LP55281TLX/NOPB

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LP55281TLX/NOPB

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IC LED DRV RGLTR I2C 36DSBGA

  • FabricanteTexas Instruments

  • Peça do Fabricante #LP55281TLX/NOPB

  • Em Estoque8611

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Especificações

Atributo Valor
Part Status Active
Base Product Number LP55281
Type DC DC Regulator
Topology Step-Up (Boost)
Internal Switch(s) Yes
Number of Outputs 12
Voltage - Supply (Min) 3V
Voltage - Supply (Max) 5.5V
Voltage - Output 4V ~ 5.3V
Current - Output / Channel 40mA
Frequency 2MHz
Dimming I2C, SPI
Applications Backlight
Operating Temperature -30°C ~ 85°C (TA)
Mounting Type Surface Mount
Package / Case 36-WFBGA, DSBGA
Supplier Device Package 36-DSBGA
Packaging Cut Tape (CT), Tape & Reel (TR)

Visão Geral

Description

The LP55281TLX/NOPB is a programmable LED driver developed by Texas Instruments. It is designed to control RGB LEDs, making it ideal for applications like mobile devices, wearables, and other consumer electronics that require precise color mixing and lighting effects. The device integrates a 9-channel LED driver with independent PWM control for each channel, enabling smooth color transitions and dynamic lighting effects.
Key features include a programmable microcontroller core, low current consumption, and I²C compatible interface, facilitating easy integration and control. The LP55281TLX/NOPB supports automatic LED pattern generation and can operate in autonomous mode, reducing the need for constant microcontroller supervision. It also comes with a built-in temperature sensor for enhanced reliability and thermal management.
The device is compact, designed for minimal footprint with its small package size, making it suitable for space-constrained applications. Its flexibility and programmability make it a versatile choice for designers looking to implement sophisticated LED control with minimal external components.

Equivalent

The LP55281TLX/NOPB is an LED driver chip from Texas Instruments. Equivalent products from other manufacturers could include:
1. Microchip Technology: MIC3223
2. ON Semiconductor: NCP5623
3. ROHM Semiconductor: BD2808MUV
4. AMS: AS3661
These alternatives offer similar functionalities like multi-channel LED driving and programmable features. However, specific requirements should be checked to ensure compatibility regarding pin configuration, voltage, and current specifications.

Features

The LP55281TLX/NOPB is a programmable LED driver from Texas Instruments designed to control RGB or white LED configurations. Key features include:
1. Integrated Microcontroller: Facilitates autonomous operation without constant control from an external processor.
2. Three Independent LED Drivers: Capable of delivering up to 25.5 mA per channel.
3. Programmable Engine: Includes 96 bytes of program memory, allowing for customized lighting sequences and effects.
4. I²C Interface: Supports communication with external controllers for configuration and control.
5. Wide Input Voltage Range: Operates from 2.7 V to 5.5 V, suitable for use with various power sources.
6. Low Power Consumption: Optimized for battery-powered applications with efficient power management.
7. Small Package: Offered in a compact DSBGA package, saving space in tight design layouts.
8. Thermal Shutdown Protection: Enhances reliability and safety by preventing overheating.
These features make the LP55281TLX/NOPB ideal for applications in portable devices, toys, and mood lighting where versatile and programmable LED control is required.

Pinout

The LP55281TLX/NOPB is a programmable 9-channel RGB LED driver from Texas Instruments. It typically comes in a 16-pin DSBGA (Die-Size Ball Grid Array) package. The pinout includes connections for power (VDD), ground (GND), and several pins dedicated to communication and control, such as I2C interface pins (SCL and SDA), and a reset pin (NRST). The device also includes pins for LED output channels, which are used to drive the RGB LEDs.
The primary function of the LP55281 device is to control RGB LEDs in applications such as mobile devices, wearables, and other consumer electronics. It allows precise control of LEDs' brightness and color through programmable sequences, enabling complex lighting effects. The device includes features such as an internal EEPROM for storing custom programs, an engine for executing the stored lighting sequences, and the ability to operate with low power consumption, making it efficient for battery-powered applications.

Manufacturer

The LP55281TLX/NOPB is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures a wide variety of electronic components and integrated circuits. TI's products are used in various applications, including industrial, automotive, personal electronics, communications equipment, and enterprise systems. The company is known for its innovations in analog and embedded processing technology, and it has a strong presence in the electronics industry.

Application

The LP55281TLX/NOPB is a low-power LED driver commonly used in applications requiring efficient lighting control. Key application areas include:
1. Mobile Devices: Provides backlighting and indicator lights for smartphones, tablets, and wearables.
2. Consumer Electronics: Used in home appliances and portable electronics for display backlighting.
3. Automotive Lighting: Supports interior ambient lighting and dashboard indicators in vehicles.
4. IoT Devices: Offers compact lighting solutions for smart home devices and other connected gadgets.
5. Industrial Equipment: Implements status indicators and machine lighting for operational visibility.
Its versatility and efficiency make it suitable for various low-power LED driving needs.

Package

The LP55281TLX/NOPB is a LED driver IC from Texas Instruments, typically available in a DSBGA (Die-Size Ball Grid Array) package. This compact packaging is designed to support portable applications requiring minimal board space.

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