Linear LED Drivers | NCV7691

用于汽车 LED 灯的电流控制器

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NCV7691 器件使用一个外部 NPN 双极器件组合反馈电阻来调节电流，用于驱动 LED。此器件的目标应用为汽车尾灯组合。单驱动器让用户能够为多沟道系统灵活添加单个沟道。专用调光功能通过 PWM 输入引脚实现。检测到开路负载或短路时，将关断单个驱动器。 LED 亮度使用与双极晶体管串行连接的外部电阻进行轻松编程。该电阻的使用让用户能够在较宽的电流范围内灵活使用该器件。多个串联 LED 组可使用一个 NCV7691 器件运行。回退功率限制降低了过电压条件下的驱动电流。该器件采用 SSOP-8 封装。

  • Rear Combination Lamps (RCL)
  • Daytime Running Lights (DRL)
  • Fog Lights
  • Center High Mounted Stop Lamps (CHMSL) Arrays
  • Turn Signal and Other Externally Modulated Applications
  • General Automotive Linear Current LED Driver
  • Lighting Module
  • Tail Lights
  • Low Power Exterior Lighting
  • Interior Lighting
  • Constant Current Output for LED String Drive
  • External Bipolar Device for Wide Current Range Flexibility
    - With BCP56 Transistor, Can Drive 8 Strings Concurrently (ref. Datasheet Info)
  • External Programming Current Resistor
  • Pulse Width Modulation (PWM) Control
  • Negative Temperature Coefficient Current Control Option
  • Open LED String Diagnostic
  • Short−Circuit LED string Diagnostic
  • Multiple LED String Control
  • Overvoltage Set Back Power Limitation
  • AEC Q100 Qualified

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IO Max (mA)

LEDs in Series, Max #

LEDs in Parallel, Max #

Reference Price

NCV7691D10R2G

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CAD Model

Pb

A

H

P

SOIC-8

751AZ

2

260

REEL

3000

Y

50

null

4

24

$0.2937

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