LP5890RRFR
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Texas Instruments LP5890RRFR

Manufacturer No:
LP5890RRFR
Manufacturer:
Texas Instruments
Package:
Tape & Reel (TR)
Description:
IC LED DRVR LIN NO 20MA 76VQFN
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The LP5890RRFR, produced by Texas Instruments, is a highly integrated common cathode matrix LED display driver designed to drive large LED matrices efficiently. This device is capable of driving up to 16 × 48 LEDs or 16 × 16 RGB LEDs, and when stacked, two LP5890s can drive up to 32 × 96 LEDs or 32 × 32 RGB LEDs. It features ultra-low power consumption, with an operation voltage range of 2.5 V to 5.5 V and an ultra-low operation current down to 3.9 mA. The LP5890RRFR is optimized for high-performance LED display applications, including LED digital signage, gaming accessories, smart home appliances, and various audio equipment.

Key Specifications

Parameter Min Max Unit
VCC Voltage Range 2.5 5.5 V
VR/G/B Voltage Range 2.5 5.5 V
Operating Junction Temperature (TJ) -40 150 °C
Storage Temperature (Tstg) -55 150 °C
External SCLK Frequency 50 MHz
Internal GCLK Frequency 40 160 MHz
ICC (Operation Current) 3.9 mA
Channel Current Range 0.2 20 mA
Package Types VQFN (76 pins) BGA (96 pins)

Key Features

  • Separated VCC and VR/G/B power supply for efficient power management.
  • High-speed and low EMI Continuous Clock Series Interface (CCSI) with only three wires: SCLK/SIN/SOUT.
  • Supports up to 50-MHz external SCLK and up to 160-MHz internal GCLK.
  • Optimized display performance with upside and downside ghosting removal, low grayscale enhancement, and LED open, short, and weak short detection and removal.
  • Independent and stackable operation modes, allowing up to three devices to be stacked for larger LED matrices.
  • Per channel current adjustable from 0.2 mA to 20 mA with 8-step global brightness control and 256-step per-color group brightness control.
  • Ultra-low power consumption with operation voltage down to 2.5 V and operation current down to 3.9 mA.

Applications

  • LED digital signage.
  • Keyboard and gaming accessories.
  • Major and smart home appliances.
  • Smart speakers, wired and wireless speakers.
  • Audio mixers, DJ equipment, and broadcast equipment.
  • Access equipment, switches, and servers.

Q & A

  1. What is the maximum number of LEDs the LP5890RRFR can drive?

    The LP5890RRFR can drive up to 16 × 48 LEDs or 16 × 16 RGB LEDs. When stacked, two devices can drive up to 32 × 96 LEDs or 32 × 32 RGB LEDs.

  2. What is the voltage range for VCC and VR/G/B?

    The voltage range for both VCC and VR/G/B is 2.5 V to 5.5 V.

  3. What is the maximum frequency of the external SCLK and internal GCLK?

    The external SCLK can operate up to 50 MHz, and the internal GCLK can operate up to 160 MHz.

  4. How does the LP5890RRFR manage power consumption?

    The device supports ultra-low operation voltage (down to 2.5 V) and ultra-low operation current (down to 3.9 mA), and it has separated power supplies for the red, green, and blue LEDs.

  5. What display challenges does the LP5890RRFR address?

    The LP5890RRFR addresses issues such as upside and downside ghosting, non-uniformity in low grayscale, coupling, and caterpillar effects caused by open or short LEDs.

  6. Can the LP5890RRFR detect and report LED faults?

    Yes, the LP5890RRFR can detect LED open, weak short, and short faults and report this information to the accompanying digital processor.

  7. What are the package types available for the LP5890RRFR?

    The LP5890RRFR is available in VQFN (76 pins) and BGA (96 pins) packages.

  8. How does the stackable mode work in the LP5890RRFR?

    In stackable mode, up to three LP5890RRFR devices can be stacked, allowing the line switches of one device to be shared with another, enabling larger LED matrix configurations.

  9. What is the typical channel-to-channel current deviation?

    The typical channel-to-channel current deviation is around 1% to 2.5% depending on the configuration.

  10. What are some common applications of the LP5890RRFR?

    Common applications include LED digital signage, gaming accessories, smart home appliances, smart speakers, and various audio equipment.

Product Attributes

Type:Linear
Topology:Constant Current
Internal Switch(s):No
Number of Outputs:48
Voltage - Supply (Min):2.5V
Voltage - Supply (Max):5.5V
Voltage - Output:- 
Current - Output / Channel:20mA
Frequency:40MHz ~ 160MHz
Dimming:No
Applications:Lighting, Signage
Operating Temperature:-40°C ~ 85°C (TA)
Mounting Type:Surface Mount
Package / Case:76-VFQFN Exposed Pad
Supplier Device Package:76-VQFN (9x9)
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