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:

1. VIN1: Input Voltage 1
2. VIN2: Input Voltage 2
3. GATE1: Gate Drive Output 1
4. GATE2: Gate Drive Output 2
5. STAT1: Status Output 1
6. STAT2: Status Output 2
7. FLT1: Fault Output 1
8. FLT2: Fault Output 2
9. GND: Ground
10. VCC: Supply Voltage
11. SS: Soft-Start
12. 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:

1. Automotive Electronics: Provides protection against reverse battery connection and ensures uninterrupted power supply during battery swaps or charging.
2. Industrial Control Systems: Enables seamless transition between primary and backup power sources, ensuring continuous operation.
3. Renewable Energy Systems: Facilitates efficient power distribution and protects sensitive components from voltage fluctuations.
4. Telecommunications: Ensures uninterrupted power supply during power source switching, minimizing downtime.

Alternative Models

1. LTC4358IDE: Similar features and specifications, different package (DFN-10).
2. LTC4358HDE: Higher maximum continuous current (8A), similar features and specifications, different package (DFN-12).

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