LTC3555EUFD#TRPBF

Product Overview

Category

The LTC3555EUFD#TRPBF belongs to the category of power management integrated circuits (PMICs).

Use

It is used for managing power in various electronic devices, such as portable electronics, IoT devices, and battery-powered systems.

Characteristics

• Wide input voltage range
• Low quiescent current
• Integrated DC/DC converters
• PowerPath control
• Battery charger

Package

The LTC3555EUFD#TRPBF comes in a 24-pin QFN package.

Essence

The essence of this product lies in its ability to efficiently manage power in battery-powered systems while offering a compact and integrated solution.

Packaging/Quantity

The LTC3555EUFD#TRPBF is typically available in reels with a specific quantity per reel.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: Adjustable
• Maximum Output Current: Up to 500mA
• Quiescent Current: <75µA
• Charging Efficiency: Up to 92%
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The LTC3555EUFD#TRPBF features a 24-pin QFN package with specific pin assignments for input voltage, output voltage, powerpath control, battery charger, and other functionalities.

Functional Features

• Integrated synchronous buck-boost DC/DC converters
• PowerPath control for seamless power source transition
• Programmable maximum power point tracking (MPPT) battery charger
• Low dropout linear regulator
• Thermal shutdown and overcurrent protection

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for flexibility in power sources
• Efficient power management with low quiescent current
• Integrated DC/DC converters reduce external component count
• PowerPath control ensures continuous power supply
• MPPT battery charger maximizes charging efficiency

Disadvantages

• Limited maximum output current compared to higher-power PMICs
• May require additional external components for specific applications

Working Principles

The LTC3555EUFD#TRPBF operates by efficiently converting and managing power from input sources to provide regulated output voltages while simultaneously charging a connected battery. It utilizes integrated DC/DC converters, powerpath control, and battery charging circuitry to ensure optimal power management and battery charging performance.

Detailed Application Field Plans

Portable Electronics

The LTC3555EUFD#TRPBF can be used in portable electronic devices such as smartphones, tablets, and handheld instruments to efficiently manage power and extend battery life.

IoT Devices

In IoT applications, the LTC3555EUFD#TRPBF can be employed to regulate power from energy harvesting sources or batteries, providing reliable power for sensor nodes, wireless modules, and other IoT devices.

Battery-Powered Systems

For battery-powered systems like wearable devices, medical monitors, and remote sensors, the LTC3555EUFD#TRPBF offers compact power management solutions with low quiescent current and efficient battery charging capabilities.

Detailed and Complete Alternative Models

1. LTC3554: Similar functionality with different input/output voltage ranges
2. LTC3556: Higher output current capability with similar features
3. LTC3557: Enhanced power management features for specific applications

This completes the English editing encyclopedia entry structure format for the LTC3555EUFD#TRPBF, covering its product details, specifications, functional features, advantages, disadvantages, working principles, application field plans, and alternative models.