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MCP1643T-I/MS
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MCP1643T-I/MS

Product Overview

Category

The MCP1643T-I/MS belongs to the category of integrated circuits (ICs) and specifically falls under the voltage regulators - switching regulators family.

Use

This product is primarily used for power management applications, where it efficiently steps up or boosts input voltages to a higher level required by various electronic devices.

Characteristics

  • Input Voltage Range: 0.65V to 5.5V
  • Output Voltage Range: 1.8V to 5.5V
  • Maximum Output Current: 500mA
  • Switching Frequency: 1.2MHz
  • Operating Temperature Range: -40°C to +85°C

Package

The MCP1643T-I/MS is available in a small MSOP-10 package, which offers a compact form factor suitable for space-constrained designs.

Essence

The essence of the MCP1643T-I/MS lies in its ability to efficiently convert low input voltages into higher output voltages, making it an essential component in portable electronic devices that require different voltage levels for their operation.

Packaging/Quantity

This product is typically supplied in tape and reel packaging, with a quantity of 3000 units per reel.

Specifications

  • Input Voltage Range: 0.65V to 5.5V
  • Output Voltage Range: 1.8V to 5.5V
  • Maximum Output Current: 500mA
  • Switching Frequency: 1.2MHz
  • Quiescent Current: 19µA (typical)
  • Shutdown Current: 0.1µA (typical)
  • Efficiency: Up to 96% (depending on input/output voltage conditions)

Detailed Pin Configuration

The MCP1643T-I/MS features a total of 10 pins, each serving a specific function:

  1. VIN: Input voltage pin
  2. EN: Enable pin for turning the device on/off
  3. FB: Feedback pin for setting the output voltage level
  4. SW: Switching node pin for connecting the inductor and capacitor
  5. GND: Ground reference pin
  6. VOUT: Output voltage pin
  7. PG: Power good indicator pin
  8. SS: Soft-start pin for controlling the startup time
  9. NC: No connection pin
  10. NC: No connection pin

Functional Features

  • High Efficiency: The MCP1643T-I/MS offers high efficiency, allowing for minimal power loss during voltage conversion.
  • Wide Input Voltage Range: With an input voltage range of 0.65V to 5.5V, this product can handle a wide variety of power sources.
  • Adjustable Output Voltage: The output voltage can be adjusted within the range of 1.8V to 5.5V, providing flexibility for different applications.
  • Power Good Indicator: The power good (PG) pin provides a signal indicating when the output voltage is within the desired range.
  • Soft-Start Functionality: The soft-start (SS) pin allows for controlled startup, reducing stress on the system during power-up.

Advantages and Disadvantages

Advantages

  • High efficiency leads to reduced power consumption.
  • Wide input voltage range enables compatibility with various power sources.
  • Compact package size facilitates space-constrained designs.
  • Adjustable output voltage provides flexibility for different applications.
  • Power good indicator ensures reliable operation.

Disadvantages

  • Maximum output current of 500mA may not be sufficient for high-power applications.
  • Limited number of pins may restrict additional functionality or features.

Working Principles

The MCP1643T-I/MS operates as a synchronous boost converter, utilizing a switching regulator topology. It employs an inductor and capacitor to store and transfer energy, efficiently stepping up the input voltage to the desired output voltage level. The integrated control circuitry ensures proper regulation and stability of the output voltage.

Detailed Application Field Plans

The MCP1643T-I/MS finds applications in various fields, including but not limited to: - Portable electronic devices (e.g., smartphones, tablets, portable media players) - Battery-powered systems - IoT devices - Wearable devices - Industrial equipment - Automotive electronics

Detailed and Complete Alternative Models

  1. MCP1643T: Similar to MCP1643T-I/MS, but available in a different package (SOT-23-6).
  2. MCP1643: Non-inductive version of MCP1643T-I/MS, suitable for applications with specific noise requirements.
  3. MCP1643A: Higher maximum output current variant (up to 800mA) of MCP1643T-I/MS, suitable for more power-hungry applications.

These alternative models offer similar functionality and

Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням MCP1643T-I/MS у технічних рішеннях

  1. Question: What is the input voltage range for MCP1643T-I/MS?
    Answer: The input voltage range for MCP1643T-I/MS is 0.65V to 5.5V.

  2. Question: What is the typical output current capability of MCP1643T-I/MS?
    Answer: The typical output current capability of MCP1643T-I/MS is 500mA.

  3. Question: Can MCP1643T-I/MS be used in battery-powered applications?
    Answer: Yes, MCP1643T-I/MS is suitable for battery-powered applications due to its low input voltage range.

  4. Question: What is the switching frequency of MCP1643T-I/MS?
    Answer: The switching frequency of MCP1643T-I/MS is adjustable from 500kHz to 1.2MHz.

  5. Question: Does MCP1643T-I/MS have built-in overcurrent protection?
    Answer: Yes, MCP1643T-I/MS features overcurrent protection to safeguard the circuit.

  6. Question: Is MCP1643T-I/MS suitable for portable devices?
    Answer: Yes, MCP1643T-I/MS is suitable for portable devices due to its low quiescent current and small package size.

  7. Question: Can MCP1643T-I/MS operate in a wide temperature range?
    Answer: Yes, MCP1643T-I/MS can operate in a wide temperature range, making it suitable for various environments.

  8. Question: What type of package does MCP1643T-I/MS come in?
    Answer: MCP1643T-I/MS is available in a 10-lead MSOP package.

  9. Question: Does MCP1643T-I/MS require external compensation?
    Answer: No, MCP1643T-I/MS has internal compensation, simplifying the design process.

  10. Question: Can MCP1643T-I/MS be used in energy harvesting applications?
    Answer: Yes, MCP1643T-I/MS is suitable for energy harvesting applications due to its low input voltage and high efficiency.