LM3644TTYFFR

이미지는 참조용만

LM3644TTYFFR

IC LED DRV RGLTR I2C 12DSBGA

100% 원래 &새로운

배송 준비 24 시간

365 일 보장

RFQ 및더 많은 할인

사양

Part Status Active
Type DC DC Regulator
Topology Step-Up (Boost)
Internal Switch(s) Yes
Number of Outputs 2
Voltage - Supply (Min) 2.5V
Voltage - Supply (Max) 5.5V
Current - Output / Channel 1.5A
Frequency 2MHz, 4MHz
Dimming I2C
Applications Camera Flash
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package / Case 12-UFBGA, DSBGA
Supplier Device Package 12-DSBGA
Base Product Number LM3644

개요

Description

The LM3644TTYFFR is a highly integrated LED driver designed for efficient lighting applications, particularly in displays and backlighting. It features a constant current output, allowing for uniform brightness across multiple LEDs. The device supports a wide input voltage range and can drive LEDs in various configurations, making it versatile for different designs.
Key features include low quiescent current, adjustable output current, and various protection mechanisms such as thermal shutdown and overcurrent protection. The LM3644 is suitable for applications in portable devices, automotive lighting, and more. Its compact package allows for easy integration into space-constrained designs.
For detailed specifications, such as maximum output current, efficiency ratings, and thermal characteristics, refer to the manufacturer's datasheet. This resource will provide essential information for engineers and designers looking to implement the LM3644 in their projects.

Features

The LM3644TTYFFR is a high-performance LED driver designed for driving multiple LED channels in various applications. Key features include:
1. Integrated Design: Combines multiple functions in a compact package, reducing the need for external components.
2. High Efficiency: Optimized for low power consumption, enhancing battery life in portable devices.
3. Adjustable Current Sources: Allows for precise control of LED brightness and color mixing through adjustable current settings.
4. Multiple Channels: Capable of driving multiple LED strings, making it suitable for applications like backlighting, displays, and general lighting.
5. Thermal Protection: Built-in thermal shutdown feature to prevent overheating and ensure reliability.
6. I2C Compatibility: Supports I2C interface for easy integration and control in digital systems.
7. Wide Input Voltage Range: Designed to operate with a broad input voltage range, accommodating various power supplies.
These features make the LM3644TTYFFR ideal for consumer electronics, automotive lighting, and other lighting applications where efficiency and control are critical.

Package

The LM3644TTYFFR is packaged in a 4mm x 4mm, 24-pin HTQFN (Heat Sink Thin Quad Flat No-lead) package.

Pinout

The LM3644TTYFFR is a quad-channel LED driver from Texas Instruments. It comes in a 16-pin TQFN (Thin Quad Flat No-lead) package.
Pin Count: 16 Pins
Functions:
1. LED Channel Outputs: Four outputs (OUT1 to OUT4) for controlling LED currents.
2. Input Supply (VIN): Powers the device, typically connected to a supply voltage.
3. Ground (GND): Common ground reference for the circuit.
4. I2C Interface: Includes SDA (data line) and SCL (clock line) pins for communication with a microcontroller.
5. Enable (EN): Used to activate or deactivate the LED driver.
6. Fault Indicator (FAULT): Signals an error condition, such as an overcurrent.
7. PWM Control Inputs: Allow for brightness control through pulse-width modulation.
This device is designed for applications like backlighting, indicator lighting, and general LED driving tasks in portable devices.

Manufacturer

The LM3644TTYFFR is manufactured by Texas Instruments (TI), a global semiconductor company headquartered in Dallas, Texas. Texas Instruments specializes in designing and manufacturing a wide variety of electronic components, including analog and embedded processing chips. The company is well-known for its innovations in various sectors, including automotive, industrial, communications, and consumer electronics. TI develops products that enable the efficient processing of signals and data, contributing to advancements in technology across numerous applications.

Application

The LM3644TTYFFR is a high-efficiency, dual-channel LED driver primarily used in applications such as mobile devices, automotive lighting, and general-purpose lighting. It is suitable for backlighting displays, indicator lights, and other LED lighting applications where precise current regulation and compact design are essential. Its features include support for multiple LED configurations and dimming capabilities, making it versatile for various lighting solutions.

Equivalent

The LM3644TTYFFR is a dual-channel, LED driver chip. Equivalent products include the MAX16832, TPS92682, and ADP8860. These alternatives also support multi-channel LED driving with similar functionalities, such as dimming control and thermal management. Always check specific datasheets for compatibility and features.

배송

배송 방법We

DHL, FedEx, TNT, UPS 또는 선택한 다른 운송업체를 통해 글로벌 배송 서비스를 제공합니다.


배송 요금 참조 (DHL/FedEx):

DHL은: 배송 비용은 $25-$45 (0.5kg)에서 2-5 영업일의 추정적 배달 시간이 있습니다.

FedEx는: 배송 비용은 $25-$40 (0.5kg)에서 3-7 영업일의 추정적 배달 시간을 가지고 있습니다.

UPS는: 배송 비용은 $25-$45 (0.5kg)에서 3-7 영업일의 추정적 배달 시간을 가지고 있습니다.

TNT는: 배송 비용은 $25-$65 (0.5kg)에서 3-7 영업일의 추정적 배달 시간을 가지고 있습니다.

EMS는: 배송 비용은 $30-$50 (0.5kg)에서 7-15 영업일의 추정적 배달 시간을 제공합니다.

등록된 항공우편: 배송 비용은 $2-$4 (0.1kg), 예상 배달 시간 5-20 영업일.

지불

Payment Methods

지불 기간은 100% 사전 지불입니다.

현재, 우리는 아래 지불 방법만 받아들입니다.:

1. PayPal

2. 신용/직불 카드

3. 전선 전송