failure
  • Fault Pin for Open, Short, and Thermal Shutdown Failure Reporting, Allowing Parallel Bus Connection up to 15 Devices
  • Device Accommodates a Slow Input-Voltage dV/dt (0.5 V/min) With No Issues
  • Operating Junction Temperature Range –40°C to 150°C
  • Package: 16-Pin Thermally Enhanced PWP Package (HTSSOP)
  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results:
    • Device Temperature Grade 1: –40°C to 125°C Ambient Operating Temperature Range
    • Device HBM ESD Classification Level H2
    • Device CDM ESD Classification Level C3B
  • 3-Ch. LED Driver With Analog and PWM Dimming
  • Wide Input-Voltage Range: 5 V–40 V
  • Adjustable Constant Output Current Set by Reference Resistor
    • Max. Current: 150 mA per Channel
    • Max. Current: 450 mA in Parallel Operation Mode
    • Accuracy: ±1.5% per Channel When I(IOUTx) > 30 mA
    • Accuracy: ±2.5% per Device When I(IOUTx) > 30 mA
  • Parallel Outputs for Higher Current Using Multiple ICs or Multiple Channels of a Single IC
  • Low Dropout Voltage
    • Max. Dropout: 400 mV at 60 mA per Channel
    • Max. Dropout: 0.9 V at 150 mA per Channel
  • Independent PWM Dimming per Channel
  • Open and Shorted LED Detection With Deglitch Timer
  • LED-String Voltage Feedback per Channel for Single-LED Short Detection
  • Separate Fault Pin for Single-LED Short Failure
  • Fault Pin for Open, Short, and Thermal Shutdown Failure Reporting, Allowing Parallel Bus Connection up to 15 Devices
  • Device Accommodates a Slow Input-Voltage dV/dt (0.5 V/min) With No Issues
  • Operating Junction Temperature Range –40°C to 150°C
  • Package: 16-Pin Thermally Enhanced PWP Package (HTSSOP)

The TPS92630-Q1 device is a three-channel linear LED driver with analog and PWM dimming control. Its full-diagnostic and built-in protection capabilities make it a suitable choice for variable-intensity LED lighting applications up to the medium-power range.

The design of this device suits it well for driving LEDs configured as a single string or multiple strings within its power capability. A single device can drive up to three strings with one to three LEDs in each string at a total current of up to 150 mA per channel. Outputs can be paralleled to provide higher current drive capability to 450 mA.

In multiple-string applications, the device offers the advantage of having common-cathode connection of the LED strings. So, the application needs only a single return wire instead of one return wire per LED string that a system with low-side current sense would need.

A single-LED-short comparator allows detection of single LED failing with a short circuit. Fault output can support bus connection topology between multiple devices.

The included temperature monitor reduces the LED drive current if the device junction temperature exceeds a thermal threshold. One can program the temperature threshold through an external resistor. One can disable the thermal current-monitor feature by connecting the TEMP pin to ground. Output of the junction temperature as an analog voltage is available as a factory program option.

The TPS92630-Q1 device is a three-channel linear LED driver with analog and PWM dimming control. Its full-diagnostic and built-in protection capabilities make it a suitable choice for variable-intensity LED lighting applications up to the medium-power range.

The design of this device suits it well for driving LEDs configured as a single string or multiple strings within its power capability. A single device can drive up to three strings with one to three LEDs in each string at a total current of up to 150 mA per channel. Outputs can be paralleled to provide higher current drive capability to 450 mA.

In multiple-string applications, the device offers the advantage of having common-cathode connection of the LED strings. So, the application needs only a single return wire instead of one return wire per LED string that a system with low-side current sense would need.

A single-LED-short comparator allows detection of single LED failing with a short circuit. Fault output can support bus connection topology between multiple devices.

The included temperature monitor reduces the LED drive current if the device junction temperature exceeds a thermal threshold. One can program the temperature threshold through an external resistor. One can disable the thermal current-monitor feature by connecting the TEMP pin to ground. Output of the junction temperature as an analog voltage is available as a factory program option.
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技術文件

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重要文件 類型 標題 格式選項 日期
* Data sheet TPS92630-Q1 Three-Channel Linear LED Driver With Analog and PWM Dimming datasheet (Rev. E) PDF | HTML 2018年 5月 25日
Application note TPS92630EVM ESD Test Report PDF | HTML 2022年 7月 6日
Application note Typical Design Guidelines for TPS92630/8-Q1 in Automotive Rear Lamp Applications PDF | HTML 2020年 9月 1日
Technical article Always make the right turn: how to design fault circuits in automotive lighting sy PDF | HTML 2020年 1月 16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
Application note How to Calculate TPS92630-Q1 Maximum Output Current for Automotive Exterior Ligh 2015年 12月 22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

TPS92630EVM — TPS92630EVM： 3 通道線性 LED 驅動器評估模組

Texas Instruments TPS92630 evaluation module contains a TPS92630-Q1 integrated circuit (IC), supporting passive components and three OSRAM LEDs in series per channel, the total includes 3 channels. The purpose of this EVM is to facilitate evaluation of the TPS92630-Q1 in a typical LED application

 

(...)

