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汽車 LED 驅動器

TPS92620-Q1

現行

具熱共享功能的車用二通道高電流 40-V 高壓側 LED 驅動器

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產品規格表

TPS92620-Q1

現行
產品規格表 立即訂購

產品詳細資料

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) 0.5 Iq (typ) (mA) 1.2 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) 0.5 Iq (typ) (mA) 1.2 Features Thermal Sharing, Fault Detection, Fault Diagnostic, LED Open Detection, LED Short to Ground Detection, PWM Dimming, Thermal shutdown
HVSSOP (DGN) 12 19.6 mm² 4 x 4.9 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: 4.5V to 40V
  • Thermal sharing by external shunt resistor
  • Low supply current in fault mode
  • Ultra low shutdown current in sleep mode (only for HVSSOP package)
  • Two high-precision current regulation:
    • Up to 250mA 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: 600mV for 250mA
  • 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: 4.5V to 40V
  • Thermal sharing by external shunt resistor
  • Low supply current in fault mode
  • Ultra low shutdown current in sleep mode (only for HVSSOP package)
  • Two high-precision current regulation:
    • Up to 250mA 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: 600mV for 250mA
  • 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 TPS92620-Q1 two-channel LED driver includes an unique thermal management design to reduce temperature rising on the device. The TPS92620-Q1 is a linear driver directly powered by automotive batteries with large voltage variations to output full current loads up to 250mA 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 TPS92620-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 TPS92620-Q1 two-channel LED driver includes an unique thermal management design to reduce temperature rising on the device. The TPS92620-Q1 is a linear driver directly powered by automotive batteries with large voltage variations to output full current loads up to 250mA 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 TPS92620-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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* Data sheet TPS92620-Q1 Two -Channel, Automotive, High-Side LED Driver with Thermal Sharing datasheet (Rev. A) PDF | HTML 2023年 11月 9日
Certificate TPS92620Q1EVM EU RoHS Declaration of Conformity (DoC) 2022年 9月 7日
EVM User's guide TPS92620Q1EVM User's Guide PDF | HTML 2022年 8月 31日

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TPS92620Q1EVM — 適用於二通道高電流 40-V 高壓側 LED 驅動器的 TPS92620-Q1 評估模組

TPS92620-Q1 評估模組 (EVM) 協助設計人員評估 TPS92620-Q1 的操作和性能，這是一款適合汽車照明應用之具全 LED 診斷功能的線性二通道 LED 驅動器。

使用指南: PDF | HTML
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