STMicroelectronics
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PM8803C

PM8803C

Product Overview

  • Category: Integrated Circuit
  • Use: Power Management
  • Characteristics: High Efficiency, Low Power Consumption
  • Package: SOP-8
  • Essence: Voltage Regulator
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Input Voltage Range: 2.5V to 5.5V
  • Output Voltage Range: 0.6V to VIN
  • Maximum Output Current: 1A
  • Dropout Voltage: 200mV at 500mA
  • Quiescent Current: 50µA
  • Operating Temperature Range: -40°C to +85°C

Pin Configuration

The PM8803C has a SOP-8 package with the following pin configuration:

  1. EN (Enable)
  2. GND (Ground)
  3. FB (Feedback)
  4. VOUT (Output Voltage)
  5. VIN (Input Voltage)
  6. NC (No Connection)
  7. NC (No Connection)
  8. PG (Power Good)

Functional Features

  • High efficiency voltage regulation
  • Low power consumption
  • Overcurrent protection
  • Thermal shutdown protection
  • Power good indicator

Advantages and Disadvantages

Advantages: - High efficiency helps conserve energy - Low power consumption extends battery life - Overcurrent protection ensures device safety - Thermal shutdown protection prevents overheating - Power good indicator provides status indication

Disadvantages: - Limited maximum output current of 1A - Dropout voltage of 200mV may affect performance in low input voltage scenarios

Working Principles

The PM8803C is a voltage regulator that takes an input voltage within the range of 2.5V to 5.5V and provides a regulated output voltage between 0.6V and the input voltage. It achieves high efficiency by utilizing a synchronous buck converter topology. The device operates in continuous mode, ensuring smooth regulation even during load transients.

Detailed Application Field Plans

The PM8803C is commonly used in various applications that require efficient power management. Some of the typical application fields include:

  1. Portable electronic devices
  2. Battery-powered systems
  3. IoT devices
  4. Wearable devices
  5. Embedded systems

Detailed and Complete Alternative Models

  • PM8803A: Similar specifications but with a different package (DFN-8)
  • PM8803B: Higher maximum output current (1.5A) but slightly higher dropout voltage
  • PM8803D: Lower maximum output current (500mA) but lower quiescent current

These alternative models provide flexibility based on specific requirements and constraints.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací PM8803C v technických řešeních

Sure! Here are 10 common questions and answers related to the application of PM8803C in technical solutions:

  1. Q: What is PM8803C?
    A: PM8803C is a power monitoring IC (integrated circuit) used for measuring and monitoring electrical parameters in various technical applications.

  2. Q: What are the key features of PM8803C?
    A: The key features of PM8803C include high accuracy measurement, wide input voltage range, low power consumption, and built-in communication interfaces.

  3. Q: How can PM8803C be used in energy management systems?
    A: PM8803C can be integrated into energy management systems to measure and monitor real-time power consumption, helping to optimize energy usage and identify potential energy-saving opportunities.

  4. Q: Can PM8803C be used in industrial automation applications?
    A: Yes, PM8803C is suitable for industrial automation applications as it can accurately measure parameters like voltage, current, power factor, and harmonics, enabling efficient control and monitoring of electrical systems.

  5. Q: Is PM8803C compatible with microcontrollers or microprocessors?
    A: Yes, PM8803C has built-in communication interfaces such as I2C and SPI, making it compatible with most microcontrollers and microprocessors for seamless integration into larger systems.

  6. Q: Can PM8803C be used in renewable energy systems?
    A: Absolutely, PM8803C can be employed in renewable energy systems to monitor the performance of solar panels, wind turbines, or other renewable energy sources, ensuring optimal power generation.

  7. Q: Does PM8803C support data logging?
    A: Yes, PM8803C can store measured data internally or transmit it to an external memory device, allowing for data logging and analysis for further evaluation and reporting.

  8. Q: Can PM8803C measure reactive power?
    A: Yes, PM8803C can accurately measure both active and reactive power, providing comprehensive information about the power quality in a given system.

  9. Q: Is PM8803C suitable for residential energy monitoring applications?
    A: Absolutely, PM8803C is well-suited for residential energy monitoring as it can measure parameters like voltage, current, and power consumption, enabling homeowners to track their energy usage.

  10. Q: Are there any specific safety considerations when using PM8803C?
    A: While PM8803C itself does not pose any safety risks, it is important to follow proper electrical safety guidelines when integrating it into a larger system to ensure safe operation.

Please note that these questions and answers are general and may vary depending on the specific application and requirements.