AS21P2TLRQ

Product Overview

• Category: Integrated Circuit
• Use: Power Management
• Characteristics: High Efficiency, Low Power Consumption
• Package: TQFP (Thin Quad Flat Package)
• Essence: Power Management IC
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 3.3V - 5.5V
• Output Voltage Range: 0.8V - 3.3V
• Output Current: Up to 2A
• Operating Temperature Range: -40°C to +85°C
• Switching Frequency: 1MHz
• Efficiency: Up to 95%
• Protection Features: Overcurrent Protection, Thermal Shutdown, Undervoltage Lockout

Detailed Pin Configuration

The AS21P2TLRQ package consists of a total of 32 pins. The pin configuration is as follows:

1. VOUT
2. GND
3. EN
4. FB
5. VIN
6. PGND
7. SW
8. COMP
9. SS
10. AGND
11. NC
12. NC
13. NC
14. NC
15. NC
16. NC
17. NC
18. NC
19. NC
20. NC
21. NC
22. NC
23. NC
24. NC
25. NC
26. NC
27. NC
28. NC
29. NC
30. NC
31. NC
32. NC

Functional Features

• High Efficiency: The AS21P2TLRQ offers high efficiency power conversion, resulting in reduced power loss and improved battery life.
• Low Power Consumption: With its low power consumption design, the AS21P2TLRQ minimizes energy waste and extends the operating time of battery-powered devices.
• Overcurrent Protection: The integrated overcurrent protection feature safeguards the circuit from excessive current flow, preventing damage to the device and connected components.
• Thermal Shutdown: In case of excessive temperature rise, the thermal shutdown mechanism activates, protecting the IC from overheating and potential failure.
• Undervoltage Lockout: The undervoltage lockout feature ensures that the output voltage remains within a safe range even during low input voltage conditions.

Advantages and Disadvantages

Advantages: - High efficiency power conversion - Low power consumption - Integrated protection features - Wide input voltage range - Compact TQFP package

Disadvantages: - Limited output current capacity (up to 2A) - Restricted pin configuration options

Working Principles

The AS21P2TLRQ is a power management IC designed to regulate and control the power supply in electronic devices. It operates by converting the input voltage to the desired output voltage with high efficiency. The integrated control circuitry ensures stable and accurate output voltage regulation, while the protection features safeguard the device and connected components from potential damage.

Detailed Application Field Plans

The AS21P2TLRQ finds applications in various electronic devices where efficient power management is crucial. Some of the common application fields include:

1. Mobile Devices: Smartphones, tablets, and portable media players benefit from the AS21P2TLRQ's low power consumption and high efficiency, extending battery life.
2. IoT Devices: Internet of Things (IoT) devices often operate on limited power sources. The AS21P2TLRQ helps optimize power usage, enabling longer operation without frequent battery replacements.
3. Wearable Electronics: Fitness trackers, smartwatches, and other wearable devices require compact and efficient power management solutions. The AS21P2TLRQ's small package size and low power consumption make it suitable for such applications.
4. Industrial Equipment: Various industrial equipment, including sensors, control systems, and motor drives, can benefit from the AS21P2TLRQ's stable power supply and protection features.

Detailed and Complete Alternative Models

1. AS21P3TLRQ: Similar to AS21P2TLRQ but with higher output current capacity (up to 3A).
2. AS21P1TLRQ: Similar to AS21P2TLRQ but with lower output current capacity (up to 1A).
3. AS21P4TLRQ: Similar to AS21P2TLRQ but with additional integrated features such as voltage monitoring and sequencing.

These alternative models provide flexibility in choosing the appropriate power management IC based on specific requirements and application needs.

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