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LP5569

AKTIV

Neunkanaliger I2C-RGB-LED-Treiber mit Modulsteuerung und Ladungspumpe

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LP5813 AKTIV Synchroner Aufwärts-4 -Kanal-3 Matrix-RGB-LED-Treiber mit I²C und automatischer Animationssteuerung Newer device with sync boost, lower IQ and smaller size

LP5569

AKTIV
Datenblatt Jetzt bestellen

Produktdetails

Number of channels 9 LED current per channel (mA) 22.5 LED configuration Parallel Program memory Yes Topology Charge pump, Current Sink Programmable ramp control Yes Vin (min) (V) 2.5 Vin (max) (V) 5.5 Iout (max) (A) 0.23 Features Analog/PWM mixed dimming, Constant current, Current control, Direct PWM dimming, I2C control, Power-save mode, Programmable lighting engines Iq (typ) (mA) 0.002 Shutdown current (ISD) (typ) (µA) 0.2 Operating temperature range (°C) -40 to 85 Rating Catalog
Number of channels 9 LED current per channel (mA) 22.5 LED configuration Parallel Program memory Yes Topology Charge pump, Current Sink Programmable ramp control Yes Vin (min) (V) 2.5 Vin (max) (V) 5.5 Iout (max) (A) 0.23 Features Analog/PWM mixed dimming, Constant current, Current control, Direct PWM dimming, I2C control, Power-save mode, Programmable lighting engines Iq (typ) (mA) 0.002 Shutdown current (ISD) (typ) (µA) 0.2 Operating temperature range (°C) -40 to 85 Rating Catalog
WQFN (RTW) 24 16 mm² 4 x 4
  • Supply Voltage Range: 2.5 V–5.5 V
  • Nine High-Accuracy Current Sinks
    • 25.5 mA Maximum per Channel
    • 8-Bit Individual Current Control
    • 12-Bit 20-kHz Internal Individual PWM Control Without Audio Noise
  • Three Programmable LED Engines
    • Independent Illumination Control Without Active Microcontroller Control
    • Synchronization Among Multiple Devices
    • Up to 256 Instructions in SRAM Memory for Storing Sequences of Lighting Patterns
    • LP5523- and LP55231-Device-Compatible Command Set
  • Flexible Dimming Control
    • I2C Dimming Control
    • PWM Direct-Input Dimming
    • PWM Input Frequency: 100-Hz to 20-kHz
  • Adaptive High-Efficiency Charge-Pump Control for Driving High-VF LEDs With Low Battery Voltage
  • Master Fader Control Allows Dimming of Multiple LEDs by Writing to Only One Register to Reduce the I2C Bus Traffic
  • 2-µA Low Standby Current and 10-µA in Automatic Power-Save Mode When LEDs Are Inactive
  • POR, UVLO, and TSD Protection
  • Supply Voltage Range: 2.5 V–5.5 V
  • Nine High-Accuracy Current Sinks
    • 25.5 mA Maximum per Channel
    • 8-Bit Individual Current Control
    • 12-Bit 20-kHz Internal Individual PWM Control Without Audio Noise
  • Three Programmable LED Engines
    • Independent Illumination Control Without Active Microcontroller Control
    • Synchronization Among Multiple Devices
    • Up to 256 Instructions in SRAM Memory for Storing Sequences of Lighting Patterns
    • LP5523- and LP55231-Device-Compatible Command Set
  • Flexible Dimming Control
    • I2C Dimming Control
    • PWM Direct-Input Dimming
    • PWM Input Frequency: 100-Hz to 20-kHz
  • Adaptive High-Efficiency Charge-Pump Control for Driving High-VF LEDs With Low Battery Voltage
  • Master Fader Control Allows Dimming of Multiple LEDs by Writing to Only One Register to Reduce the I2C Bus Traffic
  • 2-µA Low Standby Current and 10-µA in Automatic Power-Save Mode When LEDs Are Inactive
  • POR, UVLO, and TSD Protection

The LP5569 device is a programmable, easy-to-use 9-channel I2C LED driver designed to produce lighting effects for various applications. The LED driver is equipped with an internal SRAM memory for user-programmed sequences and three programmable LED engines, which allow operation without processor control. Autonomous operation reduces system power consumption when the processor is put in sleep mode.

