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LP5891-Q1

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Automotive 48 x 16 matrix LED driver with 16-bits pulse width modulation dimming

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Data sheet

LP5891-Q1

ACTIVE
Data sheet Order now

Product details

Number of channels 16, 48 Topology Current Sink Rating Automotive Operating temperature range (°C) -40 to 125 Vin (min) (V) 2.5 Vin (max) (V) 5.5 Vout (min) (V) 2.5 Vout (max) (V) 5.5 Iout (max) (A) 0.96 Iq (typ) (mA) 5.5 Features LOD, LSD, De-ghosting, Intelligent power-saving mode
Number of channels 16, 48 Topology Current Sink Rating Automotive Operating temperature range (°C) -40 to 125 Vin (min) (V) 2.5 Vin (max) (V) 5.5 Vout (min) (V) 2.5 Vout (max) (V) 5.5 Iout (max) (A) 0.96 Iq (typ) (mA) 5.5 Features LOD, LSD, De-ghosting, Intelligent power-saving mode
VQFN (RRF) 76 81 mm² 9 x 9
  • 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: 2.5 V – 5.5 V
    • VR/G/B voltage range: 2.5 V – 5.5 V
  • 48 current source channels from 0.2 mA to 20 mA
    • Channel-to-channel accuracy: ±0.5% (typ.), ±2% (max.); device-to-device accuracy: ±0.5% (typ.), ±2% (max.)
    • Low knee voltage: 0.27 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 3.6 mA with 50-MHz GCLK
    • Intelligent power saving mode with ICC down to 0.9 mA
  • 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
    • Three devices stackable to support 144 × 48 LEDs or 48 × 48 RGB pixels
    • Four devices stackable to support 192 × 64 LEDs or 64 × 64 RGB pixels
  • High speed and low EMI Continuous Clock Series Interface (CCSI)
    • Only three wires: SCLK / SIN / SOUT
    • External 50-MHz (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: 2.5 V – 5.5 V
    • VR/G/B voltage range: 2.5 V – 5.5 V
  • 48 current source channels from 0.2 mA to 20 mA
    • Channel-to-channel accuracy: ±0.5% (typ.), ±2% (max.); device-to-device accuracy: ±0.5% (typ.), ±2% (max.)
    • Low knee voltage: 0.27 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 3.6 mA with 50-MHz GCLK
    • Intelligent power saving mode with ICC down to 0.9 mA
  • 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
    • Three devices stackable to support 144 × 48 LEDs or 48 × 48 RGB pixels
    • Four devices stackable to support 192 × 64 LEDs or 64 × 64 RGB pixels
  • High speed and low EMI Continuous Clock Series Interface (CCSI)
    • Only three wires: SCLK / SIN / SOUT
    • External 50-MHz (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 LP5891-Q1 is a highly integrated, common-cathode LED matrix driver with 48 constant current sources and 16 scanning FETs. The LP5891-Q1 implements a high speed rising-edge transmission interface to support high device count daisy-chained while minimizing electrical-magnetic interference (EMI) and internal GCLK rate ranges from 40 MHz to 160 MHz. The device also implements LED open/weak-short/short detections and removals during operations.

The LP5891-Q1 is a highly integrated common cathode matrix LED display driver with 48 constant current sources and 16 scanning FETs. Besides driving 16 × 16 and 32 × 32 RGB LED pixels as LP5890, three LP5891-Q1 devices are capable of driving 48 × 48 RGB LED pixels and stacking four LP5891-Q1 devices can drive 64 × 64 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 LP5891-Q1 is significantly reduced by ultra-low operation voltage range (Vcc down to 2.5 V) and ultra-low operation current (Icc down to 3.6 mA).

The LP5891-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 50-MHz 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 LP5891-Q1 a perfect choice in such applications.

The LP5891-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 LP5891-Q1 is a highly integrated, common-cathode LED matrix driver with 48 constant current sources and 16 scanning FETs. The LP5891-Q1 implements a high speed rising-edge transmission interface to support high device count daisy-chained while minimizing electrical-magnetic interference (EMI) and internal GCLK rate ranges from 40 MHz to 160 MHz. The device also implements LED open/weak-short/short detections and removals during operations.

