STMPS2171STR

Overview

• Category: Power Management IC
• Use: Power distribution and management in electronic devices
• Characteristics:
  • High efficiency
  • Low power consumption
  • Small form factor
• Package: SOT-23-5
• Essence: Integrated power switch with protection features
• Packaging/Quantity: Tape and reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Current: Up to 500mA
• Quiescent Current: 10µA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The STMPS2171STR has a total of 5 pins arranged as follows:

```

---

| | --| VDD GND |-- Pin 1: Ground (GND) --| EN OUT |-- Pin 2: Output (OUT) --| IN FB |-- Pin 3: Feedback (FB) --| PG NC |-- Pin 4: No Connection (NC) --| VIN |-- Pin 5: Input Voltage (VIN) |___________| ```

Functional Features

• Integrated overcurrent protection
• Thermal shutdown protection
• Undervoltage lockout
• Fast transient response
• Low dropout voltage

Advantages

• Compact size allows for space-saving designs
• Efficient power distribution and management
• Reliable protection features ensure device safety
• Wide input voltage range enables compatibility with various power sources

Disadvantages

• Limited output current may not be suitable for high-power applications
• Not suitable for use in extreme temperature conditions

Working Principles

The STMPS2171STR is designed to regulate and distribute power within electronic devices. It operates by receiving an input voltage (VIN) and converting it to a regulated output voltage (OUT). The integrated power switch ensures efficient power transfer while the protection features safeguard against overcurrent and thermal issues. The device also includes an undervoltage lockout feature to prevent operation below a certain input voltage threshold.

Detailed Application Field Plans

The STMPS2171STR is commonly used in various electronic devices, including:

1. Mobile phones
2. Tablets
3. Portable media players
4. Wearable devices
5. IoT devices

Its small form factor and low power consumption make it ideal for space-constrained applications where power efficiency is crucial.

Alternative Models

• TPS22917STR
• AP22802YSTRL
• NCP380LSN30T1G
• FPF2700MPX

These alternative models offer similar functionality and can be considered as substitutes for the STMPS2171STR based on specific application requirements.

In conclusion, the STMPS2171STR is a power management IC that provides efficient power distribution and management in electronic devices. Its compact size, integrated protection features, and wide input voltage range make it suitable for various applications. However, its limited output current and temperature limitations should be taken into consideration when selecting this device for specific projects.