LTC4231CUD-1#TRPBF

Product Overview

Category

The LTC4231CUD-1#TRPBF belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in power management applications.

Characteristics

• The LTC4231CUD-1#TRPBF is a high voltage ideal diode-OR controller.
• It operates with an input voltage range of up to 80V.
• This IC provides low loss power path selection and protection for power supply redundancy.

Package

The LTC4231CUD-1#TRPBF is available in a 16-lead narrow body SOIC package.

Essence

The essence of the LTC4231CUD-1#TRPBF is its ability to seamlessly switch between redundant power sources, ensuring uninterrupted power supply.

Packaging/Quantity

This product is typically packaged in reels and comes in quantities of 2500 units per reel.

Specifications

• Input Voltage Range: Up to 80V
• Operating Temperature Range: -40°C to 85°C
• Supply Current: 2.5mA (typical)
• Quiescent Current: 10µA (typical)
• Fault Output Leakage Current: 1µA (maximum)
• Fault Output Voltage: 5V (typical)

Detailed Pin Configuration

The LTC4231CUD-1#TRPBF features a 16-lead narrow body SOIC package with the following pin configuration:

1. GATE1: Gate control for channel 1
2. GATE2: Gate control for channel 2
3. GND: Ground
4. FLT1: Fault output for channel 1
5. FLT2: Fault output for channel 2
6. VCC: Power supply voltage
7. VIN1: Input voltage for channel 1
8. VIN2: Input voltage for channel 2
9. GND: Ground
10. FLT1: Fault output for channel 1
11. FLT2: Fault output for channel 2
12. VCC: Power supply voltage
13. VIN1: Input voltage for channel 1
14. VIN2: Input voltage for channel 2
15. GATE2: Gate control for channel 2
16. GATE1: Gate control for channel 1

Functional Features

• Seamless power source switching: The LTC4231CUD-1#TRPBF allows for automatic selection of the power source with the higher voltage, ensuring uninterrupted power supply.
• Low loss power path: This IC provides a low voltage drop path for power transfer, minimizing power losses.
• Protection against reverse current flow: The LTC4231CUD-1#TRPBF prevents reverse current flow from one power source to another, protecting the power sources and the circuitry.

Advantages and Disadvantages

Advantages

• High input voltage range allows for versatile applications.
• Low quiescent current minimizes power consumption.
• Fault outputs provide indication of power source status.

Disadvantages

• Limited to two power sources.
• Requires external gate control signals.

Working Principles

The LTC4231CUD-1#TRPBF operates by monitoring the input voltages of both channels and automatically selecting the power source with the higher voltage. It uses MOSFETs as ideal diodes to create low loss power paths. The gate control signals determine which channel is active and controls the power transfer between the input sources.

Detailed Application Field Plans

The LTC4231CUD-1#TRPBF finds applications in various fields, including: 1. Redundant power supply systems in telecommunications equipment. 2. Industrial control systems requiring reliable power redundancy. 3. Data centers and server farms for uninterrupted operation.

Detailed and Complete Alternative Models

1. LTC4359: High voltage ideal diode-OR controller with reverse input protection.
2. LTC4417: Dual low loss power path prioritizer with adjustable undervoltage lockout.
3. LTC4370: Dual ideal diode controller with adjustable overvoltage protection.

These alternative models offer similar functionality to the LTC4231CUD-1#TRPBF and can be considered based on specific application requirements.

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