MIC2594-1BM-TR

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management

Characteristics: - High efficiency - Low power consumption - Small form factor - Wide input voltage range

Package: 8-pin SOIC (Small Outline Integrated Circuit)

Essence: The MIC2594-1BM-TR is a power management IC designed for various applications that require efficient power conversion and control.

Packaging/Quantity: The MIC2594-1BM-TR is typically sold in reels of 2500 units.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0.6V to VIN
• Maximum Output Current: 3A
• Switching Frequency: 500kHz
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MIC2594-1BM-TR has the following pin configuration:

1. EN (Enable): Enable pin for turning the IC on/off.
2. FB (Feedback): Feedback pin for regulating the output voltage.
3. GND (Ground): Ground reference for the IC.
4. LX (Switch Node): Switch node connection for the external inductor.
5. PGND (Power Ground): Ground reference for the power stage.
6. VCC (Supply Voltage): Supply voltage input for the IC.
7. SS (Soft-Start): Soft-start capacitor connection for controlling the startup time.
8. VIN (Input Voltage): Input voltage supply for the IC.

Functional Features

• High efficiency synchronous buck regulator.
• Adjustable output voltage through feedback pin.
• Overcurrent protection.
• Thermal shutdown protection.
• Soft-start function for controlled startup.
• Power good indicator for monitoring the output voltage stability.

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption. - Wide input voltage range allows for versatile applications. - Small form factor enables compact designs. - Overcurrent and thermal shutdown protection enhance reliability.

Disadvantages: - Limited maximum output current of 3A may not be suitable for high-power applications. - Requires external inductor and capacitors for operation, increasing component count.

Working Principles

The MIC2594-1BM-TR operates as a synchronous buck regulator, converting the input voltage to a lower regulated output voltage. It utilizes pulse-width modulation (PWM) to control the duty cycle of the internal switches, achieving efficient power conversion. The feedback pin regulates the output voltage by comparing it to a reference voltage. The IC also incorporates various protection features such as overcurrent and thermal shutdown to ensure safe operation.

Detailed Application Field Plans

The MIC2594-1BM-TR can be used in a wide range of applications, including but not limited to: - Portable electronic devices - Battery-powered systems - Industrial automation - Automotive electronics - Telecommunications equipment

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the MIC2594-1BM-TR include: - LM2594-ADJ - LT8610-1 - TPS54331

These alternatives provide comparable features and performance, allowing designers to choose the most suitable option for their specific requirements.

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