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LP5860T

AKTIV

LED-Hochstrom-Matrixtreiber, 11 × 18, mit Dimmfunktion 8 Bit (analog) und 8/16 Bit (PWM)

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LP5860T

AKTIV
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Produktdetails

Number of channels 18 LED current per channel (mA) 100 LED configuration Matrix Program memory Yes Topology Linear Vin (min) (V) 2.7 Vin (max) (V) 5.5 Iout (max) (A) 1.8 Features Analog/PWM mixed dimming, Constant current, Enable/Shutdown, LED Open Detection, LED Short Detection, SPI/I2C, Thermal shutdown Iq (typ) (mA) 4.3 Shutdown current (ISD) (typ) (µA) 1 Operating temperature range (°C) -40 to 85 Rating Catalog
Number of channels 18 LED current per channel (mA) 100 LED configuration Matrix Program memory Yes Topology Linear Vin (min) (V) 2.7 Vin (max) (V) 5.5 Iout (max) (A) 1.8 Features Analog/PWM mixed dimming, Constant current, Enable/Shutdown, LED Open Detection, LED Short Detection, SPI/I2C, Thermal shutdown Iq (typ) (mA) 4.3 Shutdown current (ISD) (typ) (µA) 1 Operating temperature range (°C) -40 to 85 Rating Catalog
VQFN (RKP) 40 25 mm² 5 x 5

  • LED matrix topology:

    • 6 constant current sinks with 7 scan switches for 42 LED dots
    • Configurable for 1 to 7 scan switches

  • Operating voltage range:
    • V CC/V LED 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:
    • 100-mA per current sink when V CC ≥ 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: I CC ≤ 1 µA when EN = Low
    • Standby mode: I CC ≤ 10 µA when EN = High and CHIP_EN = 0 (data retained)
    • Active mode: I CC = 5 mA (typical) when channel current = 12.5 mA
  • Flexible dimming options:
    • Individual ON/OFF control for each LED dot
    • Analog dimming (current gain control)
      • Global 7-step 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
  • De-ghosting and low brightness compensation
  • Interface options:
    • 1-MHz (max.) I 2C interface when IFS = Low
    • 12-MHz (max.) SPI interface when IFS = High

  • LED matrix topology:

    • 6 constant current sinks with 7 scan switches for 42 LED dots
    • Configurable for 1 to 7 scan switches

  • Operating voltage range:
    • V CC/V LED 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:
    • 100-mA per current sink when V CC ≥ 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: I CC ≤ 1 µA when EN = Low
    • Standby mode: I CC ≤ 10 µA when EN = High and CHIP_EN = 0 (data retained)
    • Active mode: I CC = 5 mA (typical) when channel current = 12.5 mA
  • Flexible dimming options:
    • Individual ON/OFF control for each LED dot
    • Analog dimming (current gain control)
      • Global 7-step 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
  • De-ghosting and low brightness compensation
  • Interface options:
    • 1-MHz (max.) I 2C interface when IFS = Low
    • 12-MHz (max.) SPI interface when IFS = High

The LP5860T is a high-current and high-performance LED matrix driver. The device integrates 18 constant current sinks with N (N = 6/8/11) switching MOSFETs to support N × 18 LED dots or N × 6 RGB LEDs. The LP5860T integrates 11 MOSFETs for up to 198 LED dots or 66 RGB LEDs.

The LP5860T 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 LP5860T device implements full addressable SRAM to minimize the data traffic. The ghost-cancellation circuitry is integrated to eliminate both upside and downside ghosting. The LP5860T also supports LED open and short detection functions. Both 1-MHz (maximum) I 2C and 12-MHz (maximum) SPI are available in LP5860T.

The LP5860T is a high-current and high-performance LED matrix driver. The device integrates 18 constant current sinks with N (N = 6/8/11) switching MOSFETs to support N × 18 LED dots or N × 6 RGB LEDs. The LP5860T integrates 11 MOSFETs for up to 198 LED dots or 66 RGB LEDs.

The LP5860T 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 LP5860T device implements full addressable SRAM to minimize the data traffic. The ghost-cancellation circuitry is integrated to eliminate both upside and downside ghosting. The LP5860T also supports LED open and short detection functions. Both 1-MHz (maximum) I 2C and 12-MHz (maximum) SPI are available in LP5860T.
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Technische Dokumentation

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Typ Titel Datum
* Data sheet LP5860T 7 × 6 LED High-Current Matrix Driver with 8-Bit Analog and 8-Bit or 16-Bit PWM Dimming datasheet (Rev. A) PDF | HTML 09 Aug 2023
Certificate LP5860TEVM EU Declaration of Conformity (DoC) 30 Jun 2023
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Technischer Artikel LED brightness adjustment: high-frequency PWM dimming 26 Aug 2016
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Design und Entwicklung

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Evaluierungsplatine

LP5860EVM — LP5860 Evaluierungsmodul für Helligkeitsregelung mit LED-Matrixtreiber 11 × 18

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 (...)

Benutzerhandbuch: PDF | HTML
Nicht verfügbar auf TI.com
Evaluierungsplatine

LP5860TEVM — LP5860T Evaluierungsmodul für 11 x 18 Hochstrom-LED-Matrix-Treiber

Das Evaluierungsmodul LP5860T zeigt alle Funktionen des LP5860T-LED-Matrixtreibers. Die grafische Benutzeroberfläche (GUI) LP586x wird als Schnittstelle zwischen USB2ANY und dem EVM verwendet. Das EVM verfügt über SPI und I2C Eingänge über den USB2ANY-Schnittstellenadapter.

Benutzerhandbuch: PDF | HTML
Nicht verfügbar auf TI.com
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PSpice® für TI ist eine Design- und Simulationsumgebung, welche Sie dabei unterstützt, die Funktionalität analoger Schaltungen zu evaluieren. Diese voll ausgestattete Design- und Simulationssuite verwendet eine analoge Analyse-Engine von Cadence®. PSpice für TI ist kostenlos erhältlich und (...)
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