Specifications
| Attribute | Value |
| Package | Bulk,Tube |
| ProductStatus | Active |
| OutputType | Transistor Driver |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| NumberofOutputs | 1 |
| OutputPhases | 1 |
| Voltage-Supply(Vcc/Vdd) | 8V ~ 40V |
| Frequency-Switching | Up to 1MHz |
| DutyCycle(Max) | 94% |
| SynchronousRectifier | Yes |
| ClockSync | Yes |
| ControlFeatures | Current Limit, Enable, Frequency Control, Soft Start |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 16-PowerTSSOP (0.173, 4.40mm Width) |
Overview
Description
The TPS40055PWP is a high-performance, synchronous buck controller from Texas Instruments, designed for DC-DC conversion applications. It is part of the TPS4005x family, which provides flexible and efficient power management solutions. The controller is capable of driving external N-channel MOSFETs, and supports input voltages ranging from 8 V to 40 V. It is ideal for applications requiring high power density and efficiency, such as telecommunications, networking, and industrial power systems.
Key features of the TPS40055PWP include programmable switching frequency, voltage-mode control with feed-forward compensation, and configurable soft-start functionality to reduce inrush current during startup. The device also offers protection features such as pulse-by-pulse current limiting, thermal shutdown, and undervoltage lockout, enhancing reliability and safety in various operating conditions.
The TPS40055PWP is available in a 16-pin PowerPAD™ package, which aids in thermal management. Its design flexibility and robust feature set make it suitable for a wide range of demanding power applications.
Key features of the TPS40055PWP include programmable switching frequency, voltage-mode control with feed-forward compensation, and configurable soft-start functionality to reduce inrush current during startup. The device also offers protection features such as pulse-by-pulse current limiting, thermal shutdown, and undervoltage lockout, enhancing reliability and safety in various operating conditions.
The TPS40055PWP is available in a 16-pin PowerPAD™ package, which aids in thermal management. Its design flexibility and robust feature set make it suitable for a wide range of demanding power applications.
Equivalent
The TPS40055PWP is a synchronous buck controller from Texas Instruments. Equivalent products include:
1. LTC3829 from Analog Devices
2. LM5116 from Texas Instruments
3. MAX15024 from Maxim Integrated (now part of Analog Devices)
4. ISL8117 from Renesas Electronics
5. MP2955 from Monolithic Power Systems
Select based on specific design requirements and availability. Always check the datasheets to ensure compatibility, as pin configurations and features may vary.
1. LTC3829 from Analog Devices
2. LM5116 from Texas Instruments
3. MAX15024 from Maxim Integrated (now part of Analog Devices)
4. ISL8117 from Renesas Electronics
5. MP2955 from Monolithic Power Systems
Select based on specific design requirements and availability. Always check the datasheets to ensure compatibility, as pin configurations and features may vary.
Features
The TPS40055PWP 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 8 V to 40 V, making it versatile for various applications.
2. Adjustable Output Voltage: Enables precise control of output voltages, which can be fine-tuned as per requirements.
3. High-Efficiency: Features synchronous rectification to improve efficiency, especially under heavy load conditions.
4. Programmable Switching Frequency: Allows the user to set the switching frequency between 100 kHz and 1 MHz to optimize for efficiency or component size.
5. Soft-Start: Incorporates a soft-start function to limit inrush current during power-up, protecting the circuit.
6. Current Mode Control: Provides excellent line and load transient response, enhancing system stability.
7. Overcurrent Protection: Includes overcurrent protection to safeguard against excessive load currents.
8. Thermal Shutdown: Protects the device from damage due to overheating by shutting down under high temperature conditions.
These features make it suitable for use in industrial, communication, and computing applications where reliable power conversion is essential.
1. Wide Input Voltage Range: Supports input voltages from 8 V to 40 V, making it versatile for various applications.
2. Adjustable Output Voltage: Enables precise control of output voltages, which can be fine-tuned as per requirements.
3. High-Efficiency: Features synchronous rectification to improve efficiency, especially under heavy load conditions.
4. Programmable Switching Frequency: Allows the user to set the switching frequency between 100 kHz and 1 MHz to optimize for efficiency or component size.
