TPS61194-Q1 4-Channel LED Driver for Automotive Lighting Evaluation Module


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The TPS61194Q1EVM evaluation module (EVM) helps designers evaluate the operation and performance of this device.  The  TPS61194Q1EVM uses the TPS61194-Q1 to drive up to 4 LED strings (up to 12 LEDs each, 36 LEDs together) for LCD backlighting with high efficiency.  Information about output voltage and current ratings of TPS61194Q1EVM can also be found in the TPS61194-Q1 datasheet.  Power supply connection for the battery and test points for each signal can be found on the evaluation board.  LED brightness can be controlled by external PWM signal.  Separate LED board can be used as a load or it is possible to connect LCD panel to the output connector.

  • Input voltage 4.5 to 40V
  • Output voltage up to 45V
  • Four LED channels
  • Output current 100 mA/channel
  • Switching frequency 300 kHz to 2.2 MHz
Automotive LED drivers
TPS61194-Q1 Low-EMI, high-performance 4-channel LED driver for Automotive lighting

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Evaluation board

TPS61194Q1EVM – TPS61194-Q1 4-Channel LED Driver for Automotive Lighting Evaluation Module

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Technical documentation

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Type Title Date
* Datasheet TPS61194-Q1 Low-EMI Automotive LED Driver With Four 100-mA Channels datasheet (Rev. D) Jun. 09, 2017
* User guide Using the TPS61194xEVM Evaluation Module Jan. 05, 2016
More literature TPS61194Q1EVM EU Declaration of Conformity (DoC) Jan. 02, 2019

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