LTC4355IMS#TRPBF

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: Ideal Diode Controller
• Package: MSOP-10
• Essence: Efficient power routing and protection
• Packaging/Quantity: Tape & Reel, 3000 pieces per reel

Specifications

• Input Voltage Range: 2.5V to 5.5V
• Maximum Continuous Current: 4A
• Reverse Voltage Protection: Up to -40V
• Quiescent Current: 50µA (typical)
• Operating Temperature Range: -40°C to 85°C

Pin Configuration

The LTC4355IMS#TRPBF package consists of 10 pins arranged as follows:

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| | --| EN1 GATE1|-- --| EN2 GATE2|-- --| VIN1 VIN2|-- --| GND1 GND2|-- |___________| ```

Functional Features

1. Ideal Diode Operation: The LTC4355IMS#TRPBF acts as an ideal diode by seamlessly switching between two input power sources, providing uninterrupted power supply.
2. Reverse Voltage Protection: It protects the circuit from reverse voltage conditions up to -40V, preventing damage to sensitive components.
3. Low Quiescent Current: With a typical quiescent current of only 50µA, the LTC4355IMS#TRPBF minimizes power consumption during standby or idle periods.
4. Fast Switching Speed: The device features fast turn-on and turn-off times, ensuring quick and efficient power transfer.

Advantages and Disadvantages

Advantages: - Enables seamless power source transition without interruption. - Protects against reverse voltage conditions, enhancing system reliability. - Low quiescent current reduces power consumption. - Fast switching speed ensures efficient power transfer.

Disadvantages: - Limited maximum continuous current of 4A may not be suitable for high-power applications. - Operating temperature range of -40°C to 85°C may restrict usage in extreme environments.

Working Principles

The LTC4355IMS#TRPBF utilizes MOSFETs and control circuitry to emulate an ideal diode. It monitors the input voltages and automatically switches between them based on their availability and quality. When one input voltage drops below a certain threshold, the LTC4355IMS#TRPBF seamlessly transfers the load to the other input voltage source, ensuring uninterrupted power supply. Additionally, it provides reverse voltage protection by blocking any reverse voltage that exceeds the specified limit.

Application Field Plans

The LTC4355IMS#TRPBF finds applications in various fields, including:

1. Battery-Powered Systems: It can be used in portable devices, such as smartphones and tablets, to manage power sources efficiently and protect against reverse voltage conditions.
2. Automotive Electronics: The LTC4355IMS#TRPBF is suitable for automotive applications, providing reliable power routing and protection in vehicles.
3. Industrial Control Systems: It can be integrated into industrial control systems to ensure uninterrupted power supply and protect sensitive components from reverse voltage damage.
4. Renewable Energy Systems: The device can be utilized in solar or wind energy systems to manage multiple power sources and prevent reverse voltage issues.

Alternative Models

1. LTC4355HMS#TRPBF: Similar to LTC4355IMS#TRPBF but available in an MSOP-12 package.
2. LTC4355CMS#TRPBF: Similar to LTC4355IMS#TRPBF but available in an MSOP-16 package.
3. LTC4355IMS#PBF: Same as LTC4355IMS#TRPBF but without tape and reel packaging.

These alternative models offer similar functionality and characteristics, providing flexibility in choosing the most suitable package and quantity for specific applications.

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