5. Soft-Start: Incorporates a soft-start function to limit inrush current during power-up, protecting the circuit.
6. Current Mode Control: Provides excellent line and load transient response, enhancing system stability.
7. Overcurrent Protection: Includes overcurrent protection to safeguard against excessive load currents.
8. Thermal Shutdown: Protects the device from damage due to overheating by shutting down under high temperature conditions.
These features make it suitable for use in industrial, communication, and computing applications where reliable power conversion is essential.
Pinout
The TPS40055PWP is a synchronous buck controller from Texas Instruments, typically used in power management applications. It comes in a TSSOP (Thin Shrink Small Outline Package) with 20 pins. This device is designed to control high-performance step-down (buck) DC-DC conversion and is suitable for high-current, low-output voltage applications.
Key functions of the TPS40055PWP include:
1. Voltage Mode Control: It uses voltage mode control with input feedforward to improve line regulation and transient response.
2. Synchronization: Capable of synchronizing to an external clock for reduced interference.
3. Adjustable Switching Frequency: Allows the user to set the operating frequency, providing flexibility in design.
4. High Output Current: Designed to manage high-output current applications, making it useful in computing and networking equipment.
5. Soft Start: Features a soft-start function to minimize inrush current during startup.
6. Adjustable Overcurrent Protection: Provides protection features to enhance system reliability.
This concise information provides an overview of the pin count and main functions of the TPS40055PWP. For detailed pin configuration and specific electrical characteristics, refer to the official datasheet.
Key functions of the TPS40055PWP include:
1. Voltage Mode Control: It uses voltage mode control with input feedforward to improve line regulation and transient response.
2. Synchronization: Capable of synchronizing to an external clock for reduced interference.
3. Adjustable Switching Frequency: Allows the user to set the operating frequency, providing flexibility in design.
4. High Output Current: Designed to manage high-output current applications, making it useful in computing and networking equipment.
5. Soft Start: Features a soft-start function to minimize inrush current during startup.
6. Adjustable Overcurrent Protection: Provides protection features to enhance system reliability.
This concise information provides an overview of the pin count and main functions of the TPS40055PWP. For detailed pin configuration and specific electrical characteristics, refer to the official datasheet.
Manufacturer
The TPS40055PWP is manufactured by Texas Instruments Incorporated (TI), a global semiconductor company. Texas Instruments designs and produces a wide range of semiconductor products, including integrated circuits (ICs) and embedded processors, which are used in a variety of applications across different industries. The company is well-known for its development of analog electronics, digital signal processing (DSP) solutions, and microcontrollers.
TI is recognized for its innovation in the semiconductor industry and provides solutions that enhance electronic systems in automotive, industrial, consumer electronics, telecommunications, and computing sectors. It is headquartered in Dallas, Texas, and operates manufacturing, design, and sales operations worldwide, making it one of the leading companies in the semiconductor industry.
TI is recognized for its innovation in the semiconductor industry and provides solutions that enhance electronic systems in automotive, industrial, consumer electronics, telecommunications, and computing sectors. It is headquartered in Dallas, Texas, and operates manufacturing, design, and sales operations worldwide, making it one of the leading companies in the semiconductor industry.
Application
The TPS40055PWP is a synchronous buck controller used primarily in power management applications. Its key application areas include telecommunications, data communications, and server systems, where it manages power conversion efficiently. It is suitable for point-of-load regulation in distributed power architectures and can be used in industrial and consumer electronics requiring high-current, low-voltage outputs. The controller's ability to deliver high efficiency and support wide input voltage ranges makes it ideal for use in DC-DC converters within embedded systems and battery-powered devices. Additionally, its programmable operating frequency and current-mode control enhance flexibility and precision in power supply design.
Package
The TPS40055PWP is a synchronous buck controller from Texas Instruments, packaged in a 20-pin TSSOP (Thin Shrink Small Outline Package) with a PowerPAD for enhanced thermal performance.
