LTC4225CGN-1#PBF

Product Overview

Category: Integrated Circuits (ICs)

Use: Power Management IC

Characteristics: - Dual Ideal Diode Controller and PowerPath Selector - Monitors two power sources and automatically switches between them - Prevents reverse current flow and protects the power sources - Suitable for applications requiring redundant power sources

Package: 16-SSOP (0.154", 3.90mm Width)

Essence: The LTC4225CGN-1#PBF is an integrated circuit that serves as a dual ideal diode controller and power path selector. It allows for seamless switching between two power sources, preventing reverse current flow and protecting the power sources from damage.

Packaging/Quantity: The LTC4225CGN-1#PBF is available in a 16-SSOP package. The quantity may vary depending on the supplier.

Specifications

Input Voltage Range: 2.9V to 18V
Operating Temperature Range: -40°C to 85°C
Quiescent Current: 50µA (typical)
Overvoltage Lockout Threshold: 4.6V (typical)
Reverse Current Protection Threshold: 10mA (typical)
Fault Output Voltage: 5V (typical)
Maximum Continuous Current: 5A

Pin Configuration

The LTC4225CGN-1#PBF has the following pin configuration:

GATE1: Gate Drive Output for Channel 1
SOURCE1: Source Connection for Channel 1
SENSE1: Sense Connection for Channel 1
GND: Ground
FLT1: Fault Output for Channel 1
GATE2: Gate Drive Output for Channel 2
SOURCE2: Source Connection for Channel 2
SENSE2: Sense Connection for Channel 2
FLT2: Fault Output for Channel 2
VCC: Power Supply Voltage
EN: Enable Pin
GATE3: Gate Drive Output for Channel 3
SOURCE3: Source Connection for Channel 3
SENSE3: Sense Connection for Channel 3
FLT3: Fault Output for Channel 3
NC: No Connection

Functional Features

Dual Ideal Diode Controller: The LTC4225CGN-1#PBF acts as a controller for two ideal diodes, allowing for seamless switching between two power sources.
PowerPath Selector: It automatically selects the power source with the higher voltage and switches to it, ensuring uninterrupted power supply.
Reverse Current Protection: The integrated circuit prevents reverse current flow, protecting the power sources from damage.
Fault Output: The fault output pin provides a signal indicating any fault condition, such as overvoltage or reverse current.

Advantages and Disadvantages

Advantages: - Seamless power source switching - Prevents reverse current flow - Protects power sources from damage - Suitable for applications requiring redundant power sources

Disadvantages: - Limited maximum continuous current (5A)

Working Principles

The LTC4225CGN-1#PBF monitors the voltages of two power sources and controls the gate drives of the ideal diodes accordingly. It compares the voltages and selects the power source with the higher voltage. If one power source fails or its voltage drops below a certain threshold, the LTC4225CGN-1#PBF quickly switches to the other power source to ensure uninterrupted power supply. It also prevents reverse current flow, protecting the power sources from damage.

Detailed Application Field Plans

The LTC4225CGN-1#PBF is commonly used in applications that require redundant power sources, such as: - Server systems - Telecom equipment - Industrial control systems - Medical devices - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models to the LTC4225CGN-1#PBF include: - LTC4225CGN - LTC4225IGN - LTC4225IUF

These models offer similar functionality and can be considered as alternatives depending on specific requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LTC4225CGN-1#PBF v technických řešeních

Sure! Here are 10 common questions and answers related to the application of LTC4225CGN-1#PBF in technical solutions:

Q1: What is LTC4225CGN-1#PBF? A1: LTC4225CGN-1#PBF is a specific model number for a power supply IC manufactured by Linear Technology (now part of Analog Devices). It is designed for hot-swappable power management applications.

Q2: What are the key features of LTC4225CGN-1#PBF? A2: Some key features of LTC4225CGN-1#PBF include dual ideal diode controllers, adjustable current limit, reverse voltage protection, and fault reporting.

Q3: How can LTC4225CGN-1#PBF be used in technical solutions? A3: LTC4225CGN-1#PBF can be used in various technical solutions where hot-swapping or redundant power supplies are required. It helps in managing power distribution and protecting against faults.

Q4: Can LTC4225CGN-1#PBF be used in both AC and DC power systems? A4: Yes, LTC4225CGN-1#PBF can be used in both AC and DC power systems. It is compatible with a wide range of input voltages.

Q5: What is the maximum current rating of LTC4225CGN-1#PBF? A5: The maximum current rating of LTC4225CGN-1#PBF is typically around 5A, but it may vary depending on the specific operating conditions.

Q6: Does LTC4225CGN-1#PBF support overcurrent protection? A6: Yes, LTC4225CGN-1#PBF supports overcurrent protection. It has an adjustable current limit feature that allows you to set the maximum current threshold.

Q7: Can LTC4225CGN-1#PBF be used in parallel for higher current applications? A7: Yes, LTC4225CGN-1#PBF can be used in parallel to increase the current handling capacity. However, proper design considerations and synchronization are required.

Q8: Does LTC4225CGN-1#PBF provide reverse voltage protection? A8: Yes, LTC4225CGN-1#PBF provides reverse voltage protection. It prevents reverse current flow and protects the power supply from damage.

Q9: Is LTC4225CGN-1#PBF suitable for battery-powered applications? A9: Yes, LTC4225CGN-1#PBF can be used in battery-powered applications. Its low quiescent current and efficient power management features make it suitable for such applications.

Q10: Are there any evaluation boards or reference designs available for LTC4225CGN-1#PBF? A10: Yes, Analog Devices provides evaluation boards and reference designs for LTC4225CGN-1#PBF. These resources can help users understand its application and performance in different scenarios.

Please note that the answers provided here are general and may vary depending on specific use cases and requirements. It is always recommended to refer to the datasheet and consult with technical experts for accurate information.