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Drivers para pantallas LED

LP5892-Q1

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Controlador de matriz LED de 48 x 16 de corriente alta con atenuación PWM de 16 bits y potencia ultr

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LP5892-Q1

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Detalles del producto

Rating Automotive Operating temperature range (°C) -40 to 125
Rating Automotive Operating temperature range (°C) -40 to 125
VQFN (RRF) 76 81 mm² (9 mm × 9 mm)
  • AEC-Q100-qualified for automotive applications:
    • Temperature grade 1: –40°C to +125°C, TA
  • Separated VCC and VR/G/B power supply
    • VCC voltage range: 2.5V – 5.5V
    • VR/G/B voltage range: 2.5V – 5.5V
  • 48 current source channels from 0.2mA to 40mA
    • Channel-to-channel accuracy: ±0.5% (typ.), ±3% (max.); device-to-device accuracy: ±0.5% (typ.), ±2.5% (max.)
    • Low knee voltage: 0.27V (max.) when IOUT = 5mA
    • 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 190mΩ RDS(ON)
  • Ultra-low power consumption
    • Independent VCC down to 2.5V
    • Lowest ICC down to 3.6mA with 50MHz GCLK
    • Intelligent power saving mode with ICC down to 0.9mA
  • Built-in SRAM to support 1–64 multiplexing
    • Single device to support 48 × 16 LEDs or 16 × 16 RGB pixels
    • Dual devices stackable to support 96 × 32 LEDs or 32 × 32 RGB pixels
  • High speed and low EMI Continuous Clock Series Interface (CCSI)
    • Only three wires: SCLK / SIN / SOUT
    • External 50MHz (max.) SCLK with rising-edge transmission mechanism
    • Internal frequency multiplier to support high frequency GCLK
  • Optimized performances for LED matrix displays
    • Upside and downside ghosting removal
    • Low grayscale enhancement
    • LED open, weak-short, short detection and removal
  • AEC-Q100-qualified for automotive applications:
    • Temperature grade 1: –40°C to +125°C, TA
  • Separated VCC and VR/G/B power supply
    • VCC voltage range: 2.5V – 5.5V
    • VR/G/B voltage range: 2.5V – 5.5V
  • 48 current source channels from 0.2mA to 40mA
    • Channel-to-channel accuracy: ±0.5% (typ.), ±3% (max.); device-to-device accuracy: ±0.5% (typ.), ±2.5% (max.)
    • Low knee voltage: 0.27V (max.) when IOUT = 5mA
    • 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 190mΩ RDS(ON)
  • Ultra-low power consumption
    • Independent VCC down to 2.5V
    • Lowest ICC down to 3.6mA with 50MHz GCLK
    • Intelligent power saving mode with ICC down to 0.9mA
  • Built-in SRAM to support 1–64 multiplexing
    • Single device to support 48 × 16 LEDs or 16 × 16 RGB pixels
    • Dual devices stackable to support 96 × 32 LEDs or 32 × 32 RGB pixels
  • High speed and low EMI Continuous Clock Series Interface (CCSI)
    • Only three wires: SCLK / SIN / SOUT
    • External 50MHz (max.) SCLK with rising-edge transmission mechanism
    • Internal frequency multiplier to support high frequency GCLK
  • Optimized performances for LED matrix displays
    • Upside and downside ghosting removal
    • Low grayscale enhancement
    • LED open, weak-short, short detection and removal

The LP5892-Q1 is a highly integrated common cathode matrix LED display driver with 48 constant current sources and 16 scanning FETs. One LP5892-Q1 supports to drive 16 × 16 RGB pixels and two LP5892-Q1 devices support to drive 32 × 32 RGB 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 LP5892-Q1 is significantly reduced by ultra-low operation voltage range (Vcc down to 2.5V) and ultra-low operation current (Icc down to 3.6mA).

The LP5892-Q1 implements a high speed rising-edge transmission interface to support high device count daisy-chained and high refresh rate while minimizing electrical-magnetic interference (EMI). The device supports up to 50MHz SCLK (external) and up to 160 MHz GCLK (internal). Meanwhile, the device integrates enhanced circuits and intelligent algorithms to solve the various display challenges in Narrow Pixel Pitch (NPP) LED display applications and mini and micro-LED products: dim at the first scan line, upper and downside ghosting, non-uniformity in low grayscale, coupling, caterpillar caused by open or short LEDs, which make the LP5892-Q1 a perfect choice in such applications.

The LP5892-Q1 also implements LED open/weak short/short detections and removals during operations and can also report those information out to the accompanying digital processor.

The LP5892-Q1 is a highly integrated common cathode matrix LED display driver with 48 constant current sources and 16 scanning FETs. One LP5892-Q1 supports to drive 16 × 16 RGB pixels and two LP5892-Q1 devices support to drive 32 × 32 RGB 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 LP5892-Q1 is significantly reduced by ultra-low operation voltage range (Vcc down to 2.5V) and ultra-low operation current (Icc down to 3.6mA).

The LP5892-Q1 implements a high speed rising-edge transmission interface to support high device count daisy-chained and high refresh rate while minimizing electrical-magnetic interference (EMI). The device supports up to 50MHz SCLK (external) and up to 160 MHz GCLK (internal). Meanwhile, the device integrates enhanced circuits and intelligent algorithms to solve the various display challenges in Narrow Pixel Pitch (NPP) LED display applications and mini and micro-LED products: dim at the first scan line, upper and downside ghosting, non-uniformity in low grayscale, coupling, caterpillar caused by open or short LEDs, which make the LP5892-Q1 a perfect choice in such applications.

The LP5892-Q1 also implements LED open/weak short/short detections and removals during operations and can also report those information out to the accompanying digital processor.
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* Hoja de datos LP5892-Q1 Automotive 48 Current Sources, 32 Scans, Common Cathode LED Matrix Driver datasheet PDF | HTML 2/02/2025

Diseño y desarrollo

Para conocer los términos adicionales o los recursos necesarios, haga clic en cualquier título de abajo para ver la página de detalles cuando esté disponible.

Placa de evaluación

LP5891Q1EVM — Módulo de evaluación LP5891-Q1 para controlador de pantalla LED de matriz de cátodo común de 48 por

El módulo de evaluación (EVM) LP5891-Q1 se utiliza para evaluar las características, el funcionamiento y el uso del controlador de pantalla LED matricial LP5891-Q1. El LP5891-Q1 es un controlador de pantalla LED matricial de cátodo común altamente integrado con 48 fuentes de corriente constante y (...)

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Productos y hardware compatibles
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Software de aplicación y estructura

LP5891Q1EVM-SW-F280039C — Reference code for LP5891-Q1 EVM based on TMS320F280039C (LAUNCHXL-F280039C)

This reference code showcases the ability of the TMS320F280039C device to communicate with the LP5891-Q1 LED driver. The code configures the MCU using CLB to drive a 16x16 RGB LED matrix which is available on the LP5891Q1EVM.
Productos y hardware compatibles
Encapsulado Pines Símbolos CAD, huellas y modelos 3D
VQFN (RRF) 76 Ultra Librarian
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