LED 驱动器,汽车,八路,100 mA

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NCV7681 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 NCV7681 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)。使用可选外部镇流器 FET,以便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。 该器件采用裸露焊盘的 SSOP-16 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 800Hz 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
  • 16 Lead SOICW with exposed pad
  • Improved EMC Performance
  • Programmable Latch-Off function on Open String (NCV7681L)
  • Overtemperature Fault Reporting

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NCV7681APWR2G

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CAD Model

Pb

A

H

P

SOIC-16 WB EP

3

260

REEL

1000

Y

40

100

3

8

$1.4108

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NCV7681LPWR2G

Loading...

Active, Not Rec

CAD Model

Pb

A

H

P

SOIC-16 WB EP

3

260

REEL

1000

N

40

100

3

8

$1.5344

More Details

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