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PT16976 - Automotive LED Current Controller

General Description

PT16976 is a linear LED controller for automotive exterior lighting.

The controller drives an external NPN transistor to regulate a current for LED lamps.

The typical application of the device is a rear combination lamps for automotive.

Key Features

  • include open load and short circuit protection, the controller is turned off when an open load or short circuit is detected. The device is available in a SOP8 package.

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Datasheet Details

Part number PT16976
Manufacturer PTC
File Size 1.51 MB
Description Automotive LED Current Controller
Datasheet download datasheet PT16976 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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DESCRIPTION PT16976 is a linear LED controller for automotive exterior lighting. The controller drives an external NPN transistor to regulate a current for LED lamps. The typical application of the device is a rear combination lamps for automotive. A single driver gives the user flexibility to add single channels to multichannel systems. LED brightness can be easily programmed using a single resistor in series with the NPN transistor. It gives the user the flexibility to use the device over a wide range of currents. A single controller can drive multiple strings of LEDs. The controller provides a dedicated dimming function via the PWM input. Setback current limit function helps to reduce the device power consumption during overvoltage conditions.