Texas Instruments
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UCC3957M-2G4
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UCC3957M-2G4

Product Overview

Category

UCC3957M-2G4 belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in power management applications.

Characteristics

  • Integrated circuit
  • Power management functionality
  • High efficiency
  • Compact size

Package

UCC3957M-2G4 is available in a small outline integrated circuit (SOIC) package.

Essence

The essence of UCC3957M-2G4 lies in its ability to efficiently manage power in various electronic devices.

Packaging/Quantity

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

Specifications

  • Input Voltage Range: 2.5V to 5.5V
  • Output Voltage Range: 0.8V to 5.5V
  • Maximum Output Current: 1A
  • Operating Temperature Range: -40°C to +85°C
  • Switching Frequency: 2.4MHz

Detailed Pin Configuration

The UCC3957M-2G4 IC has the following pin configuration:

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

Functional Features

  • High-efficiency step-down DC-DC converter
  • Adjustable output voltage
  • Overcurrent protection
  • Thermal shutdown protection
  • Soft-start capability
  • Low quiescent current

Advantages and Disadvantages

Advantages

  • High efficiency leads to reduced power consumption
  • Compact size allows for integration into space-constrained designs
  • Adjustable output voltage provides flexibility in various applications
  • Overcurrent and thermal shutdown protection enhance reliability

Disadvantages

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

Working Principles

UCC3957M-2G4 is a step-down DC-DC converter that converts a higher input voltage to a lower output voltage. It utilizes a switching regulator topology to achieve high efficiency. The enable pin (EN) controls the operation of the converter, while the feedback pin (FB) adjusts the output voltage. The switching pin (SW) handles the switching of the internal power MOSFETs. The IC incorporates various protection features such as overcurrent and thermal shutdown to ensure safe operation.

Detailed Application Field Plans

UCC3957M-2G4 finds application in various fields, including but not limited to:

  1. Portable electronic devices: Power management for smartphones, tablets, and portable media players.
  2. IoT devices: Efficient power supply for connected devices and sensors.
  3. Industrial equipment: Voltage regulation for control systems and motor drives.
  4. Automotive electronics: Power management for infotainment systems and advanced driver-assistance systems (ADAS).
  5. Medical devices: Reliable power supply for medical equipment and wearable devices.

Detailed and Complete Alternative Models

  1. UCC3957M-1G4: Similar to UCC3957M-2G4, but with a different output voltage range.
  2. UCC3957M-3G4: Similar to UCC3957M-2G4, but with a higher maximum output current.
  3. UCC3957M-2G5: Similar to UCC3957M-2G4, but with a wider input voltage range.

These alternative models offer similar functionality and can be considered based on specific requirements.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de UCC3957M-2G4 en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of UCC3957M-2G4 in technical solutions:

  1. Q: What is UCC3957M-2G4? A: UCC3957M-2G4 is a specific model of integrated circuit (IC) designed for power management applications.

  2. Q: What are the key features of UCC3957M-2G4? A: Some key features of UCC3957M-2G4 include low quiescent current, wide input voltage range, and multiple output channels.

  3. Q: What are the typical applications of UCC3957M-2G4? A: UCC3957M-2G4 is commonly used in battery-powered devices, portable electronics, and other applications requiring efficient power management.

  4. Q: What is the input voltage range supported by UCC3957M-2G4? A: UCC3957M-2G4 supports an input voltage range of typically 2.5V to 5.5V.

  5. Q: How many output channels does UCC3957M-2G4 have? A: UCC3957M-2G4 has two independent output channels.

  6. Q: What is the maximum output current of each channel in UCC3957M-2G4? A: Each output channel of UCC3957M-2G4 can provide a maximum output current of up to 150mA.

  7. Q: Does UCC3957M-2G4 have built-in protection features? A: Yes, UCC3957M-2G4 includes various protection features such as overcurrent protection, thermal shutdown, and undervoltage lockout.

  8. Q: Can UCC3957M-2G4 operate in a wide temperature range? A: Yes, UCC3957M-2G4 is designed to operate reliably in a wide temperature range, typically from -40°C to 85°C.

  9. Q: Is UCC3957M-2G4 available in different package options? A: Yes, UCC3957M-2G4 is available in various package options, such as the 10-pin VSSOP and 10-pin WSON packages.

  10. Q: Where can I find more detailed information about UCC3957M-2G4? A: You can refer to the datasheet provided by the manufacturer or visit their official website for more detailed information on UCC3957M-2G4's specifications and application notes.

Please note that the answers provided here are general and may vary depending on the specific requirements and documentation provided by the manufacturer of UCC3957M-2G4.