SPV1040T
Product Overview
Category
The SPV1040T belongs to the category of power management integrated circuits (PMICs).
Use
It is primarily used for energy harvesting applications, specifically in solar-powered systems.
Characteristics
- High efficiency power conversion
- Wide input voltage range
- Integrated MPPT (Maximum Power Point Tracking) algorithm
- Low-power sleep mode
- Overvoltage and overcurrent protection
Package
The SPV1040T is available in a compact and industry-standard QFN (Quad Flat No-leads) package.
Essence
The essence of the SPV1040T lies in its ability to efficiently convert solar energy into usable electrical power while maximizing the power output from solar panels.
Packaging/Quantity
The SPV1040T is typically sold in reels containing a specified quantity of ICs, depending on the manufacturer's packaging standards.
Specifications
- Input Voltage Range: 0.3V to 5.5V
- Output Voltage Range: 2.5V to 4.5V
- Maximum Output Current: 400mA
- Quiescent Current: 10µA (typical)
- Operating Temperature Range: -40°C to +85°C
Detailed Pin Configuration
The SPV1040T features a total of 16 pins, each serving a specific function. The pin configuration is as follows:
- VIN: Input voltage pin
- GND: Ground reference pin
- VOUT: Output voltage pin
- EN: Enable pin
- PGND: Power ground pin
- PVIN: Photovoltaic input pin
- FB: Feedback pin
- ISET: Current limit setting pin
- VREF: Reference voltage pin
- VBAT: Battery voltage pin
- VBATSENSE: Battery voltage sensing pin
- VDD: Digital supply voltage pin
- SDA: I2C data pin
- SCL: I2C clock pin
- INT: Interrupt output pin
- NC: No connection pin
Functional Features
- Maximum Power Point Tracking (MPPT): The integrated MPPT algorithm ensures that the solar panel operates at its maximum power output, maximizing energy harvesting efficiency.
- Low-Power Sleep Mode: When no input power is detected, the SPV1040T enters a low-power sleep mode to minimize power consumption.
- Overvoltage and Overcurrent Protection: The IC incorporates protection mechanisms to safeguard against overvoltage and overcurrent conditions, ensuring the safety of the connected system.
Advantages and Disadvantages
Advantages
- High efficiency power conversion
- Wide input voltage range allows compatibility with various solar panels
- Integrated MPPT algorithm maximizes energy harvesting efficiency
- Compact package size for space-constrained applications
Disadvantages
- Limited maximum output current may not be suitable for high-power applications
- Requires additional external components for complete system integration
Working Principles
The SPV1040T utilizes a boost converter topology to efficiently convert the low input voltage from the solar panel into a higher output voltage suitable for charging batteries or powering other devices. The integrated MPPT algorithm continuously adjusts the operating point of the solar panel to ensure it operates at its maximum power output.
Detailed Application Field Plans
The SPV1040T finds applications in various fields, including: 1. Solar-powered IoT devices 2. Wireless sensor networks 3. Portable electronic devices 4. Energy harvesting systems 5. Remote monitoring systems
Detailed and Complete Alternative Models
- SPV1040: Similar to SPV1040T but without the integrated MPPT algorithm.
- SPV1050: Higher output current variant of the SPV1040T, suitable for applications requiring more power.
- SPV1010: Lower output current variant of the SPV1040T, suitable for low-power applications.
These alternative models provide options with varying specifications to cater to different application requirements.
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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi SPV1040T dalam penyelesaian teknikal
Sure! Here are 10 common questions and answers related to the application of SPV1040T in technical solutions:
Q: What is SPV1040T? A: SPV1040T is a highly integrated, low-power energy harvester and battery charger IC designed for use in various technical solutions.
Q: What are the key features of SPV1040T? A: The key features of SPV1040T include MPPT (Maximum Power Point Tracking), low-power startup, programmable output voltage, and overvoltage/overcurrent protection.
Q: What is MPPT and why is it important? A: MPPT stands for Maximum Power Point Tracking. It is a technique used to maximize the power output from solar panels or other energy sources. SPV1040T's MPPT feature ensures efficient energy harvesting by continuously adjusting the input impedance to match the source impedance.
Q: Can SPV1040T be used with different types of energy sources? A: Yes, SPV1040T can be used with various energy sources such as solar panels, thermoelectric generators, and piezoelectric transducers, making it versatile for different applications.
Q: How does SPV1040T handle battery charging? A: SPV1040T incorporates a built-in battery charger that supports single-cell Li-ion, Li-polymer, and LiFePO4 batteries. It provides a constant current and constant voltage charging profile.
Q: Is SPV1040T suitable for low-power applications? A: Yes, SPV1040T is designed for low-power applications. It has a low quiescent current and can operate in standby mode, making it ideal for energy-efficient systems.
Q: Can SPV1040T be used in portable devices? A: Absolutely! SPV1040T's compact size and low-power characteristics make it suitable for integration into portable devices like wearables, IoT sensors, and wireless communication modules.
Q: Does SPV1040T have any protection features? A: Yes, SPV1040T includes overvoltage protection (OVP), overcurrent protection (OCP), and thermal shutdown to safeguard the system from potential faults or excessive heat.
Q: Can SPV1040T operate in extreme temperature conditions? A: SPV1040T has a wide operating temperature range of -40°C to 85°C, allowing it to function reliably in various environmental conditions.
Q: Are there any evaluation boards or reference designs available for SPV1040T? A: Yes, STMicroelectronics provides evaluation boards and reference designs that can help developers quickly prototype and implement SPV1040T-based solutions.
Please note that these answers are general and may vary depending on specific application requirements.