产品详细信息

Number of channels (#) 2 Topology Current Source Rating Automotive 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 Features Thermal Sharing, Fault Detection, Fault Diagnostic, LED Open Detection, LED Short to Ground Detection, PWM Dimming, Thermal Shutdown
Number of channels (#) 2 Topology Current Source Rating Automotive 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 Features Thermal Sharing, Fault Detection, Fault Diagnostic, LED Open Detection, LED Short to Ground Detection, PWM Dimming, Thermal Shutdown
WSON (DRR) 12 9 mm² 3 x 3
  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1: –40°C to 125°C, TA
  • Wide input voltage range: 4.5 V to 40 V
  • Thermal sharing by external shunt resistor
  • Low supply current in fault mode
  • Two high-precision current regulation:
    • Up to 150-mA current output for each channel
    • ±5% accuracy over full temperature range
    • Independent current setting by resistor
    • Independent PWM pin for brightness control
  • Low dropout voltage:
    • Maximum dropout: 350 mV for 150 mA
  • Diagnostics and protection
    • LED open-circuit with auto-recovery
    • LED short-to-GND with auto-recovery
    • Diagnostic enable with adjustable threshold
    • Fault bus configurable as either one-fails–all-fail or only-failed-channel off (N-1)
    • Thermal shutdown
  • Operation junction temperature range:–40°C to 150°C
  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1: –40°C to 125°C, TA
  • Wide input voltage range: 4.5 V to 40 V
  • Thermal sharing by external shunt resistor
  • Low supply current in fault mode
  • Two high-precision current regulation:
    • Up to 150-mA current output for each channel
    • ±5% accuracy over full temperature range
    • Independent current setting by resistor
    • Independent PWM pin for brightness control
  • Low dropout voltage:
    • Maximum dropout: 350 mV for 150 mA
  • Diagnostics and protection
    • LED open-circuit with auto-recovery
    • LED short-to-GND with auto-recovery
    • Diagnostic enable with adjustable threshold
    • Fault bus configurable as either one-fails–all-fail or only-failed-channel off (N-1)
    • Thermal shutdown
  • Operation junction temperature range:–40°C to 150°C

The TPS92622-Q1 two-channel LED driver includes a unique thermal management design to reduce temperature rising on the device. The TPS92622-Q1 is a linear driver directly powered by automotive batteries with large voltage variations to output full current loads up to 150 mA per channel. External shunt resistors are leveraged to share output current and dissipate power out of the driver. The device full-diagnostic capabilities include LED open, LED short-to-GND circuit, and device overtemperature protection.

The one-fails–all-fail feature of TPS92622-Q1 can work together with other LED drivers, such as the TPS9261x-Q1, TPS9262x-Q1, TPS9263x-Q1, and TPS92830-Q1 devices, to address different requirements.

The TPS92622-Q1 two-channel LED driver includes a unique thermal management design to reduce temperature rising on the device. The TPS92622-Q1 is a linear driver directly powered by automotive batteries with large voltage variations to output full current loads up to 150 mA per channel. External shunt resistors are leveraged to share output current and dissipate power out of the driver. The device full-diagnostic capabilities include LED open, LED short-to-GND circuit, and device overtemperature protection.

The one-fails–all-fail feature of TPS92622-Q1 can work together with other LED drivers, such as the TPS9261x-Q1, TPS9262x-Q1, TPS9263x-Q1, and TPS92830-Q1 devices, to address different requirements.

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技术文档

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类型 项目标题 下载最新的英语版本 日期
* 数据表 TPS92622-Q1Two-Channel, Automotive, High Side LED Driver with Thermal Sharing 数据表 PDF | HTML 02 Nov 2022
证书 TPS92622Q1EVM EU RoHS Declaration of Conformity (DoC) 07 Sep 2022
EVM 用户指南 TPS92622Q1EVM User's Guide PDF | HTML 31 Aug 2022
技术文章 Here's how body electronics and lighting technology are changing the driving experience 26 Sep 2016
技术文章 LED brightness adjustment: high-frequency PWM dimming 26 Aug 2016
技术文章 Take better selfies with innovative LED flashes 18 Nov 2014
技术文章 Solving the automotive EMI issues in new cars with all the screens 11 Sep 2014

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评估板

TPS92622Q1EVM — 适用于 TPS92622-Q1 具有热共享功能的双通道 40V 高侧 LED 驱动器的评估模块

TPS92622-Q1 评估模块 (EVM) 可帮助设计人员评估 TPS92622-Q1 的运行情况和性能。TPS92622-Q1 是一款具有全面 LED 诊断功能的线性双通道 LED 驱动器,适用于汽车照明应用。

用户指南: PDF | HTML
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