LTC3104EMSE#TRPBF

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management

Characteristics: - Low power energy harvesting power supply - High efficiency step-up DC/DC converter - Wide input voltage range - Adjustable output voltage - Low quiescent current - Small package size

Package: MSOP-10

Essence: The LTC3104EMSE#TRPBF is an integrated circuit designed for low power energy harvesting applications. It efficiently converts energy from a variety of sources, such as solar panels or thermoelectric generators, into usable power for electronic devices.

Packaging/Quantity: The LTC3104EMSE#TRPBF is available in a MSOP-10 package and is typically sold in reels of 2500 units.

Specifications

• Input Voltage Range: 225mV to 5V
• Output Voltage Range: 1.8V to 5.25V
• Quiescent Current: 950nA
• Maximum Output Current: 300mA
• Efficiency: Up to 90%
• Operating Temperature Range: -40°C to 85°C

Pin Configuration

The LTC3104EMSE#TRPBF has the following pin configuration:

1. VOUT: Output Voltage
2. GND: Ground
3. VIN: Input Voltage
4. EN: Enable Pin
5. FB: Feedback Pin
6. VSTORE: Storage Capacitor Connection
7. VSTOREREF: Storage Capacitor Reference Voltage
8. LBO: Low Battery Output
9. VREF: Reference Voltage
10. LX: Inductor Connection

Functional Features

• Energy harvesting from low voltage and intermittent sources
• Automatic maximum power point tracking (MPPT)
• Programmable output voltage
• Low quiescent current for extended battery life
• Overvoltage and undervoltage lockout protection
• Thermal shutdown protection

Advantages and Disadvantages

Advantages: - Efficient energy conversion from low voltage sources - Wide input voltage range allows for versatile energy harvesting options - Small package size enables compact designs - Automatic MPPT maximizes power extraction - Low quiescent current prolongs battery life

Disadvantages: - Limited maximum output current may not be suitable for high-power applications - Requires external components for complete power management solution

Working Principles

The LTC3104EMSE#TRPBF operates as a step-up DC/DC converter, converting low voltage input from energy harvesting sources to a higher usable output voltage. It incorporates an automatic maximum power point tracking (MPPT) algorithm to optimize power extraction from the input source.

The IC regulates the output voltage based on the feedback received from the FB pin. The EN pin allows for enable/disable control of the device. The LX pin is connected to an inductor, which stores energy during the charging phase and releases it during the discharge phase.

Detailed Application Field Plans

The LTC3104EMSE#TRPBF is commonly used in various low power energy harvesting applications, including but not limited to: - Wireless sensor networks - Wearable devices - Remote monitoring systems - Environmental monitoring equipment - IoT devices

Alternative Models

1. LTC3105: Similar functionality with additional features such as cold start capability.
2. LTC3106: Higher maximum output current and wider input voltage range.
3. LTC3107: Integrated energy storage and power management solution.

These alternative models offer different specifications and features, allowing designers to choose the most suitable option for their specific application requirements.

In conclusion, the LTC3104EMSE#TRPBF is a low power energy harvesting power supply IC that offers efficient conversion of energy from various sources. Its small package size, wide input voltage range, and low quiescent current make it suitable for a range of applications. However, its limited maximum output current may restrict its use in high-power applications. Designers can also consider alternative models with different specifications to meet their specific needs.