MIC2550YTS-TR

Product Overview

Category

MIC2550YTS-TR belongs to the category of integrated circuits (ICs).

Use

This product is commonly used as a power distribution switch.

Characteristics

• Low RDS(ON) MOSFET switch
• Overcurrent protection
• Thermal shutdown protection
• Under-voltage lockout protection
• Fast short-circuit response time

Package

MIC2550YTS-TR is available in a small SOT-23-5 package.

Essence

The essence of this product lies in its ability to provide efficient and reliable power distribution in various electronic devices.

Packaging/Quantity

MIC2550YTS-TR is typically packaged in reels, with 3000 units per reel.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0V to VIN
• Continuous Current Limit: 500mA
• Short-Circuit Current Limit: 1.5A
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

MIC2550YTS-TR has five pins arranged as follows:

```

---

| | --| EN GND |-- Pin 1: Enable (EN) --| IN OUT |-- Pin 2: Input (IN) --| FB NC |-- Pin 3: Feedback (FB) --| PG NC |-- Pin 4: Power Good (PG) --| VIN NC |-- Pin 5: Voltage Input (VIN) |___________| ```

Functional Features

1. Low RDS(ON) MOSFET Switch: The low on-resistance of the internal MOSFET switch ensures minimal voltage drop and power dissipation.
2. Overcurrent Protection: MIC2550YTS-TR incorporates overcurrent protection, safeguarding the circuit from excessive current flow.
3. Thermal Shutdown Protection: In case of excessive temperature rise, the thermal shutdown feature activates, preventing damage to the device.
4. Under-Voltage Lockout Protection: The under-voltage lockout feature ensures that the output is disabled when the input voltage falls below a certain threshold.
5. Fast Short-Circuit Response Time: The device quickly responds to short-circuit conditions, minimizing potential damage.

Advantages and Disadvantages

Advantages

• Efficient power distribution
• Compact SOT-23-5 package
• Overcurrent and thermal protection
• Fast short-circuit response time

Disadvantages

• Limited continuous current limit (500mA)
• Restricted input voltage range (2.7V to 5.5V)

Working Principles

MIC2550YTS-TR operates as a power distribution switch by controlling the flow of current from the input to the output. It utilizes a low RDS(ON) MOSFET switch to minimize power dissipation. The device incorporates various protection features such as overcurrent, thermal shutdown, and under-voltage lockout to ensure safe operation.

Detailed Application Field Plans

MIC2550YTS-TR finds applications in various electronic devices where efficient power distribution is required. Some potential application fields include:

1. Mobile devices: Power management for battery charging and discharging circuits.
2. Portable audio players: Control of audio amplifier power supply.
3. IoT devices: Power control for sensor modules and communication circuits.
4. Automotive electronics: Switching power supply for infotainment systems.

Detailed and Complete Alternative Models

1. TPS22920: Similar power distribution switch with higher continuous current limit (1A).
2. AP22802: Power switch with adjustable current limit and wider input voltage range (2.5V to 5.5V).
3. FPF2700: Load switch with integrated reverse current protection and higher continuous current limit (1.8A).

(Note: This list is not exhaustive and serves as an example of alternative models.)

In conclusion, MIC2550YTS-TR is a power distribution switch IC that offers efficient power management, compact packaging, and various protection features. Its applications span across multiple electronic devices, making it a versatile choice for power control requirements.

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