TPS61253YFFR

Product Overview

Category

The TPS61253YFFR belongs to the category of integrated circuits (ICs) and specifically falls under the voltage regulators - switching regulators family.

Use

This product is primarily used for power management applications, where it efficiently steps up input voltages to a higher output voltage level. It is commonly employed in portable electronic devices, such as smartphones, tablets, and wearable devices.

Characteristics

• High efficiency: The TPS61253YFFR offers high conversion efficiency, ensuring minimal power loss during voltage conversion.
• Wide input voltage range: It can accept input voltages ranging from 2.3V to 5.5V, making it compatible with various power sources.
• Adjustable output voltage: The output voltage can be adjusted within a range of 1.8V to 5.5V, providing flexibility for different device requirements.
• Low quiescent current: The IC has a low quiescent current, which helps conserve power when the device is in standby or idle mode.

Package

The TPS61253YFFR is available in a small, lead-free, 20-pin DSBGA (0.4mm pitch) package. This compact package ensures space-saving integration into electronic devices.

Essence

The essence of the TPS61253YFFR lies in its ability to efficiently step up input voltages, enabling stable and regulated power supply to various electronic components.

Packaging/Quantity

The TPS61253YFFR is typically packaged in reels, containing 3000 units per reel. This packaging quantity allows for efficient manufacturing and distribution processes.

Specifications

• Input Voltage Range: 2.3V to 5.5V
• Output Voltage Range: 1.8V to 5.5V
• Maximum Output Current: 1.2A
• Switching Frequency: 1.2MHz
• Quiescent Current: 30µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TPS61253YFFR features a 20-pin DSBGA package with the following pin configuration:

1. EN (Enable)
2. PG (Power Good)
3. FB (Feedback Voltage)
4. VOUT (Output Voltage)
5. SW (Switch Node)
6. GND (Ground)
7. VIN (Input Voltage)
8. BST (Bootstrap)
9. AGND (Analog Ground)
10. SS/TR (Soft Start/Tracking)
11. SS/TR (Soft Start/Tracking)
12. SS/TR (Soft Start/Tracking)
13. SS/TR (Soft Start/Tracking)
14. SS/TR (Soft Start/Tracking)
15. SS/TR (Soft Start/Tracking)
16. SS/TR (Soft Start/Tracking)
17. SS/TR (Soft Start/Tracking)
18. SS/TR (Soft Start/Tracking)
19. SS/TR (Soft Start/Tracking)
20. SS/TR (Soft Start/Tracking)

Functional Features

• High efficiency voltage conversion
• Adjustable output voltage
• Overcurrent protection
• Thermal shutdown protection
• Soft start and tracking functionality
• Power good indicator

Advantages and Disadvantages

Advantages

• High conversion efficiency reduces power loss.
• Wide input voltage range allows compatibility with various power sources.
• Adjustable output voltage provides flexibility for different device requirements.
• Compact package enables space-saving integration.
• Overcurrent and thermal shutdown protection enhance device safety.

Disadvantages

• Limited maximum output current of 1.2A may not be suitable for high-power applications.
• The small package size may require specialized manufacturing techniques.

Working Principles

The TPS61253YFFR operates as a step-up (boost) voltage regulator. It utilizes a high-frequency switching technique to efficiently convert lower input voltages to higher output voltages. The IC incorporates control circuitry, power MOSFETs, and other components to regulate the voltage conversion process.

Detailed Application Field Plans

The TPS61253YFFR finds extensive application in various portable electronic devices, including: - Smartphones - Tablets - Wearable devices - Portable media players - GPS navigation systems - Digital cameras

Its ability to efficiently step up input voltages makes it suitable for powering the different components within these devices, such as microprocessors, memory modules, display panels, and wireless communication modules.

Detailed and Complete Alternative Models

1. TPS61250YFFR: Similar to the TPS61253YFFR, but with a lower maximum output current of 500mA.
2. TPS61251YFFR: Similar to the TPS61253YFFR, but with a lower maximum output current of 800mA.
3. TPS61252YFF