Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| ProductStatus | Active |
| Applications | LCD Monitor, Notebook Display |
| Current-Supply | 700µA |
| Voltage-Supply | 2.7V ~ 5.8V |
| OperatingTemperature | -40°C ~ 85°C |
| MountingType | Surface Mount |
| Package/Case | 24-TSSOP (0.173, 4.40mm Width) Exposed Pad |
Tổng quan
Description
The TPS65145PWPR is a power management IC designed by Texas Instruments, primarily used in applications that require the generation of multiple voltages from a single power source. It is particularly suited for use in LCD displays and e-paper applications. This device integrates a high-efficiency boost converter, providing the necessary output voltages for the source drivers, gate drivers, and logic voltages in display panels.
The TPS65145PWPR offers a wide input voltage range and features adjustable output voltages, allowing flexibility in various design scenarios. It also includes an integrated LDO (Low-Dropout Regulator), which helps in generating a stable output for sensitive circuits.
Additionally, the chip provides multiple protection features, including overcurrent, overtemperature, and undervoltage lockout, ensuring safe operation under varying conditions. Its compact package and high integration level make it a suitable choice for space-constrained applications. Overall, the TPS65145PWPR is a versatile solution for power management in advanced display technologies.
The TPS65145PWPR offers a wide input voltage range and features adjustable output voltages, allowing flexibility in various design scenarios. It also includes an integrated LDO (Low-Dropout Regulator), which helps in generating a stable output for sensitive circuits.
Additionally, the chip provides multiple protection features, including overcurrent, overtemperature, and undervoltage lockout, ensuring safe operation under varying conditions. Its compact package and high integration level make it a suitable choice for space-constrained applications. Overall, the TPS65145PWPR is a versatile solution for power management in advanced display technologies.
Equivalent
The TPS65145PWPR is a DC-DC converter from Texas Instruments designed for LCD bias applications. Equivalent products that can serve similar functions include the MAX15119 from Maxim Integrated, the LT3489 from Analog Devices, and the LM34902 from Texas Instruments. Always compare specifications such as voltage range, current output, and features to ensure compatibility with your specific application.
Features
The TPS65145PWPR is a power management IC designed for LCD bias applications. Key features include:
1. Integrated Boost Converter: Provides a high-efficiency boost converter for generating positive voltages up to 15V.
2. Inverting Buck-Boost Converter: Offers a negative output voltage down to -15V.
3. Low-Dropout (LDO) Voltage Regulators: Ensures accurate voltage supply with minimal power loss.
4. Flexible Sequencing: Supports programmable power-up and power-down sequencing, crucial for LCD panel protection.
5. Adjustable Output Voltages: Output voltages can be set via external resistors, allowing for customization based on specific application requirements.
6. Protection Features: Includes over-voltage, over-current, and thermal shutdown protection to enhance reliability and safety.
7. Compact Package: Available in a TSSOP package, facilitating easy integration into space-constrained designs.
8. Wide Input Range: Operates efficiently over a broad input voltage range, enhancing versatility in various applications.
These features make the TPS65145PWPR ideal for driving and managing power in LCD panels, enhancing display performance and reliability.
1. Integrated Boost Converter: Provides a high-efficiency boost converter for generating positive voltages up to 15V.
2. Inverting Buck-Boost Converter: Offers a negative output voltage down to -15V.
3. Low-Dropout (LDO) Voltage Regulators: Ensures accurate voltage supply with minimal power loss.
4. Flexible Sequencing: Supports programmable power-up and power-down sequencing, crucial for LCD panel protection.
5. Adjustable Output Voltages: Output voltages can be set via external resistors, allowing for customization based on specific application requirements.
6. Protection Features: Includes over-voltage, over-current, and thermal shutdown protection to enhance reliability and safety.
7. Compact Package: Available in a TSSOP package, facilitating easy integration into space-constrained designs.
8. Wide Input Range: Operates efficiently over a broad input voltage range, enhancing versatility in various applications.
These features make the TPS65145PWPR ideal for driving and managing power in LCD panels, enhancing display performance and reliability.
Pinout
The TPS65145PWPR is a power management IC by Texas Instruments designed for E Ink and other electronic paper displays. It is part of the TPS6514x series, which provides a complete power supply solution for these displays. The device comes in a 20-pin HTSSOP package.
### Key Functions:
- Boost Converter: Generates a high voltage used to drive the electronic paper display.
- Inverting Buck-Boost Converter: Provides a negative voltage output.
- Positive Charge Pump: Creates a secondary high positive voltage.
- Negative Charge Pump: Provides a secondary negative voltage output.
- Gate Voltage Shaping: For driving the TFT gates in electronic paper displays.
- Sequencing and Protection: Includes features for power sequencing and fault protection.
This IC is specifically used to manage power for e-paper displays, ensuring efficient operation and the required voltage levels for optimal performance. The package provides ease of integration in compact designs, making it suitable for portable and battery-operated devices.
### Key Functions:
- Boost Converter: Generates a high voltage used to drive the electronic paper display.
- Inverting Buck-Boost Converter: Provides a negative voltage output.
- Positive Charge Pump: Creates a secondary high positive voltage.
- Negative Charge Pump: Provides a secondary negative voltage output.
- Gate Voltage Shaping: For driving the TFT gates in electronic paper displays.
- Sequencing and Protection: Includes features for power sequencing and fault protection.
This IC is specifically used to manage power for e-paper displays, ensuring efficient operation and the required voltage levels for optimal performance. The package provides ease of integration in compact designs, making it suitable for portable and battery-operated devices.
Manufacturer
The TPS65145PWPR is manufactured by Texas Instruments Incorporated, commonly known as TI. Texas Instruments is a global semiconductor company that designs and manufactures a wide range of semiconductor products and integrated circuits. The company is known for its work in the development of analog chips and embedded processors, as well as products for power management, signal processing, and wireless connectivity. TI serves a variety of industries, including automotive, industrial, consumer electronics, communications, and enterprise systems.
Application
The TPS65145PWPR is a power management IC primarily used in applications that require the generation of multiple voltage rails. It is commonly used for driving TFT LCD panels in devices such as monitors, notebooks, and tablet displays. The device integrates a high-performance DC-DC converter, making it suitable for generating the positive and negative supply voltages required for LCD bias, as well as providing the necessary logic voltage. It's also used in applications demanding compact size and high efficiency in power conversion, such as portable devices and battery-powered equipment.
Package
The TPS65145PWPR is a DC-DC converter from Texas Instruments, offered in a 24-pin TSSOP (Thin Shrink Small Outline Package) with PowerPAD for enhanced thermal performance.
