LP5521YQ

画像は参考用です

LP5521YQ

+BOM

LED Display Drivers

  • メーカーSTマイクロエレクトロニクス

  • メーカー品番 #LP5521YQ

  • 在庫状況25402

365 日間品質保証

7*24 日間の品質保証

90-時間単位のサービス保証

1日間のアフターサービス保証

仕様

属性

概要

Description

The LP5521YQ is a programmable LED driver designed by Texas Instruments. It's specifically crafted for mobile phone backlighting and other portable device applications. The device supports up to three independent LED channels, each capable of driving up to 25mA, facilitating complex lighting effects and color mixing.
One of its key features is the integrated, programmable microcontroller, which allows for autonomous operation without constant interaction with the main processor, thus saving system resources and power. The LP5521YQ also includes PWM (Pulse Width Modulation) control for precise brightness adjustment, and it supports I²C interface for communication with other devices.
The driver has low standby current consumption, making it suitable for battery-powered devices. It also includes safety features like LED open/short protection and thermal shutdown. With its compact package design, the LP5521YQ is ideal for small form-factor applications where space efficiency is crucial. Overall, this IC offers flexibility, efficiency, and reliability for versatile lighting applications.

Equivalent

The LP5521YQ is a programmable LED driver from Texas Instruments. Equivalent products might include the NCP5623B from ON Semiconductor, the PCA9633 from NXP Semiconductors, and the IS31FL3193 from ISSI. These alternatives offer similar functionalities like multichannel LED control and programmability, though specific features and performance may vary. Always compare datasheets to ensure compatibility with your requirements.

Features

The LP5521YQ is a programmable LED driver designed to control RGB LEDs. Key features include:
1. Programmable Engine: It has an integrated microprogrammed engine that allows for advanced lighting patterns and effects without continuous control from an external microcontroller.
2. RGB LED Control: Capable of driving three independent LED channels, suitable for RGB color mixing and individual LED control.
3. I²C Interface: Offers an I²C-compatible interface for easy integration and control from external devices.
4. Current Control: Provides precise current control over each channel to maintain consistent LED brightness and color accuracy.
5. Low Power Consumption: Designed for low power consumption, making it suitable for battery-powered applications.
6. Dimming and Brightness Control: Supports PWM dimming and brightness control for smooth transitions and effects.
7. Compact Package: Available in a small form factor, making it ideal for space-constrained applications such as mobile devices and wearable technology.
These features make the LP5521YQ suitable for applications requiring advanced LED control with minimal external components and power efficiency.

Pinout

The LP5521YQ is a programmable LED driver from Texas Instruments, designed for controlling RGB LEDs. It typically comes in a 16-pin DSBGA (Die-Size Ball Grid Array) package. The pin functions are as follows:
1. VDD: Power supply input.
2. SCL: I2C clock input.
3. SDA: I2C data input/output.
4. OUT1, OUT2, OUT3: Outputs for driving LEDs.
5. GND: Ground reference.
6. NRST: Active-low reset input.
7. VDDIO: I/O voltage supply.
8. CTRL1, CTRL2: Control inputs for additional functionality or external clock.
9. VOUT: Output voltage from the internal boost converter.
10. C1P, C1N, C2P, C2N: Connections for the charge pump capacitors.
The LP5521YQ is used for driving RGB LEDs in various applications, offering programmability for color mixing and intensity control through its I2C interface. It features an integrated charge pump to efficiently drive the LEDs from a single supply voltage.

Manufacturer

The LP5521YQ is manufactured by Texas Instruments (TI), a technology company that designs and manufactures semiconductors and various integrated circuits. TI is widely recognized for its innovation and production in the electronics industry, providing solutions for a range of applications, including automotive, industrial, personal electronics, communications, and enterprise systems. The company is known for its expertise in analog and embedded processing, which are crucial for various modern electronic devices.

Application

The LP5521YQ is a programmable LED driver designed for applications requiring efficient control and management of RGB or white LEDs. Its primary application areas include mobile phones, portable media players, and other handheld devices where dynamic lighting effects or status indication are necessary. It is also suitable for use in wearable technology, IoT devices, and consumer electronics where power-efficient LED control is essential. The LP5521YQ's programmability and low power consumption make it ideal for applications requiring precise color mixing and customized lighting sequences.

Package

The LP5521YQ is a 16-pin, lead-free (Pb-free), micro SMD package type. It is designed for use in controlling RGB LED lighting systems, providing efficient power management and color mixing capabilities.

LP5521YQに関連する製品