The LP5891-Q1 is a highly integrated common cathode matrix LED display driver with 48 constant current sources and 16 scanning FETs. Besides driving 16 × 16 and 32 × 32 RGB LED pixels as LP5890, three LP5891-Q1 devices are capable of driving 48 × 48 RGB LED pixels and stacking four LP5891-Q1 devices can drive 64 × 64 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 LP5891-Q1 is significantly reduced by ultra-low operation voltage range (Vcc down to 2.5 V) and ultra-low operation current (Icc down to 3.6 mA).

The LP5891-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 50-MHz 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 LP5891-Q1 a perfect choice in such applications.

The LP5891-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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Technical documentation

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Type Title Date
* Data sheet LP5891-Q1 Automotive 48 Current Sources, 64 Scans, Common Cathode LED Matrix Driver datasheet (Rev. A) PDF | HTML 19 Dec 2022
User guide LP589x(-Q1)/TLC698x Sample Code User's Guide (Rev. A) PDF | HTML 06 Sep 2024
EVM User's guide LP5891-Q1 48 × 16 Common Cathode Matrix LED Display Driver Evaluation Module (Rev. A) PDF | HTML 24 Apr 2024
Certificate LP5891Q1EVM EU RoHS Declaration of Conformity (DoC) 19 Sep 2022

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

LP5891Q1EVM — LP5891-Q1 evaluation module for 48 by 16 common cathode matrix LED display driver

The LP5891-Q1 evaluation module (EVM) is used to evaluate the characteristics, operation, and usage for matrix LED display driver LP5891-Q1. The LP5891-Q1 is a highly integrated, common cathode matrix LED display driver with 48 constant current sources and 16 scanning FETs. The LP5891-Q1 is (...)

User guide: PDF | HTML
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Application software & framework

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.
Supported products & hardware

Supported products & hardware

Products
Automotive LED drivers
LP5891-Q1 — Automotive 48 x 16 matrix LED driver with 16-bits pulse width modulation dimming
RGB LED drivers
LP5891 — 48 × 16 LED matrix driver with 16-bits PWM dimming and ultra low power
Hardware development
Evaluation board
LP5891Q1EVM — LP5891-Q1 evaluation module for 48 by 16 common cathode matrix LED display driver LP5891EVM — LP5891 evaluation module for 48 by 16 common cathode matrix LED display driver
Download options
Application software & framework

LP5899DYYEVM-LP5891-F280039C-SW — LP5899 reference code pairing with LP5891(-Q1) based on TMS320F280039C (LAUNCHXL-F280039C)

This reference code showcases the ability of the TMS320F280039C device to communicate with the LP5899(-Q1) paired with LP5891(-Q1) LED driver. The code configures the MCU using SPI to drive the LEDs on the LP5891(Q1)EVM.
Supported products & hardware

Supported products & hardware

Products
Automotive LED drivers
LP5899-Q1 — Automotive, bridge between SPI and LP589x-Q1 display LED matrix driver LP5891-Q1 — Automotive 48 x 16 matrix LED driver with 16-bits pulse width modulation dimming
RGB LED drivers
LP5891 — 48 × 16 LED matrix driver with 16-bits PWM dimming and ultra low power
Hardware development
Evaluation board
LP5891EVM — LP5891 evaluation module for 48 by 16 common cathode matrix LED display driver LP5891Q1EVM — LP5891-Q1 evaluation module for 48 by 16 common cathode matrix LED display driver
Download options
Calculation tool

SLDR007 — LP5891 Registers Map Generator

Supported products & hardware

Supported products & hardware

Products
Automotive LED drivers
LP5891-Q1 — Automotive 48 x 16 matrix LED driver with 16-bits pulse width modulation dimming
RGB LED drivers
LP5891 — 48 × 16 LED matrix driver with 16-bits PWM dimming and ultra low power
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