LTC3104EDE#PBF

Product Overview

Category

The LTC3104EDE#PBF belongs to the category of power management integrated circuits (PMICs).

Use

It is primarily used for energy harvesting applications, where it efficiently converts and manages energy from ambient sources such as solar panels, thermoelectric generators, or piezoelectric transducers.

Characteristics

• High efficiency power conversion
• Low quiescent current consumption
• Wide input voltage range
• Integrated maximum power point tracking (MPPT)
• Flexible output voltage options
• Compact package size

Package

LTC3104EDE#PBF is available in a 12-pin DFN (Dual Flat No-Lead) package.

Essence

The essence of LTC3104EDE#PBF lies in its ability to harvest and convert ambient energy into usable electrical power with high efficiency and low power consumption.

Packaging/Quantity

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

Specifications

• Input Voltage Range: 225mV to 5.5V
• Output Voltage Range: 1.8V to 5.25V
• Maximum Output Current: 300mA
• Quiescent Current: 950nA
• MPPT Efficiency: Up to 95%
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

1. VIN: Input voltage pin
2. GND: Ground reference pin
3. VOUT: Output voltage pin
4. EN: Enable pin for controlling the device operation
5. LBO: Low battery output pin indicating low input voltage condition
6. FB: Feedback pin for setting the output voltage
7. SW: Switching node pin for connecting the external inductor
8. PGND: Power ground pin
9. VREF: Reference voltage output pin
10. VFB: Feedback voltage input pin
11. VOUT2: Additional output voltage pin (optional)
12. NC: No connection pin

Functional Features

1. Energy Harvesting: LTC3104EDE#PBF efficiently harvests energy from ambient sources, enabling self-powered systems.
2. Maximum Power Point Tracking (MPPT): Integrated MPPT algorithm optimizes power extraction from the energy source.
3. Low Quiescent Current: The device consumes minimal current during standby or low-power operation, conserving energy.
4. Flexible Output Voltage: The output voltage can be adjusted to suit various application requirements.
5. Overvoltage and Undervoltage Protection: Built-in protection mechanisms safeguard the system from voltage fluctuations.

Advantages and Disadvantages

Advantages

• High efficiency energy conversion
• Wide input voltage range allows compatibility with various energy sources
• Compact package size enables space-constrained designs
• Integrated MPPT improves energy harvesting efficiency
• Low quiescent current consumption prolongs battery life

Disadvantages

• Limited maximum output current may not be suitable for high-power applications
• Requires external components such as inductors and capacitors for proper operation

Working Principles

LTC3104EDE#PBF utilizes a combination of energy harvesting techniques and power management circuitry to convert and regulate the input energy source. The integrated MPPT algorithm ensures maximum power extraction by dynamically adjusting the load impedance. The device operates in a low-power mode when the input energy is insufficient, minimizing power consumption. It also incorporates protection features to prevent damage from overvoltage or undervoltage conditions.

Detailed Application Field Plans

1. Wireless Sensor Networks: LTC3104EDE#PBF can power wireless sensor nodes in remote locations, eliminating the need for battery replacement or external power sources.
2. IoT Devices: It can be used to power low-power IoT devices that rely on energy harvesting, enabling sustainable and autonomous operation.
3. Environmental Monitoring Systems: The PMIC can harvest energy from solar panels or other ambient sources to power environmental monitoring systems in remote areas.
4. Wearable Electronics: LTC3104EDE#PBF can provide power for wearable devices, reducing the reliance on batteries and enhancing user convenience.

Detailed and Complete Alternative Models

1. LTC3105: Similar to LTC3104EDE#PBF, but with higher maximum output current capability.
2. LTC3106: Offers additional features such as battery charging capability and multiple output voltages.
3. LTC3107: Designed specifically for solar energy harvesting applications, providing enhanced efficiency and MPPT performance.

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