MCP1624-I/MC

Product Overview

Category: Integrated Circuit (IC)
Use: Voltage Boost Regulator
Characteristics: High Efficiency, Low Quiescent Current, Wide Input Voltage Range
Package: SOT-23-5
Essence: Step-Up DC-DC Converter
Packaging/Quantity: Tape and Reel, 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
Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MCP1624-I/MC has a total of five pins:

VIN: Input voltage pin
GND: Ground reference pin
SW: Switching node pin
FB: Feedback voltage pin
VOUT: Output voltage pin

Functional Features

High efficiency up to 96%
Low quiescent current of 19µA
Automatic Pulse Skipping Mode for improved efficiency at light loads
Soft-Start function to reduce inrush current during startup
Overcurrent protection and thermal shutdown features for enhanced safety

Advantages and Disadvantages

Advantages: - High efficiency leads to longer battery life in portable devices - Wide input voltage range allows for flexibility in power supply design - Small package size enables compact circuit layouts - Automatic Pulse Skipping Mode improves efficiency at light loads

Disadvantages: - Limited maximum output current of 500mA - Requires external components for operation - Higher cost compared to non-switching voltage regulators

Working Principles

The MCP1624-I/MC is a step-up DC-DC converter that converts a low input voltage to a higher output voltage. It utilizes a synchronous rectifier topology to achieve high efficiency. The device operates by switching the input voltage on and off at a high frequency, which is then stepped up to the desired output voltage level. The feedback voltage pin (FB) monitors the output voltage and adjusts the duty cycle of the switching signal to maintain a stable output.

Detailed Application Field Plans

The MCP1624-I/MC is commonly used in various applications, including:

Battery-powered devices: Provides a regulated voltage for portable electronics such as smartphones, tablets, and wearables.
IoT devices: Enables efficient power management in Internet of Things (IoT) devices, extending battery life.
Industrial equipment: Used in industrial automation systems, sensors, and control circuits that require a stable power supply.
Automotive electronics: Suitable for automotive applications such as infotainment systems, lighting controls, and advanced driver-assistance systems (ADAS).

Detailed and Complete Alternative Models

MCP1640
MCP16301
MCP16502
MCP1662
MCP16321

These alternative models offer similar functionality and can be considered as substitutes for the MCP1624-I/MC in different applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MCP1624-I/MC v technických řešeních

What is the input voltage range of MCP1624-I/MC?
- The input voltage range of MCP1624-I/MC is 0.35V to 5.5V.
What is the typical output current capability of MCP1624-I/MC?
- The typical output current capability of MCP1624-I/MC is 500 mA.
Can MCP1624-I/MC be used in battery-powered applications?
- Yes, MCP1624-I/MC is suitable for battery-powered applications due to its low input voltage range.
What are the key features of MCP1624-I/MC?
- The key features of MCP1624-I/MC include high efficiency, low quiescent current, and a wide input voltage range.
Is MCP1624-I/MC suitable for portable devices?
- Yes, MCP1624-I/MC is well-suited for portable devices due to its low power consumption and small footprint.
What type of external components are required for MCP1624-I/MC?
- MCP1624-I/MC requires only a few external components, including an inductor and input/output capacitors.
Can MCP1624-I/MC operate in a wide temperature range?
- Yes, MCP1624-I/MC can operate in a wide temperature range, making it suitable for various environmental conditions.
What is the efficiency of MCP1624-I/MC at different load conditions?
- MCP1624-I/MC offers high efficiency across a wide range of load conditions, making it ideal for energy-efficient designs.
Does MCP1624-I/MC have built-in protection features?
- Yes, MCP1624-I/MC includes overcurrent protection and thermal shutdown to ensure reliable operation.
Are there any application notes or reference designs available for MCP1624-I/MC?
- Yes, Microchip provides application notes and reference designs to assist with the implementation of MCP1624-I/MC in technical solutions.