LTC4350CGN#TRPBF

Product Overview

Category: Integrated Circuits (ICs)

Use: The LTC4350CGN#TRPBF is a power management IC designed for use in various electronic systems. It provides protection and control functions to ensure safe and reliable operation of the system.

Characteristics: - Overvoltage Protection - Reverse Voltage Protection - Ideal Diode Functionality - Adjustable Current Limit - Low Quiescent Current - Wide Input Voltage Range

Package: The LTC4350CGN#TRPBF is available in a 16-pin SSOP package, which offers compact size and easy integration into circuit boards.

Essence: This IC serves as a crucial component in power management systems, providing essential protection and control features to safeguard the connected devices.

Packaging/Quantity: The LTC4350CGN#TRPBF is typically sold in reels containing 250 units per reel.

Specifications

• Input Voltage Range: 4V to 80V
• Operating Temperature Range: -40°C to 85°C
• Quiescent Current: 50µA
• Maximum Continuous Current: 10A
• Reverse Voltage Protection Threshold: -40mV
• Overvoltage Protection Threshold: 80V

Pin Configuration

The LTC4350CGN#TRPBF has a total of 16 pins, each serving a specific function. The pin configuration is as follows:

1. VIN - Input Voltage
2. GATE - Gate Drive Output
3. VOUT - Output Voltage
4. ILIM - Current Limit Setting
5. FLT - Fault Indicator
6. EN - Enable Input
7. GND - Ground
8. NC - No Connection
9. NC - No Connection
10. NC - No Connection
11. NC - No Connection
12. NC - No Connection
13. NC - No Connection
14. NC - No Connection
15. NC - No Connection
16. NC - No Connection

Functional Features

• Overvoltage Protection: Monitors the input voltage and disconnects the load when it exceeds the set threshold, preventing damage to the system.
• Reverse Voltage Protection: Blocks reverse current flow, protecting the circuit from potential damage.
• Ideal Diode Functionality: Allows current flow in one direction while blocking it in the opposite direction, emulating the behavior of an ideal diode.
• Adjustable Current Limit: Enables the user to set a maximum current limit for the load, preventing excessive current draw.
• Low Quiescent Current: Consumes minimal current during standby or idle mode, reducing power consumption.
• Wide Input Voltage Range: Supports a broad range of input voltages, making it suitable for various applications.

Advantages and Disadvantages

Advantages: - Provides comprehensive protection features for connected devices. - Offers adjustable current limit for load protection. - Compact package size allows for easy integration into circuit boards. - Wide input voltage range enhances versatility. - Low quiescent current reduces power consumption.

Disadvantages: - Limited maximum continuous current capacity (10A). - Requires careful consideration of pin configuration during circuit design.

Working Principles

The LTC4350CGN#TRPBF operates by continuously monitoring the input voltage and current flowing through it. It compares these values with the set thresholds for overvoltage and reverse voltage protection. If the input voltage exceeds the overvoltage threshold, the IC disconnects the load to prevent damage. Similarly, if reverse current is detected, the IC blocks the flow to protect the circuit. The adjustable current limit feature ensures that the load does not draw excessive current, maintaining safe operation.

Application Field Plans

The LTC4350CGN#TRPBF finds applications in various fields, including: - Power supply protection in industrial equipment - Battery management systems - Automotive electronics - Solar power systems - Uninterruptible power supplies (UPS) - Telecommunications equipment

Alternative Models

1. LTC4350AHMS8#PBF - 8-pin MSOP package, lower quiescent current.
2. LTC4350CMS8#PBF - 8-pin MSOP package, higher maximum continuous current.
3. LTC4350IMS8#PBF - 8-pin MSOP package, adjustable overvoltage and reverse voltage thresholds.

These alternative models offer similar functionality with slight variations in package size, current capacity, and additional features.