Two-Channel Automotive LED Buck Driver

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Two-channel Automotive LED Buck Driver

ASL2416SHN: Two-channel Automotive LED Buck Driver

Led Lighting System Block Diagram

Led Lighting System Block Diagram

Features

Key Features

  • The ASL2416SHN is an automotive grade product that is AEC-Q100 grade 1 qualified
  • Operating ambient temperature range of -40 °C to +125 °C
  • Wide operating input voltage range from +10 V to +80 V
  • Able to drive up to 20 LEDs, wide operating LED voltage range regulated from 2.5 V to 70 V
  • Output current of up to and above 1.5 A with high LED current accuracy of ±5 % over the complete operating temperature range
  • Output current programmable via SPI interface
  • Read back programmed current via SPI
  • Two output current ranges, programmable via SPI interface with 5 % accuracy
  • Hysteretic converter
  • Fast gate drive for high efficiency
  • Gate driver with level shifter
  • Programmable internal gate driver voltage regulator
  • Support logic level and standard level FETs
  • Integrated bootstrap diode
  • PWM inputs for individual dimming of each channel
  • Low Electro Magnetic Emission (EME) and high Electro Magnetic Immunity (EMI)
  • Input voltage monitoring and input under voltage protection
  • Output voltage monitoring
  • Control signal to enable the device
  • Junction temperature monitoring via SPI
  • Small package outline HVQFN32
  • Low quiescent current <5 μA at 25 °C when EN = 0
  • Short-circuit and open-circuit output protection

部品番号: ASL2416SHN, ASL2417SHN.

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