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TPS92621-Q1

現行

具有熱共享功能的車用、單通道、高電流 40V 高壓側 LED 驅動器

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產品規格表

TPS92621-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 Operating temperature range (°C) -40 to 125 Vin (min) (V) 4.5 Vin (max) (V) 40 Vout (min) (V) 0 Vout (max) (V) 40 Features Fault Detection, Fault Diagnostic, LED Open Detection, LED Short to Ground Detection, PWM Dimming, Thermal Sharing, Thermal shutdown
Number of channels 1 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 Features Fault Detection, Fault Diagnostic, LED Open Detection, LED Short to Ground Detection, PWM Dimming, Thermal Sharing, Thermal shutdown
HVSSOP (DGN) 8 14.7 mm² 3 x 4.9
  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1: –40°C to 125°C, T A
  • Wide input voltage range: 4.5 V to 40 V
  • Thermal sharing by external shunt resistor
  • Low supply current in fault mode
  • Single high-precision current regulation:
    • Up to 300-mA current output
    • ±5% accuracy over full temperature range
    • Current setting by resistor
    • PWM pin for brightness control
  • Low dropout voltage:
    • Maximum dropout: 300mV for 150 mA
    • Maximum dropout: 600mV for 300 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 one-fails-all-fail
    • 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, T A
  • Wide input voltage range: 4.5 V to 40 V
  • Thermal sharing by external shunt resistor
  • Low supply current in fault mode
  • Single high-precision current regulation:
    • Up to 300-mA current output
    • ±5% accuracy over full temperature range
    • Current setting by resistor
    • PWM pin for brightness control
  • Low dropout voltage:
    • Maximum dropout: 300mV for 150 mA
    • Maximum dropout: 600mV for 300 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 one-fails-all-fail
    • Thermal shutdown
  • Operation junction temperature range:–40°C to 150°C

The TPS92621-Q1 single-channel LED driver includes a unique thermal management design to reduce temperature rising on the device. The TPS92621-Q1 is a linear driver directly powered by automotive batteries with large voltage variations to output full current loads up to 300 mA. Shunt resistor is 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 TPS92621-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 TPS92621-Q1 single-channel LED driver includes a unique thermal management design to reduce temperature rising on the device. The TPS92621-Q1 is a linear driver directly powered by automotive batteries with large voltage variations to output full current loads up to 300 mA. Shunt resistor is 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 TPS92621-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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類型 標題 日期
* Data sheet TPS92621-Q1 Single-Channel, Automotive, High Side LED Driver with Thermal Sharing datasheet PDF | HTML 2023年 4月 5日
EVM User's guide TPS92621-Q1 Evaluation Module User's Guide PDF | HTML 2023年 7月 26日
Certificate TPS92621Q1EVM EU Declaration of Conformity (DoC) 2023年 7月 24日

設計與開發

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開發板

TPS92621Q1EVM — 適用於具有熱共享功能的單通道 40V 高壓側 LED 驅動器的 TPS92621-Q1 評估模組

TPS92621Q1EVM 可協助設計人員評估 TPS92621-Q1 的運作和性能，其為一款線性單通道 LED 驅動器，具有適用於汽車照明應用的完整 LED 診斷功能。在汽車照明終端設備中使用線性 LED 驅動器時，散熱是設計的一大挑戰。TPS92621-Q1 可協助應對這些挑戰，而 TPS92621Q1EVM 則可以驗證這些功能。

使用指南: PDF | HTML
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