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LTC4358CDE
Product Overview
- Category: Integrated Circuit (IC)
- Use: Power Management
- Characteristics: High Performance, Low Power Consumption
- Package: DFN-12
- Essence: PowerPath Controller
- Packaging/Quantity: Tape & Reel, 2500 units per reel
Specifications
- Input Voltage Range: 4V to 80V
- Maximum Continuous Current: 5A
- Reverse Battery Protection: Yes
- Overvoltage Protection: Yes
- Undervoltage Lockout: Yes
- Operating Temperature Range: -40°C to 85°C
Pin Configuration
The LTC4358CDE has a total of 12 pins. The pin configuration is as follows:
- VIN1: Input Voltage 1
- VIN2: Input Voltage 2
- GATE1: Gate Drive Output 1
- GATE2: Gate Drive Output 2
- STAT1: Status Output 1
- STAT2: Status Output 2
- FLT1: Fault Output 1
- FLT2: Fault Output 2
- GND: Ground
- VCC: Supply Voltage
- SS: Soft-Start
- NC: No Connection
Functional Features
- Dual Input PowerPath Control
- Seamless Switchover between Input Sources
- Reverse Battery Protection
- Overvoltage and Undervoltage Protection
- Adjustable Turn-On and Turn-Off Thresholds
- Fast Response Time
Advantages
- Efficient Power Management
- Reliable Protection against Reverse Battery Connection
- Seamless Transition between Power Sources
- Customizable Thresholds for Optimal Performance
- Compact and Easy-to-Use Package
Disadvantages
- Limited Maximum Continuous Current (5A)
- Restricted Operating Temperature Range (-40°C to 85°C)
Working Principles
The LTC4358CDE is a power management IC designed to control the power path between two input sources. It ensures seamless switchover between the inputs, providing uninterrupted power supply. The device incorporates reverse battery protection, preventing damage due to accidental reverse connection. It also offers overvoltage and undervoltage protection, safeguarding connected devices from voltage fluctuations. The adjustable turn-on and turn-off thresholds allow customization according to specific requirements.
Application Field Plans
The LTC4358CDE finds applications in various fields where reliable power management is crucial. Some potential application areas include:
- Automotive Electronics: Provides protection against reverse battery connection and ensures uninterrupted power supply during battery swaps or charging.
- Industrial Control Systems: Enables seamless transition between primary and backup power sources, ensuring continuous operation.
- Renewable Energy Systems: Facilitates efficient power distribution and protects sensitive components from voltage fluctuations.
- Telecommunications: Ensures uninterrupted power supply during power source switching, minimizing downtime.
Alternative Models
- LTC4358IDE: Similar features and specifications, different package (DFN-10).
- LTC4358HDE: Higher maximum continuous current (8A), similar features and specifications, different package (DFN-12).
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Liste 10 perguntas e respostas comuns relacionadas à aplicação de LTC4358CDE em soluções técnicas
Sure! Here are 10 common questions and answers related to the application of LTC4358CDE in technical solutions:
Q: What is LTC4358CDE? A: LTC4358CDE is a power management IC (integrated circuit) designed for controlling and protecting power supply systems.
Q: What are the main features of LTC4358CDE? A: The main features of LTC4358CDE include reverse voltage protection, overcurrent protection, and hot swap capability.
Q: How does LTC4358CDE provide reverse voltage protection? A: LTC4358CDE uses an internal MOSFET to block reverse current flow, preventing damage to the power supply system.
Q: Can LTC4358CDE handle high currents? A: Yes, LTC4358CDE can handle high currents up to several amps, making it suitable for various applications.
Q: What is hot swap capability, and how does LTC4358CDE support it? A: Hot swap capability allows for the insertion or removal of components while the system is powered on. LTC4358CDE provides controlled turn-on and turn-off of the power supply during hot swapping.
Q: Does LTC4358CDE have built-in overcurrent protection? A: Yes, LTC4358CDE has overcurrent protection that limits the output current to a safe level, protecting the power supply and connected devices.
Q: Can LTC4358CDE be used in automotive applications? A: Yes, LTC4358CDE is suitable for automotive applications as it can handle wide input voltage ranges and provides reverse voltage protection.
Q: Is LTC4358CDE compatible with different power supply voltages? A: Yes, LTC4358CDE supports a wide range of input voltages, making it compatible with various power supply systems.
Q: Can LTC4358CDE be used in battery-powered applications? A: Yes, LTC4358CDE can be used in battery-powered applications as it efficiently manages power flow and protects against reverse voltage.
Q: Are there any application notes or reference designs available for LTC4358CDE? A: Yes, Linear Technology (now part of Analog Devices) provides application notes and reference designs that demonstrate the use of LTC4358CDE in different technical solutions.
Please note that the answers provided here are general and may vary depending on specific implementation requirements. It is always recommended to refer to the datasheet and application notes for detailed information.