LTC3331EUH#PBF

Product Overview

Category

The LTC3331EUH#PBF belongs to the category of power management integrated circuits (PMICs).

Use

It is used for energy harvesting and power management applications in low-power devices.

Characteristics

• Ultra-low quiescent current
• Wide input voltage range
• Integrated DC/DC converter
• Energy storage with LDO and supercapacitor charger

Package

The LTC3331EUH#PBF is available in a 24-pin QFN package.

Essence

The essence of this product lies in its ability to efficiently manage and utilize harvested energy from ambient sources.

Packaging/Quantity

The LTC3331EUH#PBF is typically sold in reels containing a specific quantity, as per the manufacturer's packaging standards.

Specifications

• Input Voltage Range: 1.8V to 5.5V
• Output Voltage: Programmable from 1.8V to 3.3V
• Quiescent Current: 950nA
• Operating Temperature Range: -40°C to 125°C
• Maximum Charging Current: 50mA

Detailed Pin Configuration

The LTC3331EUH#PBF features a 24-pin QFN package with detailed pin configuration as follows: 1. VIN: Input voltage 2. GND: Ground 3. VOUT: Output voltage 4. EN: Enable pin 5. ...

(Provide detailed pin configuration based on the datasheet)

Functional Features

• Energy Harvesting: Efficiently captures and stores energy from ambient sources
• Power Management: Regulates and delivers power to the load
• Low Quiescent Current: Minimizes power consumption in standby mode
• Flexible Output Voltage: Programmable output voltage for compatibility with various loads

Advantages

• Ultra-low quiescent current extends battery life
• Wide input voltage range enables versatile energy harvesting
• Integrated DC/DC converter simplifies power management design
• Energy storage capabilities support intermittent operation

Disadvantages

• Limited maximum charging current may not be suitable for high-power applications
• Complex pin configuration may require careful PCB layout and routing

Working Principles

The LTC3331EUH#PBF operates by efficiently harvesting energy from sources such as solar panels or thermoelectric generators. It then stores this energy in an onboard energy storage element, such as a supercapacitor, while regulating the output voltage to power the load. The ultra-low quiescent current ensures minimal power consumption during standby periods, maximizing the utilization of harvested energy.

Detailed Application Field Plans

The LTC3331EUH#PBF is well-suited for a wide range of low-power applications, including: - Wireless sensor networks - IoT devices - Wearable electronics - Energy harvesting systems - Remote monitoring devices

Detailed and Complete Alternative Models

• LTC3105: Similar energy harvesting PMIC with different input and output voltage ranges
• TPS61200: Step-up DC/DC converter for energy harvesting applications
• MAX17710: Energy harvesting charger with integrated boost converter

In conclusion, the LTC3331EUH#PBF offers a comprehensive solution for energy harvesting and power management in low-power devices, with its ultra-low quiescent current, wide input voltage range, and integrated DC/DC converter making it a versatile choice for various applications.

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