LP8866-Q1 6-channel automotive display LED driver evaluation module


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The LP8866EVM helps designers to evaluate the characteristics, operation, and performance of the LP8866(S)-Q1 device, a 6-channel high-efficiency LED driver for automotive display LED backlighting. The LP8866(S)-Q1 device integrates a boost or SEPIC controller and six high-precision current sinks. The boost controller has adaptive output voltage control based on the headroom votlages of the LED current sinks. The six current sinks support phase shifting that is automatically adjusted based on the number of channels in use. LED brightness can be controlled through I2C interface or PWM input. The device also support extensive fault detection features.

  • Input voltage range 3 V to 48 V
  • Up to 48-V Vout boost controller
  • Six high-precision current sinks
  • Supports built-in phase-shift PWM dimming, hybrid dimming, current dimming and direct PWM dimming mode
  • LED brightness controlled globally through I2C interface or PWM input
  • Extensive fault diagnostics

  • LP8866EVM
  • USB2ANY kit

Automotive LED drivers
LP8866-Q1 Automotive display LED-backlight driver with six 200-mA channels LP8866S-Q1 Automotive display LED-backlight with six 150-mA channels


Backlight LED drivers
TPS92391 Boost/SEPIC high dimming performance LED driver with six 200-mA channels

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Evaluation board

LP8866EVM — LP8866-Q1 6-channel automotive display LED driver evaluation module

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GUI for evaluation module (EVM)

LP8866EVM-GUI-SW — LP8866EVM GUI software

GUI for evaluation module (EVM)

LP8866EVM-ONLINE-GUI-SW — LP8866EVM GUI - evaluate with live online version (Safari, Chrome or Mozilla Firefox)

TI's Standard Terms and Conditions for Evaluation Items apply.

Technical documentation

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Type Title Date
* EVM User's guide LP8866EVM User's Guide (Rev. A) Jun. 30, 2020
Certificate LP8866EVM EU Declaration of Conformity (DoC) Sep. 01, 2020

Related design resources

Hardware development

USB2ANY USB2ANY interface adapter

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