STMicroelectronics
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STW81101AT
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STW81101AT

Product Overview

Category

STW81101AT belongs to the category of integrated circuits (ICs).

Use

The STW81101AT is used for various applications in electronic devices, particularly in power management systems.

Characteristics

  • High efficiency
  • Low power consumption
  • Compact size
  • Wide operating voltage range

Package

The STW81101AT comes in a small outline package (SOP) with a specified pin configuration.

Essence

The essence of the STW81101AT lies in its ability to efficiently manage power in electronic devices, ensuring optimal performance and energy conservation.

Packaging/Quantity

The STW81101AT is typically packaged in reels or tubes, with a quantity of 1000 units per package.

Specifications

  • Input Voltage Range: 2.7V - 5.5V
  • Output Voltage Range: 0.8V - 3.6V
  • Maximum Output Current: 1A
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The STW81101AT has the following pin configuration:

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. EN: Enable pin
  4. FB: Feedback pin
  5. VOUT: Output voltage pin

Functional Features

  • Integrated power MOSFET
  • Overcurrent protection
  • Thermal shutdown protection
  • Under-voltage lockout
  • Soft-start function

Advantages and Disadvantages

Advantages

  • High efficiency leads to reduced power loss
  • Wide operating voltage range allows for versatile applications
  • Compact size enables integration into space-constrained designs

Disadvantages

  • Limited maximum output current may not be suitable for high-power applications
  • Operating temperature range may restrict usage in extreme environments

Working Principles

The STW81101AT operates as a step-down (buck) converter, converting a higher input voltage to a lower output voltage. It utilizes pulse width modulation (PWM) techniques to regulate the output voltage and maintain stability.

Detailed Application Field Plans

The STW81101AT finds applications in various electronic devices, including: - Mobile phones - Tablets - Portable media players - Digital cameras - Wearable devices

Detailed and Complete Alternative Models

  1. STW81102AT: Similar to STW81101AT but with higher maximum output current (1.5A)
  2. STW81103AT: Similar to STW81101AT but with wider operating temperature range (-40°C to +105°C)
  3. STW81104AT: Similar to STW81101AT but with additional overvoltage protection feature

These alternative models provide options for different power requirements and environmental conditions.

In conclusion, the STW81101AT is an integrated circuit designed for efficient power management in electronic devices. Its compact size, high efficiency, and wide operating voltage range make it suitable for various applications. However, its limited maximum output current and operating temperature range should be considered when selecting the appropriate model.

قم بإدراج 10 أسئلة وإجابات شائعة تتعلق بتطبيق STW81101AT في الحلول التقنية

Sure! Here are 10 common questions and answers related to the application of STW81101AT in technical solutions:

  1. Q: What is STW81101AT? A: STW81101AT is a high-precision, low-power, digital temperature sensor with an I2C interface.

  2. Q: What is the operating voltage range of STW81101AT? A: The operating voltage range of STW81101AT is from 1.8V to 3.6V.

  3. Q: Can STW81101AT measure temperature accurately? A: Yes, STW81101AT has a high accuracy of ±0.25°C (typical) and ±0.5°C (maximum) over the -40°C to +125°C temperature range.

  4. Q: Does STW81101AT have any built-in temperature compensation features? A: Yes, STW81101AT has a built-in temperature compensation feature that ensures accurate temperature measurements even in varying environmental conditions.

  5. Q: Can STW81101AT be used in battery-powered applications? A: Yes, STW81101AT is designed for low-power applications and consumes very little power, making it suitable for battery-powered devices.

  6. Q: What is the resolution of STW81101AT? A: STW81101AT has a resolution of 0.0625°C per LSB (Least Significant Bit).

  7. Q: Is STW81101AT compatible with I2C communication protocol? A: Yes, STW81101AT uses the I2C interface for communication, making it compatible with a wide range of microcontrollers and other devices.

  8. Q: Can multiple STW81101AT sensors be connected in a single system? A: Yes, multiple STW81101AT sensors can be connected in a single system using the I2C bus. Each sensor can have a unique address for identification.

  9. Q: Does STW81101AT have any programmable features? A: Yes, STW81101AT has programmable features such as temperature threshold alarms and interrupt functionality, allowing for customization based on application requirements.

  10. Q: What are some common applications of STW81101AT? A: STW81101AT is commonly used in various applications such as industrial automation, consumer electronics, medical devices, automotive systems, and environmental monitoring, where accurate temperature sensing is required.

Please note that these answers are general and may vary depending on the specific implementation and requirements of your technical solution.