LTC4358CFE#PBF

Product Overview

Category

LTC4358CFE#PBF belongs to the category of integrated circuits (ICs) used in power management.

Use

This product is primarily used for power supply protection and load sharing applications.

Characteristics

• Integrated circuit
• Power management
• Protection and load sharing
• Small form factor
• High efficiency

Package

LTC4358CFE#PBF comes in a small form factor package, specifically a 16-pin TSSOP (Thin Shrink Small Outline Package).

Essence

The essence of LTC4358CFE#PBF lies in its ability to protect power supplies and enable load sharing between multiple sources.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Input Voltage Range: 4V to 80V
• Maximum Continuous Current: 5A
• Reverse Battery Protection: Yes
• Overvoltage Protection: Yes
• Undervoltage Lockout: Yes
• Fault Flag Output: Yes
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

1. GATE1: Gate control for MOSFET 1
2. SOURCE1: Source pin for MOSFET 1
3. DRAIN1: Drain pin for MOSFET 1
4. VCC: Positive supply voltage input
5. GATE2: Gate control for MOSFET 2
6. SOURCE2: Source pin for MOSFET 2
7. DRAIN2: Drain pin for MOSFET 2
8. FLT: Fault flag output
9. GND: Ground reference
10. SENSE+: Positive current sense input
11. SENSE-: Negative current sense input
12. VREF: Reference voltage output
13. UVLO: Undervoltage lockout threshold
14. OVLO: Overvoltage lockout threshold
15. REFIN: External reference input
16. SS: Soft-start capacitor connection

Functional Features

• Reverse battery protection
• Load sharing between multiple power sources
• Fault flag output for system monitoring
• Undervoltage and overvoltage protection
• Soft-start capability for controlled startup

Advantages and Disadvantages

Advantages

• Efficient power supply protection
• Enables load sharing for improved reliability
• Compact form factor
• Wide input voltage range
• Integrated fault flag output for easy system monitoring

Disadvantages

• Limited maximum continuous current (5A)
• Requires external components for complete functionality

Working Principles

LTC4358CFE#PBF operates by utilizing two MOSFETs to control the power flow between multiple sources. It provides reverse battery protection by preventing current flow in the wrong direction. The load sharing feature allows multiple power sources to contribute to the overall power supply, enhancing system reliability. The undervoltage and overvoltage protection mechanisms safeguard the connected devices from potential damage. The fault flag output provides a signal to the system controller for monitoring and diagnostics.

Detailed Application Field Plans

LTC4358CFE#PBF finds applications in various fields, including: 1. Automotive electronics 2. Industrial automation 3. Telecommunications 4. Renewable energy systems 5. Battery-powered devices

Detailed and Complete Alternative Models

1. LTC4357CFE#PBF
2. LTC4359CFE#PBF
3. LTC4360CFE#PBF
4. LTC4361CFE#PBF
5. LTC4362CFE#PBF

These alternative models offer similar functionalities and can be considered as alternatives to LTC4358CFE#PBF based on specific requirements.

In conclusion, LTC4358CFE#PBF is an integrated circuit used for power supply protection and load sharing applications. It offers reverse battery protection, undervoltage/overvoltage protection, and fault flag output. With its compact form factor and wide input voltage range, it finds applications in various fields such as automotive electronics, industrial automation, and telecommunications. While it has limitations in terms of maximum continuous current and external component requirements, there are alternative models available to suit specific needs.