Product details

Number of channels (#) 18 LED current per channel (mA) 50 LED configuration Matrix Program memory Yes Programmable ramp control Vin (Min) (V) 2.7 Vin (Max) (V) 5.5 Iout (Max) (A) 0.9 Features Analog/PWM Mixed Dimming, Constant Current, Current Control, Enable/Shutdown, I2C Control, PWM control, Thermal shutdown Iq (Typ) (mA) 3 Shutdown current (Typ) (uA) 1 Operating temperature range (C) -40 to 85 Rating Catalog
Number of channels (#) 18 LED current per channel (mA) 50 LED configuration Matrix Program memory Yes Programmable ramp control Vin (Min) (V) 2.7 Vin (Max) (V) 5.5 Iout (Max) (A) 0.9 Features Analog/PWM Mixed Dimming, Constant Current, Current Control, Enable/Shutdown, I2C Control, PWM control, Thermal shutdown Iq (Typ) (mA) 3 Shutdown current (Typ) (uA) 1 Operating temperature range (C) -40 to 85 Rating Catalog
VQFN (RKP) 40 25 mm² 5 x 5
  • LED matrix topology:

    • 18 constant current sinks with 11 scan switches for 198 LED dots
    • Configurable for 1 to 11 scan switches

  • Operating voltage range:
    • VCC/VLED range: 2.7 V to 5.5 V
    • Logic pins compatible with 1.8 V, 3.3 V, and 5 V
  • 18 constant current sinks with high precision:
    • 0.1–50 mA per current sink when VCC ≥ 3.3 V
    • Device-to-device error: ±5%
    • Channel-to-channel error: ±5%
    • Phase-shift for balanced transient power
  • Ultra-low power consumption:
    • Shutdown mode: ICC ≤ 2 uA when EN = Low
    • Standby mode: ICC ≤ 10 uA when EN = High and CHIP_EN = 0 (data retained)
    • Active Mode: ICC = 3 mA (typ.) when channel current = 5 mA
  • Flexible dimming options:
    • Individual ON/OFF control for each LED dot
    • Analog dimming (current gain control)
      • Global 3-bit Maximum Current (MC) setting for all LED dots
      • 3 groups of 7-bit Color Current (CC) setting for red, green, and blue
      • Individual 8-bit Dot Current (DC) setting for each LED dot
    • PWM dimming with audible-noise-free frequency
      • Global 8-bit PWM dimming for all LED dots
      • 3 programmable groups of 8-bit PWM dimming for LED dot arbitrary mapping
      • Individual 8-bit or 16-bit PWM dimming for each LED dot
  • Full addressable SRAM to minimize data traffic
  • Individual LED dot open/short detection
  • Deghosting and low brightness compensation
  • Interface options:
    • 1-MHz (max.) I2C interface when IFS = Low
    • 12-MHz (max.) SPI interface when IFS = High
  • LED matrix topology:

    • 18 constant current sinks with 11 scan switches for 198 LED dots
    • Configurable for 1 to 11 scan switches

  • Operating voltage range:
    • VCC/VLED range: 2.7 V to 5.5 V
    • Logic pins compatible with 1.8 V, 3.3 V, and 5 V
  • 18 constant current sinks with high precision:
    • 0.1–50 mA per current sink when VCC ≥ 3.3 V
    • Device-to-device error: ±5%
    • Channel-to-channel error: ±5%
    • Phase-shift for balanced transient power
  • Ultra-low power consumption:
    • Shutdown mode: ICC ≤ 2 uA when EN = Low
    • Standby mode: ICC ≤ 10 uA when EN = High and CHIP_EN = 0 (data retained)
    • Active Mode: ICC = 3 mA (typ.) when channel current = 5 mA
  • Flexible dimming options:
    • Individual ON/OFF control for each LED dot
    • Analog dimming (current gain control)
      • Global 3-bit Maximum Current (MC) setting for all LED dots
      • 3 groups of 7-bit Color Current (CC) setting for red, green, and blue
      • Individual 8-bit Dot Current (DC) setting for each LED dot
    • PWM dimming with audible-noise-free frequency
      • Global 8-bit PWM dimming for all LED dots
      • 3 programmable groups of 8-bit PWM dimming for LED dot arbitrary mapping
      • Individual 8-bit or 16-bit PWM dimming for each LED dot
  • Full addressable SRAM to minimize data traffic
  • Individual LED dot open/short detection
  • Deghosting and low brightness compensation
  • Interface options:
    • 1-MHz (max.) I2C interface when IFS = Low
    • 12-MHz (max.) SPI interface when IFS = High

