Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| OutputType | Transistor Driver |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| NumberofOutputs | 1 |
| OutputPhases | 1 |
| Voltage-Supply(Vcc/Vdd) | 3V ~ 20V |
| Frequency-Switching | 200kHz ~ 2MHz |
| DutyCycle(Max) | 90% |
| SynchronousRectifier | Yes |
| ClockSync | Yes |
| SerialInterfaces | PMBus |
| ControlFeatures | Power Good, Tracking |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 24-VFQFN Exposed Pad |
Tổng quan
Description
The TPS40400RHLR is a digital synchronous buck controller from Texas Instruments. It is designed for high-performance, high-density power management applications. The device provides a range of features that make it suitable for use in systems that require efficient power conversion, such as telecommunications, networking, and server applications.
Key features of the TPS40400RHLR include its support for PMBus, which allows for easy configuration and monitoring of the power supply system. It offers precision voltage regulation and supports various protection mechanisms like overcurrent, undervoltage, and over-temperature protection. The controller is highly configurable, enabling users to adjust parameters such as switching frequency and output voltage to optimize performance for specific applications.
The TPS40400RHLR also supports adaptive voltage scaling, which helps improve overall system efficiency. It is packaged in a 24-pin QFN package, allowing for compact design layouts. This makes the TPS40400RHLR an excellent choice for designers looking to implement flexible and reliable power solutions in space-constrained environments.
Key features of the TPS40400RHLR include its support for PMBus, which allows for easy configuration and monitoring of the power supply system. It offers precision voltage regulation and supports various protection mechanisms like overcurrent, undervoltage, and over-temperature protection. The controller is highly configurable, enabling users to adjust parameters such as switching frequency and output voltage to optimize performance for specific applications.
The TPS40400RHLR also supports adaptive voltage scaling, which helps improve overall system efficiency. It is packaged in a 24-pin QFN package, allowing for compact design layouts. This makes the TPS40400RHLR an excellent choice for designers looking to implement flexible and reliable power solutions in space-constrained environments.
Equivalent
The TPS40400RHLR is a digital synchronous buck controller. Equivalent products might include:
1. LTC3880 from Analog Devices - Dual Output Multiphase Synchronous Step-Down DC/DC Controller.
2. ISL68200 from Renesas - Digital DC/DC Controller with PMBus Interface.
3. MAX8688 from Maxim Integrated - Dual-Output, Multiphase, Step-Down DC-DC Controller.
When choosing a substitute, ensure they meet your specific voltage, current, and communication requirements.
1. LTC3880 from Analog Devices - Dual Output Multiphase Synchronous Step-Down DC/DC Controller.
2. ISL68200 from Renesas - Digital DC/DC Controller with PMBus Interface.
3. MAX8688 from Maxim Integrated - Dual-Output, Multiphase, Step-Down DC-DC Controller.
When choosing a substitute, ensure they meet your specific voltage, current, and communication requirements.
Features
The TPS40400RHLR is a synchronous buck controller from Texas Instruments, designed for high-performance DC-DC conversion applications. Key features include:
1. Wide Input Voltage Range: Supports input voltages from 3 V to 20 V, suitable for various power supply applications.
2. High-Efficiency Operation: Designed for high efficiency across a range of load conditions, thanks to its synchronous buck architecture.
3. Programmable Switching Frequency: Offers flexibility with programmable switching frequencies from 200 kHz to 1.2 MHz.
4. Voltage Tracking and Sequencing: Supports voltage tracking and sequencing, useful for complex power supply systems with multiple rails.
5. Current Monitoring and Protection: Includes features for overcurrent protection, ensuring safe operation under fault conditions.
6. Telemetry and Control: Equipped with PMBus interface for configuration, control, and monitoring, enabling enhanced system management.
7. Compact Package: Available in a small 3.5 mm x 3.5 mm QFN package, facilitating compact design and layout.
These features make the TPS40400RHLR suitable for applications requiring precise voltage regulation, such as telecommunications, networking, and data processing systems.
1. Wide Input Voltage Range: Supports input voltages from 3 V to 20 V, suitable for various power supply applications.
2. High-Efficiency Operation: Designed for high efficiency across a range of load conditions, thanks to its synchronous buck architecture.
3. Programmable Switching Frequency: Offers flexibility with programmable switching frequencies from 200 kHz to 1.2 MHz.
4. Voltage Tracking and Sequencing: Supports voltage tracking and sequencing, useful for complex power supply systems with multiple rails.
5. Current Monitoring and Protection: Includes features for overcurrent protection, ensuring safe operation under fault conditions.
6. Telemetry and Control: Equipped with PMBus interface for configuration, control, and monitoring, enabling enhanced system management.
7. Compact Package: Available in a small 3.5 mm x 3.5 mm QFN package, facilitating compact design and layout.
These features make the TPS40400RHLR suitable for applications requiring precise voltage regulation, such as telecommunications, networking, and data processing systems.
Pinout
The TPS40400RHLR is a synchronous buck controller from Texas Instruments. It comes in a 24-pin VQFN (Very Thin Quad Flat No-lead) package. The primary function of the TPS40400RHLR is to manage and control DC-DC conversion processes efficiently. It is designed for use in high-performance applications requiring precise voltage regulation and features functions such as voltage tracking, sequencing, margining, and fault protection. The device supports adaptive voltage positioning and is programmable through its PMBus interface. It is commonly used in telecommunications, server, and networking equipment due to its high-current capability and flexibility.
Manufacturer
The TPS40400RHLR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures a wide array of electronic components, including integrated circuits used in various applications such as analog, digital signal processing, and embedded systems. TI is known for its significant contributions to the electronics industry, offering products that serve diverse sectors such as automotive, industrial, consumer electronics, and communications. The company is headquartered in Dallas, Texas, and has a strong reputation for innovation and quality in the semiconductor industry.
Application
The TPS40400RHLR is a digital synchronous buck PWM controller used in power management applications. It is commonly applied in areas requiring efficient power conversion, such as telecommunications, servers, networking equipment, and storage systems. The controller is suited for systems that need precise voltage regulation and real-time monitoring, making it ideal for advanced computing and industrial applications. Additionally, its flexibility and programmability via the PMBus interface make it a good fit for environments where adaptive power management is essential.
Package
The TPS40400RHLR is a PMBus/I2C compliant synchronous buck controller by Texas Instruments. It comes in a VQFN (Very Thin Quad Flat No-Lead) package with 24 pins. This package type is known for providing a compact footprint and enhanced thermal performance suitable for high-density applications.
