Linear LED Drivers | NCV7683

LED 驱动器，汽车，八路，100 mA 序列

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NCV7683 由八个 100 mA 线性可编程恒定电流源组成。该零部件适用于汽车应用中基于 LED 的 后尾组合灯调节和控制以及闪烁功能。带有 NCV7683 的系统设计可实现两种截止编程水平（100% 占空比）和尾部照明（可编程占空比），还可以实施可选的外部 PWM 控制。 LED 亮度可通过两个外部电阻轻松编程（截止编程为绝对电流值，尾部编程为占空比）。可选外部镇流器 FET 的使用可在需要高电流的设计上实现功率分配。回退功率限制降低了过电压条件下的驱动电流。这对于不使用外部 FET 的低功率应用最有用。 序列功能通过单独的引脚进行激活、控制和编程。除了系列间隔的编程以外，该器件还可以安排 8 个单输出沟道、4 个成对输出沟道、2 个四输出沟道或一次所有 8个沟道的序列（用于高电流下的多个集成电路）。 此器件的增强功能是一款全局启用功能和显示序列。 该器件采用带有裸露焊盘的 SSOP−24 封装。

  • Automotive Rear Combination Lamps
  • Automotive Daytime Running Lights
  • Automotive Fog Lights
  • Automotive Center High Mounted Stop Lamps (CHMSL)
  • Turn Signal and Other Externally Modulated Applications
  • Signature Lamp
  • Automobile
  • Constant Current Outputs for LED String Drive
  • LED Drive Current up to 100mA per Channel
  • Open LED String Diagnostic with Open-Drain Output in All Modes
  • Slew Rate Control
  • Low Dropout Operation
  • External Modulation Capable.
  • On-Chip 800 Hz Tail PWM Dimming
  • Single Resistor for Stop Current Set Point
  • Single Resistor for Tail Dimming Set Point
  • Overvoltage Set Back Power Limitation
  • AEC-Q100 Qualified and PPAP Capable
  • SSOP-24 Fused Lead Package with Exposed Pad
  • Improved EMC Performance
  • Programmable Latch-Off function on Open String
  • Overtemperature Fault Reporting
  • Global Enable
  • Display Sequencing

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Reference Price

NCV7683DQR2G

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CAD Model

Pb

A

H

P

SSOP-24 NB EP

940AP

3

260

REEL

2500

Y

40

200

4

24

$1.1957

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