使用指南: PDF
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模擬型號

TPS92630-Q1 Unencrypted PSpice Transient Model Package (Rev. C)

SLVMA62C.ZIP (135 KB) - PSpice Model
下載
模擬工具

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

PSpice® for TI 是有助於評估類比電路功能的設計和模擬環境。這款全功能設計和模擬套件使用 Cadence® 的類比分析引擎。PSpice for TI 包括業界最大的模型庫之一，涵蓋我們的類比和電源產品組合，以及特定類比行為模型，且使用無需支付費用。

PSpice for TI 設計和模擬環境可讓您使用其內建函式庫來模擬複雜的混合訊號設計。在進行佈局和製造之前，建立完整的終端設備設計和解決方案原型，進而縮短上市時間並降低開發成本。 

在 PSpice for TI 設計與模擬工具中，您可以搜尋 TI (...)
要求
參考設計

TIDA-00677 — 適用於降壓 + 線性 LED 驅動器系統的 CISPR25 車用尾燈參考設計

TIDA-00677 展示一款汽車用 LED 尾燈應用（尾燈／煞車燈、方向燈與倒車燈），其採用 TPS92630-Q1 線性 LED 驅動器，由上游降壓轉換器 TPS65321-Q1 提供電源，該轉換器則透過汽車電池電壓下的一顆智慧型反向電池二極體直接供電。本設計亦依據 CISPR25 與 ISO 7637-2 標準進行了 EMI/EMC 輻射與脈衝測試。有關潛在的成本節省與效率（功耗與系統熱效能）方面的更多資訊，請參閱使用者指南。有關由升壓轉換器驅動的類似設計，請參閱 TIDA-00678。有關直接由汽車電池驅動的類似設計，請參閱 TIDA-00679。
Design guide: PDF
電路圖: PDF
參考設計

TIDA-00678 — 適用於升壓 + 線性 LED 驅動器系統且通過 CISPR25 測試的車用尾燈參考設計

TIDA-00678 展示一款汽車用 LED 尾燈應用（尾燈／煞車燈、方向燈與倒車燈），其採用 TPS92630-Q1 線性 LED 驅動器，由上游升壓轉換器 TPS40210-Q1 提供電源，該轉換器則透過汽車電池電壓下的一顆智慧型反向電池二極體直接供電。本設計包含依據 CISPR25 與 ISO 7637-2 所進行的 EMI/EMC 輻射與脈衝測試，並強調潛在的成本節省與效率提升（功耗、系統熱效能）。有關以降壓轉換器驅動 TPS92630-Q1 的類似設計，請參閱 TIDA-00677。

有關由車用電池直接驅動 TPS92630-Q1 的類似設計，請參閱 TIDA-00679。

Design guide: PDF
電路圖: PDF
參考設計

TIDA-00679 — 適用於車用照明應用的線性 LED 驅動器參考設計

TIDA-00679 是用於車用 LED 尾燈應用（尾燈/煞車燈、方向燈與倒車燈）的參考設計。該設計採用 TPS92630 線性 LED 驅動器，可透過自動電池的智慧反接二極體直接供電。此設計可透過降低功率耗損與改善系統散熱，達到潛在的成本節省與效率提升。本參考設計亦包含以下測試：CISPR25 測試、ISO 7637-2 脈衝測試，以及 EMI/EMC 輻射與傳導發射測試。

有關以降壓轉換器驅動 TPS92630-Q1 的類似設計，請參閱 TIDA-00677。

有關由升壓轉換器驅動的類似設計，請參閱 TIDA-00678。

Design guide: PDF
電路圖: PDF
參考設計

TIDA-00846 — 車用高壓側調光尾燈參考設計

This reference design is for automotive high-side dimming rear light, which uses BCM to supply the rear light. In the design, the high-side driver TPS1H100-Q1 is used to output PWM supply with different duty cycle. Linear LED drivers TPS92630-Q1 and TPS92638-Q1 are used to drive LEDs in constant (...)
Design guide: PDF
電路圖: PDF
參考設計

TIDA-00296 — 汽車車身控制模組驅動器參考設計

TIDA-00296 是一款參考設計，重點展現 TI 的高壓側與低壓側繼電器、馬達和負載驅動器產品組合。此設計所選用的負載元件（門鎖、車窗升降器、座椅加熱器、HVAC、燈具及 LED）旨在展示 BCM 可驅動的負載範圍，並闡明 TI 解決方案如何應用於這些領域。
Test report: PDF
電路圖: PDF
參考設計

TIDA-00264 — 汽車尾燈 EMC 參考設計

The TIDA-00264 reference design is an automative rear light EMC design. This is a direct connection to battery appllication, with a total drive of 900mA LED current. The design is implemented with 3 TPS92630-Q1 devices with fault bus connection. The TIDA-00264 will help customers use the (...)
Test report: PDF
電路圖: PDF
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