TPS51116RGER

TPS51116RGER

Product Overview

Category

The TPS51116RGER belongs to the category of integrated circuits (ICs) and specifically falls under the voltage regulators category.

Use

This IC is primarily used as a synchronous buck controller for point-of-load (POL) applications. It provides high-efficiency power conversion for various electronic devices.

Characteristics

• Synchronous buck controller
• High-efficiency power conversion
• Suitable for POL applications
• Compact package size
• Wide input voltage range
• Adjustable output voltage
• Overcurrent protection
• Thermal shutdown protection

Package and Quantity

The TPS51116RGER is available in a small outline integrated circuit (SOIC) package. It is supplied in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

• Input Voltage Range: 4.5V to 18V
• Output Voltage Range: 0.6V to VIN
• Maximum Output Current: 20A
• Switching Frequency: 300kHz to 1MHz
• Operating Temperature Range: -40°C to 85°C
• Package Type: SOIC-20

Pin Configuration

The TPS51116RGER has a total of 20 pins. The pin configuration is as follows:

1. VIN: Input voltage
2. PGND: Power ground
3. BOOT: Bootstrap capacitor connection
4. PHASE: Phase node connection
5. VDRV: Gate driver supply voltage
6. AGND: Analog ground
7. FB: Feedback voltage
8. COMP: Compensation network connection
9. SS/TR: Soft-start/Tracking control
10. EN: Enable control
11. RT/CLK: Oscillator resistor or external clock input
12. SYNC: External synchronization input
13. VCC: Supply voltage
14. VSENSE: Current sense input
15. ISET: Output current limit setting
16. SS/TR: Soft-start/Tracking control
17. PGND: Power ground
18. SW: Switch node connection
19. SW: Switch node connection
20. VIN: Input voltage

Functional Features

The TPS51116RGER offers several functional features that enhance its performance and usability:

1. Synchronous rectification: The IC utilizes synchronous rectification to minimize power losses and improve efficiency.
2. Adjustable output voltage: The output voltage can be easily adjusted according to the specific requirements of the application.
3. Overcurrent protection: The IC incorporates overcurrent protection to safeguard against excessive current flow, preventing damage to the device and connected components.
4. Thermal shutdown protection: In case of excessive temperature rise, the IC automatically shuts down to prevent overheating and potential damage.

Advantages and Disadvantages

Advantages

• High-efficiency power conversion
• Wide input voltage range
• Compact package size
• Overcurrent and thermal protection
• Adjustable output voltage

Disadvantages

• Limited maximum output current (20A)
• Requires external components for complete functionality

Working Principles

The TPS51116RGER operates as a synchronous buck controller. It regulates the output voltage by controlling the duty cycle of the internal power switches. The input voltage is stepped down to the desired output voltage using high-frequency switching techniques. The IC continuously monitors the output voltage and adjusts the duty cycle accordingly to maintain a stable output.

Detailed Application Field Plans

The TPS51116RGER finds applications in various fields, including but not limited to: - Computer motherboards - Graphics cards - Industrial equipment - Telecommunications devices - Consumer electronics

Alternative Models

For those seeking alternative options, the following models can be considered: - TPS51117RGER - TPS51118RGER - TPS51119RGER

These models offer similar functionality and characteristics, providing flexibility in choosing the most suitable option for specific applications.

In conclusion, the TPS51116RGER is a synchronous buck controller IC designed for high-efficiency power conversion in point-of-load applications. With its adjustable output voltage, overcurrent protection, and compact package size, it offers several advantages for various electronic devices. However, it has limitations in terms of maximum output current and requires external components for complete functionality. Its working principle involves regulating the output voltage by controlling the duty cycle of internal power switches. The IC finds applications in computer motherboards, graphics cards, industrial equipment, telecommunications devices, and consumer electronics. Alternative models such as TPS51117RGER, TPS51118RGER, and TPS51119RGER can also be considered for similar requirements.