LM74801QDRRRQ1

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LM74801QDRRRQ1

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3-V TO 65-V, AUTOMOTIVE IDEAL DI

  • FabricanteTexas Instruments

  • Peça do Fabricante #LM74801QDRRRQ1

  • Pacote WFDFN-12

  • Em Estoque1401

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Especificações

Atributo Valor
Package / Case Tape & Reel (TR),Cut Tape (CT)
Series Automotive, AEC-Q100
Part Status Active
Type N+1 ORing Controller
FET Type N-Channel
Ratio - Input: Output 1:1
Internal Switch(s) No
Delay Time - ON 2.6 µs
Delay Time - OFF 500 ns
Current - Output (Max) 5A
Supply Current 413 µA
Voltage - Supply 3V ~ 65V
Applications Automotive, Redundant Power Supplies
Operating Temperature -40°C ~ 125°C (TJ)
Mounting Type Surface Mount, Wettable Flank

Visão Geral

Description

The LM74801QDRRRQ1 is an automotive-grade ideal diode controller designed to replace traditional Schottky diodes in power applications, thereby increasing efficiency and reducing heat dissipation. This device is part of Texas Instruments' family of products tailored for automotive systems requiring robust performance under harsh conditions. The LM74801QDRRRQ1 offers features such as reverse polarity protection, low quiescent current, and overvoltage protection, making it ideal for battery-powered and high-reliability applications.
Key features include:
1. Efficiency: By using a low-resistance MOSFET instead of a Schottky diode, it minimizes power loss and enhances overall system efficiency.
2. Protection: It provides comprehensive protection mechanisms, including reverse current blocking and transient voltage suppression.
3. Design Flexibility: The device supports a wide input voltage range, making it suitable for various automotive and industrial applications.
4. Reliability: The AEC-Q100 qualification ensures it meets the rigorous standards required for automotive environments.
Overall, the LM74801QDRRRQ1 is a versatile, reliable, and efficient solution for modern power management challenges in automotive systems.

Equivalent

The LM74801QDRRRQ1 is an automotive-grade ideal diode controller with an integrated MOSFET driver. Equivalent products can include:
1. LTC4376 - Low Quiescent Current Ideal Diode Controller by Analog Devices.
2. MAX16171 - Ideal Diode Controller with Voltage and Current Measurement by Maxim Integrated.
3. NIS5020 - Ideal Diode Controller with Integrated MOSFET Driver by ON Semiconductor.
These alternatives offer similar functionalities and features suitable for comparable applications. Always ensure compatibility with your specific design requirements.

Features

The LM74801QDRRRQ1 is a highly integrated controller designed for power management applications. Key features include:
1. Wide Input Voltage Range: It supports a broad input voltage, making it versatile for various applications.
2. Reverse Polarity Protection: This feature safeguards the circuit from damage caused by reverse voltage connections.
3. Overcurrent Protection: The controller includes mechanisms to prevent damage from excessive current.
4. Low Quiescent Current: It consumes minimal power during idle states, enhancing energy efficiency.
5. Configurable Fault Timers: Customizable timers for fault conditions enable tailored protection settings.
6. Integrated Charge Pump: Facilitates high-side N-channel MOSFET control without an external charge pump.
7. Robust Thermal Management: Designed to operate over a wide temperature range, ensuring reliability in harsh environments.
8. AEC-Q100 Qualified: Meets automotive industry standards for high reliability and quality.
These features make the LM74801QDRRRQ1 suitable for automotive and industrial power applications where protection and efficiency are critical.

Pinout

The LM74801QDRRRQ1 is a 16-pin device, which functions as an ideal diode controller and a reverse battery protection controller. It is designed to enhance the performance and reliability of automotive systems by protecting against reverse polarity, overvoltage, and undervoltage conditions. The device achieves this by controlling an external MOSFET to act as an ideal diode, minimizing power loss and heat generation compared to traditional diodes. The LM74801QDRRRQ1 also offers features such as input voltage monitoring, overcurrent protection, and diagnostics, making it suitable for a wide range of automotive and industrial applications.

Manufacturer

The LM74801QDRRRQ1 is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures a wide range of electronic components, including integrated circuits, processors, and analog devices. TI is known for its innovation in the fields of analog technology, digital signal processing, and microcontrollers. The company serves multiple industries, including automotive, communications, computing, industrial, and consumer electronics. As a leader in the semiconductor industry, TI focuses on providing cutting-edge solutions that enable technological advancements across various applications.

Application

The LM74801QDRRRQ1 is a versatile automotive-grade ideal diode controller with various application areas. It is primarily used in automotive power management systems, such as battery protection and reverse polarity protection. The controller is suitable for use in electronic control units (ECUs), infotainment systems, and body control modules. Additionally, it can be found in DC-DC converters and power distribution systems where efficient power management is crucial. Its robust design and automotive qualifications make it ideal for use in harsh environments and mission-critical applications in vehicles.

Package

The LM74801QDRRRQ1 is packaged in a WSON (Wafer Level Small Outline No-lead) format, which is compact and suitable for space-constrained applications. Specifically, it uses an 8-pin WSON package.

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