TPS65168RSBR

Product Overview

Category

The TPS65168RSBR belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This IC is commonly used in electronic devices to efficiently manage power supply and voltage levels. It is particularly suitable for applications requiring multiple power rails, such as LCD displays, touchscreens, and other portable electronic devices.

Characteristics

• High efficiency: The TPS65168RSBR offers high conversion efficiency, minimizing power losses and maximizing battery life.
• Wide input voltage range: It can handle a wide range of input voltages, making it compatible with various power sources.
• Multiple output channels: This IC provides multiple regulated output channels, allowing for flexible power distribution within a device.
• Low quiescent current: The TPS65168RSBR has a low standby current consumption, reducing power drain when the device is idle.

Package and Quantity

The TPS65168RSBR is available in a small outline package (RSB) with exposed thermal pad for enhanced heat dissipation. It is typically sold in reels or tubes, with a quantity of 2500 units per reel.

Specifications

• Input voltage range: 2.7V to 5.5V
• Output voltage range: Adjustable from 1.8V to 5.5V
• Number of output channels: 4
• Maximum output current: 200mA per channel
• Operating temperature range: -40°C to +85°C

Pin Configuration

The TPS65168RSBR features a 20-pin package with the following pin configuration:

1. VCOM
2. VGH
3. VGL
4. VPOS
5. VNEG
6. EN
7. SD
8. FB1
9. FB2
10. FB3
11. FB4
12. GND
13. VDD
14. VREG
15. VGH2
16. VGL2
17. VCOM2
18. VGH3
19. VGL3
20. VCOM3

Functional Features

• Integrated boost converter: The TPS65168RSBR incorporates a boost converter to efficiently step up the input voltage to the desired output levels.
• Programmable output voltages: The IC allows for easy programming of the output voltages through external resistors, providing flexibility in power supply design.
• Overvoltage and undervoltage protection: It includes built-in protection mechanisms to prevent damage from voltage spikes or drops, ensuring the safety of connected devices.
• Soft-start function: The TPS65168RSBR features a soft-start circuitry that gradually ramps up the output voltages, reducing stress on the system during power-up.

Advantages and Disadvantages

Advantages

• High efficiency conversion, minimizing power losses.
• Wide input voltage range for compatibility with various power sources.
• Multiple output channels for flexible power distribution.
• Low quiescent current, reducing standby power consumption.

Disadvantages

• Limited maximum output current per channel (200mA).
• Requires external resistors for output voltage programming.

Working Principles

The TPS65168RSBR operates by converting the input voltage to the desired output levels using a boost converter. The integrated control circuitry ensures efficient power conversion while maintaining stable output voltages. The soft-start function gradually ramps up the output voltages to prevent sudden voltage surges during power-up. Built-in protection mechanisms safeguard against overvoltage and undervoltage conditions, enhancing the reliability of the power management system.

Application Field Plans

The TPS65168RSBR is widely used in various electronic devices requiring efficient power management. Some specific application fields include:

1. LCD displays: The IC is commonly employed in LCD panels to regulate the power supply for backlighting and other display components.
2. Touchscreen devices: It is utilized in touchscreen controllers to manage the power distribution for touch sensors, ensuring reliable and accurate touch input.
3. Portable electronic devices: The TPS65168RSBR finds application in smartphones, tablets, and other portable devices, optimizing power efficiency and extending battery life.

Alternative Models

For those seeking alternative options, the following models offer similar functionality to the TPS65168RSBR:

1. TPS65169RSBR
2. TPS65170RSBR
3. TPS65171RSBR

These alternatives provide comparable features and specifications, allowing designers to choose the most suitable option for their specific requirements.

In conclusion, the TPS65168RSBR is a highly efficient integrated circuit designed for power management applications. With its wide input voltage range, multiple output channels, and low quiescent current, it offers flexibility and energy efficiency. While it has limitations in terms of maximum output current per channel and the need for external resistors for voltage programming,