LTC3226EUD#TRPBF

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LTC3226EUD#TRPBF

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IC 2CELL SUPERCAP CHARGE 16QFN

  • ПроизводительКомпания Analog Devices Inc.

  • Мфр. Часть #LTC3226EUD#TRPBF

  • Лист данных LTC3226EUD#TRPBF DataSheet

  • Пакет WFQFN-16

  • В наличии4213

365 Дни гарантии качества

7*24 часы обслуживания каранти

90-гарантия послепродажного дня

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Спецификации

Атрибут Ценность
Package / Case Tape & Reel (TR),Cut Tape (CT)
Series PowerPath™
Part Status Active
Applications Supercapacitor Charger
Supply Current 10µA
Voltage - Supply 2.5V ~ 5.5V
Operating Temperature -40°C ~ 125°C
Mounting Type Surface Mount

Обзор

Description

The LTC3226EUD#TRPBF is a high-efficiency, low-noise, programmable multiple output DC/DC converter manufactured by Analog Devices. It is designed for powering LED drivers and OLED displays, offering a compact solution suitable for portable applications. The device integrates a high-current, low-noise charge pump for efficient power management, delivering up to six regulated current sources.
The LTC3226 features automatic mode switching between 1x and 2x boost operation to optimize efficiency based on the input voltage. It includes a serial interface for programming output currents and provides multiple output channels, allowing for independent brightness control of each LED string. This device supports PWM dimming and fault detection, enhancing flexibility and reliability in applications.
It comes in a compact, thermally enhanced 20-lead QFN package, making it ideal for space-constrained designs. The LTC3226EUD#TRPBF is particularly useful for battery-powered devices, such as smartphones and portable media players, where efficient power conversion and low noise are critical.

Equivalent

The LTC3226EUD#TRPBF is a low-noise, high-current multi-function LED/LDO driver. Equivalent products might include:
1. MAX16823 - by Maxim Integrated, a high-efficiency, high-current LED driver.
2. TPS61165 - by Texas Instruments, a high-brightness LED driver with integrated switch.
3. AP8802 - by Diodes Incorporated, a high-current step-down DC-DC converter for LED applications.
Each has specific features; verify compatibility based on your application requirements.

Features

The LTC3226EUD#TRPBF is a multi-functional LED driver IC designed for efficient power management in portable electronics. Key features include:
1. Efficiency and Operation: It utilizes a charge pump to efficiently drive up to 18 LEDs with individual current sources, ensuring even brightness across LEDs.
2. Current Regulation: Offers precise LED current regulation, supporting programmable currents for backlighting and status indications.
3. Multiple Outputs: Provides six independently controlled LED channels, allowing for versatile design configurations.
4. Compact Design: Available in a compact 16-lead 3mm × 3mm QFN package, making it suitable for space-constrained applications.
5. Input Voltage Range: Operates over a wide input voltage range, typically from 2.9V to 5.5V, accommodating various power sources.
6. Protection Features: Includes built-in protection features such as short-circuit protection and thermal shutdown to enhance reliability.
7. Dimming Control: Supports PWM dimming control for flexible brightness adjustment.
These features make the LTC3226EUD#TRPBF ideal for handheld devices, mobile phones, and other battery-powered applications requiring efficient LED driving.

Pinout

The LTC3226EUD#TRPBF is a LED driver and charge pump from Analog Devices, designed for driving up to 6 white LEDs with constant current and high efficiency. It comes in a 20-pin package with the following functions:
1. LED Outputs (LED1-LED6): The pins for connecting up to six LEDs.
2. Current Programming (C1+, C1-, C2+, C2-): For charge pump capacitors.
3. Digital Control (EN, SCL, SDA, RST): Enable pin and I2C interface for controlling LED currents and settings.
4. Power Supply (VIN, VOUT, GND): Main power input, output, and ground connections.
5. External Components (CPO, CSP, CSN): For external capacitors and sensing.
This device operates with a 2.9V to 5.5V input range, making it suitable for portable applications. It features automatic mode switching between 1x and 1.5x charge pump modes to optimize efficiency based on battery voltage. The LTC3226EUD#TRPBF also includes features like low shutdown current, open/short LED detection, and thermal protection.

Manufacturer

The LTC3226EUD#TRPBF is manufactured by Analog Devices, Inc. Analog Devices is a multinational company that specializes in the design, manufacturing, and marketing of a wide range of analog, mixed-signal, and digital signal processing integrated circuits. These circuits are used in various applications, including industrial, automotive, communications, healthcare, and consumer electronics. The company is known for its innovation in the field of semiconductors and has a strong reputation for producing high-performance and reliable components that address complex engineering challenges. Analog Devices operates globally and provides solutions that enhance the performance and efficiency of electronic systems.

Application

The LTC3226EUD#TRPBF is a multi-cell LED driver typically used in applications requiring efficient power management for LED arrays. Key application areas include portable electronics, such as smartphones and tablets, where space and power efficiency are critical. It can also be utilized in wearable devices, digital cameras, and other battery-operated devices needing compact, high-efficiency lighting solutions. The device's capability to drive multiple LEDs from a single supply makes it ideal for applications requiring LED backlighting or indicator lights. Its low-noise, high-efficiency charge pump design is suitable for systems needing minimal electromagnetic interference and long battery life.

Package

The LTC3226EUD#TRPBF is packaged in a 14-lead (4mm x 3mm) plastic DFN (Dual Flat No-Lead) package. This type of package offers a compact footprint with good thermal and electrical performance, suitable for surface mount technology applications.

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