MIC2546-2YM-TR

Product Overview

Category

The MIC2546-2YM-TR belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This product is commonly used in various electronic devices and systems to regulate voltage levels, control power distribution, and protect against overcurrent or short-circuit conditions.

Characteristics

• High efficiency: The MIC2546-2YM-TR offers high conversion efficiency, minimizing power losses during voltage regulation.
• Compact package: It comes in a small form factor, making it suitable for space-constrained applications.
• Wide input voltage range: The device can handle a wide range of input voltages, allowing flexibility in different power supply scenarios.
• Overcurrent protection: It incorporates built-in protection mechanisms to safeguard against excessive current flow.
• Short-circuit protection: The MIC2546-2YM-TR includes features that detect and prevent short-circuit conditions, ensuring the safety of the connected circuitry.

Package and Quantity

The MIC2546-2YM-TR is typically packaged in a surface-mount 8-pin SOIC (Small Outline Integrated Circuit) package. It is available in tape and reel packaging, with a standard quantity of 2500 units per reel.

Specifications

• Input Voltage Range: 4.5V to 40V
• Output Voltage Range: Adjustable from 1.25V to 37V
• Maximum Output Current: 500mA
• Quiescent Current: 120µA (typical)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The MIC2546-2YM-TR has the following pin configuration:

```

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| | --| VIN GND |-- Pin 1: VIN (Input Voltage) --| VOUT EN |-- Pin 2: VOUT (Output Voltage) --| FB GND |-- Pin 3: FB (Feedback) --| NC GND |-- Pin 4: Not Connected --| GND GND |-- Pin 5: Ground --| EN GND |-- Pin 6: Enable --| GND GND |-- Pin 7: Ground --| VIN GND |-- Pin 8: VIN (Input Voltage) |___________| ```

Functional Features

• Voltage Regulation: The MIC2546-2YM-TR provides precise voltage regulation, ensuring a stable output voltage regardless of input variations.
• Enable Control: The enable pin (EN) allows for easy on/off control of the device, conserving power when not in use.
• Overcurrent Protection: The integrated overcurrent protection circuitry safeguards against excessive current flow, preventing damage to the connected components.
• Short-Circuit Protection: The MIC2546-2YM-TR includes short-circuit protection mechanisms that detect and respond quickly to prevent damage caused by short-circuit conditions.

Advantages and Disadvantages

Advantages

• High efficiency conversion minimizes power losses.
• Compact package suitable for space-constrained applications.
• Wide input voltage range provides flexibility in power supply scenarios.
• Built-in overcurrent and short-circuit protection enhance system reliability.

Disadvantages

• Limited maximum output current of 500mA may not be sufficient for high-power applications.
• Lack of adjustable output current limits customization options.

Working Principles

The MIC2546-2YM-TR operates based on a switching regulator topology. It utilizes an internal oscillator to control the switching frequency and regulate the output voltage. By adjusting the feedback voltage (FB), the desired output voltage can be set. The enable pin (EN) allows for easy control of the device's operation, enabling power conservation when not needed. The integrated protection mechanisms monitor the input and output currents, ensuring safe operation under various load conditions.

Detailed Application Field Plans

The MIC2546-2YM-TR finds applications in a wide range of electronic systems, including but not limited to: 1. Battery-powered devices: It can be used to regulate voltage levels in portable electronics such as smartphones, tablets, and wearable devices. 2. Automotive electronics: The device is suitable for automotive applications, providing stable power supply and protection against voltage fluctuations. 3. Industrial automation: It can be employed in industrial control systems, motor drives, and robotics to ensure reliable power management. 4. Telecommunications: The MIC2546-2YM-TR can be utilized in telecom infrastructure equipment, routers, and switches to maintain stable power delivery.

Alternative Models

For those seeking alternative options, the following models offer similar functionality to the MIC2546-2YM-TR: - LM2576-ADJ - LT1172-5 - TPS5430

These alternatives provide comparable features and can be considered based