Product details

Number of channels (#) 48 LED current per channel (mA) 20 LED configuration Matrix Vin (Min) (V) 2.5 Vin (Max) (V) 5.5 Iout (Max) (A) 0.96 Features PWM Dimming, Constant Current, Current Control, Enable/Shutdown, SPI Control, Thermal shutdown Iq (Typ) (mA) 2.4 Operating temperature range (C) -40 to 85 Rating Catalog
Number of channels (#) 48 LED current per channel (mA) 20 LED configuration Matrix Vin (Min) (V) 2.5 Vin (Max) (V) 5.5 Iout (Max) (A) 0.96 Features PWM Dimming, Constant Current, Current Control, Enable/Shutdown, SPI Control, Thermal shutdown Iq (Typ) (mA) 2.4 Operating temperature range (C) -40 to 85 Rating Catalog
VQFN (RRF) 76 81 mm² 9 x 9
  • Separated VCC and VR/G/B power supply
    • VCC voltage range: 2.5 V–5.5 V
    • VR/G/B voltage range: 2.5 V–5.5 V
  • 48-current source channels from 0.2 mA–20 mA
    • Channel-to-channel accuracy: ±0.5% (typ.), ±2% (max.); device-to-device accuracy: ±0.5% (typ.), ±2% (max.)
    • Low knee voltage: 0.26 V (max.) when IOUT = 5 mA
    • 3-bits (8 steps) global brightness control
    • 8-bits (256 steps) color brightness control
    • Maximum 16-bits (65536 steps) PWM grayscale control
  • 16 scan line switches with 190-mΩ RDS(ON)
  • Ultra-low power consumption
    • Independent VCC down to 2.5 V
    • Lowest ICC down to 3.9 mA with 50-MHz GCLK
    • Intelligent power saving mode
  • Built-in SRAM to support 1 - 32 multiplexing,
    • Single device drives up to 16 × 48 LEDs or 16 × 16 RGB LEDs
    • Dual devices stackable drive up to 32 × 96 LEDs or 32 × 32 RGB LEDs
  • High speed and low EMI Continuous Clock Series Interface (CCSI)
    • Only three wires: SCLK/SIN/SOUT
    • External 50-MHz (max.) SCLK
    • Internal frequency multiplier to support GCLK range from 40 MHz–160 MHz
  • Optimized display performance
    • Upside and downside ghosting removal
    • Low grayscale enhancement
    • LED open, short, and weak short detection and removal
  • Separated VCC and VR/G/B power supply
    • VCC voltage range: 2.5 V–5.5 V
    • VR/G/B voltage range: 2.5 V–5.5 V
  • 48-current source channels from 0.2 mA–20 mA
    • Channel-to-channel accuracy: ±0.5% (typ.), ±2% (max.); device-to-device accuracy: ±0.5% (typ.), ±2% (max.)
    • Low knee voltage: 0.26 V (max.) when IOUT = 5 mA
    • 3-bits (8 steps) global brightness control
    • 8-bits (256 steps) color brightness control
    • Maximum 16-bits (65536 steps) PWM grayscale control
  • 16 scan line switches with 190-mΩ RDS(ON)
  • Ultra-low power consumption
    • Independent VCC down to 2.5 V
    • Lowest ICC down to 3.9 mA with 50-MHz GCLK
    • Intelligent power saving mode
  • Built-in SRAM to support 1 - 32 multiplexing,
    • Single device drives up to 16 × 48 LEDs or 16 × 16 RGB LEDs
    • Dual devices stackable drive up to 32 × 96 LEDs or 32 × 32 RGB LEDs
  • High speed and low EMI Continuous Clock Series Interface (CCSI)
    • Only three wires: SCLK/SIN/SOUT
    • External 50-MHz (max.) SCLK
    • Internal frequency multiplier to support GCLK range from 40 MHz–160 MHz
  • Optimized display performance
    • Upside and downside ghosting removal
    • Low grayscale enhancement
    • LED open, short, and weak short detection and removal

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 LP5890 is a highly integrated common cathode matrix LED display driver with 48 constant current sources and 16 scanning FETs. A single LP5890 is capable of driving 16 × 16 RGB LED pixels while stacking two LP5890s can drive 32 × 32 RGB LED pixels. To achieve low power consumption, the device supports separated power supplies for the red, green, and blue LEDs by its common cathode structure. Furthermore, the operation power of the LP5890 is significantly reduced by ultra-low operation voltage range (Vcc down to 2.5 V) and ultra-low operation current (Icc down to 3.9 mA).

The LP5890 implements a high speed transmission interface to support high device count daisy-chained and high refresh rate while minimizing electrical-magnetic interference (EMI). The device supports up to 50-MHz SCLK and up to 160-MHz GCLK (internal). Meanwhile, the device integrates enhanced circuits and intelligent algorithms to solve the various display challenges in multiple LED matrix applications: Upper and downside ghosting, Non-uniformity in low grayscale, Coupling, and Caterpillar caused by open or short LEDs, which make the LP5890 a perfect choice in such applications.

The LP5890 also implements LED open/weak short/short detections and removals during operations and can also report this information to the accompanying digital processor.

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 LP5890 is a highly integrated common cathode matrix LED display driver with 48 constant current sources and 16 scanning FETs. A single LP5890 is capable of driving 16 × 16 RGB LED pixels while stacking two LP5890s can drive 32 × 32 RGB LED pixels. To achieve low power consumption, the device supports separated power supplies for the red, green, and blue LEDs by its common cathode structure. Furthermore, the operation power of the LP5890 is significantly reduced by ultra-low operation voltage range (Vcc down to 2.5 V) and ultra-low operation current (Icc down to 3.9 mA).

The LP5890 implements a high speed transmission interface to support high device count daisy-chained and high refresh rate while minimizing electrical-magnetic interference (EMI). The device supports up to 50-MHz SCLK and up to 160-MHz GCLK (internal). Meanwhile, the device integrates enhanced circuits and intelligent algorithms to solve the various display challenges in multiple LED matrix applications: Upper and downside ghosting, Non-uniformity in low grayscale, Coupling, and Caterpillar caused by open or short LEDs, which make the LP5890 a perfect choice in such applications.

The LP5890 also implements LED open/weak short/short detections and removals during operations and can also report this information to the accompanying digital processor.

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Technical documentation

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Type Title Date
* Data sheet LP5890 16 × 48 LED Matrix Driver With Ultra-low Power datasheet 27 Jul 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

Design & development

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Evaluation board

TLC6983EVM — TLC6983 48x16 common cathode matrix LED display driver evaluation module

The TLC6983 evaluation module used as a reference for engineering demonstration and evaluation. Included in the user’s guide are setup instructions, a schematic diagram, printed board (PCB) layout and a bill of materials (BOM).

Simulation tool

PSPICE-FOR-TI — PSpice® for TI design and simulation tool

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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