Electronic devices are becoming smarter, requiring to use larger quantity of LEDs for animation and indication purposes and high performance LED matrix driver is required to improve user experience with small solution size.

The LP586x devices are a family of high performance LED matrix drivers. It integrates 18 constant current sinks with N (N = 1/2/4/6/8/11) switching MOSFETs to support N×18 LED dots or N × 6 RGB LEDs. The LP5860 integrates 11 MOSFETs for up to 198 LED dots or 66 RGB LEDs.

The LP5860 supports both analog dimming and PWM dimming methods. For analog dimming, each LED dot can be adjusted with 256 steps. For PWM dimming, the integrated 8-bit or 16-bit configurable PWM generators enable smooth and audible-noise-free dimming control. Each LED dot can also be arbitrarily mapped into 8-bit Group PWM to achieve dimming control together.

The LP5860 device implements full addressable SRAM to minimize the data traffic. The ghost-cancellation circuitry is integrated to eliminate both upside and downside ghosting. The LP5860 also supports LED open and short detection functions. Both 1-MHz (max.) I2C and 12-MHz (max.) SPI are available in LP5860.

Electronic devices are becoming smarter, requiring to use larger quantity of LEDs for animation and indication purposes and high performance LED matrix driver is required to improve user experience with small solution size.

The LP586x devices are a family of high performance LED matrix drivers. It integrates 18 constant current sinks with N (N = 1/2/4/6/8/11) switching MOSFETs to support N×18 LED dots or N × 6 RGB LEDs. The LP5860 integrates 11 MOSFETs for up to 198 LED dots or 66 RGB LEDs.

The LP5860 supports both analog dimming and PWM dimming methods. For analog dimming, each LED dot can be adjusted with 256 steps. For PWM dimming, the integrated 8-bit or 16-bit configurable PWM generators enable smooth and audible-noise-free dimming control. Each LED dot can also be arbitrarily mapped into 8-bit Group PWM to achieve dimming control together.

The LP5860 device implements full addressable SRAM to minimize the data traffic. The ghost-cancellation circuitry is integrated to eliminate both upside and downside ghosting. The LP5860 also supports LED open and short detection functions. Both 1-MHz (max.) I2C and 12-MHz (max.) SPI are available in LP5860.

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Technical documentation

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Type Title Date
* Data sheet LP5860 11 × 18 LED Matrix Driver with 8-bit Analog and 8-/16-bit PWM Dimming datasheet 19 May 2021
User guide LP5860 Evaluation Module 26 May 2021
Certificate LP5860EVM EU RoHS Declaration of Conformity (DoC) 26 May 2021
User guide LP5860 11 × 18 LED Matrix Driver Register Maps 18 May 2021
Technical article Here's how body electronics and lighting technology are changing the driving experience 26 Sep 2016
Technical article LED brightness adjustment: high-frequency PWM dimming 26 Aug 2016
Technical article Take better selfies with innovative LED flashes 18 Nov 2014
Technical article Solving the automotive EMI issues in new cars with all the screens 11 Sep 2014

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Evaluation board

LP5860EVM — LP5860 evaluation module for 11 × 18 LED matrix driver dimming

The LP5860EVM is used to evaluate the characteristics, operation, and usage for LED matrix driver LP5860. The LP5860 device is a high performance and small size solution, which integrates 18 constant current sinks with 11 switching MOSFETs, to drive up to 198 LED dots or 66 RGB LED pixels. Every LED (...)

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PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
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