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LP8869-Q1

高集成度 3 通道 120mA 汽車類 LED 驅(qū)動(dòng)器; ? AEC-Q100 Qualified for automotive applications: \n? Device temperature grade 1: –40°C to +125°C, TA\n \n? Functional safety capable \n? Documentation available to aid functional safety system design \n \n? 3-, 4-Channel 120-mA current sinks \n? High dimming ratio of 10 000:1 at 100 Hz\n? Current matching 1% (typical) \n? LED String current up to 120 mA per channel\n? Outputs can be combined externally for higher current per string\n \n? Integrated boost and SEPIC converter for LED string power \n? Input voltage operating range 4.5 V to 40 V\n? Output voltage up to 45 V\n? Integrated 3.3-A Switch FET\n? Switching frequency 300 kHz to 2.2 MHz\n? Switching synchronization input\n? Spread spectrum for lower EMI\n \n? Fault detection and protection \n? Fault output\n? Input voltage OVP, UVLO and OCP\n? Boost block SW OVP and output OVP \n? LED open and short fault detection\n? Power-Line FET control for battery bus protection\n? Automatic LED current reduction with external temperature sensor\n? Thermal shutdown;

The LP8867-Q1, LP8869-Q1 is an automotive highly-integrated, low-EMI, easy-to-use LED driver with DC-DC converter. The DC-DC converter supports both boost and SEPIC mode operation. The device has four or three high-precision current sinks that can be combined for higher current capability.\n\nThe DC-DC converter has adaptive output voltage control based on the LED forward voltages. This feature minimizes the power consumption by adjusting the voltage to the lowest sufficient level in all conditions. For EMI reduction DC-DC supports spread spectrum for switching frequency and an external synchronization with dedicated pin. A wide-range adjustable frequency allows the LP886x-Q1 to avoid disturbance for sensitive frequency band.\n\nThe input voltage range for the LP886x-Q1 is from 4.5 V to 40 V to support automotive start-stop and load dump condition. The LP886x-Q1 integrates extensive fault detection features.

TITexas Instruments

德州儀器美國德州儀器公司

LP8869-Q1

LP8867-Q1, LP8869-Q1 Low EMI Automotive LED Driver with 4-, 3- Channels

TI1Texas Instruments

德州儀器美國德州儀器公司

LP8869-Q1

LP886x-Q1 Low EMI Automotive LED Driver with 4, 3 Channels

TI1Texas Instruments

德州儀器美國德州儀器公司

技術(shù)參數(shù)

  • Topology：

    Boost with Current Sink

  • Rating：

    Automotive

  • TI functional safety category：

    Functional Safety-Capable

  • Operating temperature range (C)：

    -40 to 125

  • Vin (Min) (V)：

    4.5

  • Vin (Max) (V)：

    40

  • Vout (Min) (V)：

    6

  • Vout (Max) (V)：

    45

  • Iout (Max) (A)：

    0.36

  • Iq (Typ) (mA)：

    4.5

  • Switching frequency (Max) (kHz)：

    2200

  • Features：

    Adjustable Switch Frequency

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TI
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更多LP8869-Q1供應(yīng)商 更新時(shí)間2025-7-29 15:01:00

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