A high-efficiency charge pump enables the driving of LEDs with high VF, even with 2.5-V input voltage. The LP5569 LED driver maintains good efficiency over a wide operational voltage range by autonomously selecting the best charge-pump gain based on LED forward voltage requirements.

The LP5569 device enters power-save mode when LEDs are not active, lowering idle-current consumption considerably. A flexible digital interface allows the connection of up to eight LP5569 devices with a unique I2C slave address for each device in the same system, which supports synchronization of the lighting effects among all devices.

The LP5569 device is a programmable, easy-to-use 9-channel I2C LED driver designed to produce lighting effects for various applications. The LED driver is equipped with an internal SRAM memory for user-programmed sequences and three programmable LED engines, which allow operation without processor control. Autonomous operation reduces system power consumption when the processor is put in sleep mode.

A high-efficiency charge pump enables the driving of LEDs with high VF, even with 2.5-V input voltage. The LP5569 LED driver maintains good efficiency over a wide operational voltage range by autonomously selecting the best charge-pump gain based on LED forward voltage requirements.

The LP5569 device enters power-save mode when LEDs are not active, lowering idle-current consumption considerably. A flexible digital interface allows the connection of up to eight LP5569 devices with a unique I2C slave address for each device in the same system, which supports synchronization of the lighting effects among all devices.
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Technische Dokumentation

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Typ Titel Datum
* Data sheet LP5569 Nine-Channel I2C RGB LED Driver With Engine Control and Charge Pump datasheet (Rev. A) PDF | HTML 10 Sep 2017
White paper Common LED Functions and LED Driver Design Considerations 21 Sep 2020
Application note How to Select a RGB LED Driver 08 Aug 2019
Technical article Adding imagination to your next-generation appliances PDF | HTML 12 Nov 2018
Technical article Why you need a programmable lighting engine when designing LED driver circuit PDF | HTML 29 Mai 2018
Application note LP5569 Lighting Pattern Design 08 Mai 2018
Technical article Improve the user experience with an LED ring PDF | HTML 09 Nov 2017
EVM User's guide LP5569EVM User's Guide (Rev. A) 29 Aug 2017

Design und Entwicklung

Weitere Bedingungen oder erforderliche Ressourcen enthält gegebenenfalls die Detailseite, die Sie durch Klicken auf einen der unten stehenden Titel erreichen.

Evaluierungsplatine

BOOST-LP5569EVM — LP5569 Neunkanal-I2C-RGB-LED-Treiber mit Motorsteuerung und Ladungspumpe – Evaluierungsmodul

The Texas Instruments LP5569 evaluation module (EVM) helps designers evaluate the operation and performance of the LP5569 nine-LED driver. The LP5569 device is an RGB LED driver that can individually control up to 9 LEDs. The driver has 12-bit PWM and 8-bit current control of each low-side LED (...)
Benutzerhandbuch: PDF
Nicht verfügbar auf TI.com
GUI für Evaluierungsmodul (EVM)

SNVC210 — LP5569EVM GUI

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Unterstützte Produkte und Hardware

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SNVMBB8C.ZIP (55 KB) - PSpice Model
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Simulationstool

PSPICE-FOR-TI — PSpice® für TI Design-und Simulationstool

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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Referenzdesigns

TIDA-01559 — Referenzdesign für Benutzeroberfläche mit kapazitiver Touch-Technologie einschließlich Näherungserfa

The TIDA-01559 is a Human Machine Interface (HMI) reference design that uses the MSP430FR2522 MCU and LP5569 device, and can achieve extremely low standby power consumption and offload the resources of the MCU with LED engine control. This solution can be used anywhere a low-power consuming HMI (...)
Design guide: PDF
Schaltplan: PDF
Gehäuse Pins CAD-Symbole, Footprints und 3D-Modelle
WQFN (RTW) 24 Ultra Librarian
Es gelten die allgemeinen Geschäftsbedingungen von TI für Evaluierungsartikel.

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  • Kontinuierliches Zuverlässigkeitsmonitoring
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