Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| OutputType | Transistor Driver |
| Function | Step-Up/Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck-Boost |
| NumberofOutputs | 1 |
| OutputPhases | 1 |
| Voltage-Supply(Vcc/Vdd) | 4.2V ~ 55V |
| Frequency-Switching | 100kHz ~ 600kHz |
| DutyCycle(Max) | 100% |
| SynchronousRectifier | Yes |
| ClockSync | Yes |
| ControlFeatures | Current Limit, Enable, Frequency Control, Power Good, Soft Start |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 28-PowerTSSOP (0.173, 4.40mm Width) |
Tổng quan
Description
The LM5176PWPR is a versatile 4-switch buck-boost controller from Texas Instruments. It's designed for applications requiring seamless transition between buck (step-down) and boost (step-up) modes, making it suitable for systems with wide input voltage ranges. The controller operates in a synchronous mode, enhancing efficiency by reducing power losses associated with diode conduction.
Key features include a wide input voltage range (3.5V to 42V), programmable switching frequency, and adaptive current limit protection. The device supports various output voltage configurations, ensuring compatibility with numerous power supply designs. It also includes advanced features like programmable soft-start, robust fault protection, and dynamic response capabilities to maintain output stability during load transients.
The LM5176PWPR is housed in a TSSOP (Thin-Shrink Small Outline Package) with 28 pins, aiding in space-efficient designs. Its flexibility and efficiency make it ideal for industrial, automotive, and telecommunications applications where power management is crucial.
Key features include a wide input voltage range (3.5V to 42V), programmable switching frequency, and adaptive current limit protection. The device supports various output voltage configurations, ensuring compatibility with numerous power supply designs. It also includes advanced features like programmable soft-start, robust fault protection, and dynamic response capabilities to maintain output stability during load transients.
The LM5176PWPR is housed in a TSSOP (Thin-Shrink Small Outline Package) with 28 pins, aiding in space-efficient designs. Its flexibility and efficiency make it ideal for industrial, automotive, and telecommunications applications where power management is crucial.
Equivalent
The LM5176PWPR is a synchronous buck-boost controller. Equivalent or similar products include:
1. LTC3780 from Analog Devices: A high-efficiency, buck-boost DC/DC controller.
2. MAX17599 from Maxim Integrated: Offers wide input voltage range and high efficiency.
3. TPS55288 from Texas Instruments: A synchronous buck-boost converter.
4. ISL81601 from Renesas: A bidirectional buck-boost controller.
When considering equivalents, ensure they meet your specific application requirements like voltage range and current capacity.
1. LTC3780 from Analog Devices: A high-efficiency, buck-boost DC/DC controller.
2. MAX17599 from Maxim Integrated: Offers wide input voltage range and high efficiency.
3. TPS55288 from Texas Instruments: A synchronous buck-boost converter.
4. ISL81601 from Renesas: A bidirectional buck-boost controller.
When considering equivalents, ensure they meet your specific application requirements like voltage range and current capacity.
Features
The LM5176PWPR is a versatile buck-boost switching regulator designed for applications that require a regulated output voltage from an input voltage that can be either above, below, or equal to the output voltage. Key features of the LM5176PWPR include:
1. Wide Input Voltage Range: It operates from 3.5 V to 42 V, making it suitable for a variety of power sources.
2. Adjustable Output Voltage: Provides flexibility with output voltages that are adjustable, supporting various application needs.
3. High Efficiency: Designed for efficiency at light loads and heavy loads, improving energy savings.
4. Switching Frequency: Programmable switching frequency from 100 kHz to 600 kHz, allowing for optimization between efficiency and component size.
5. Protection Features: Includes overcurrent protection, thermal shutdown, and undervoltage lockout for reliable operation.
6. Synchronization Capability: Can be synchronized to an external clock, supporting system-level design requirements.
7. Current Mode Control: Offers ease of use and stability over a wide range of operating conditions.
These features make the LM5176PWPR suitable for automotive, industrial, and communication applications.
1. Wide Input Voltage Range: It operates from 3.5 V to 42 V, making it suitable for a variety of power sources.
2. Adjustable Output Voltage: Provides flexibility with output voltages that are adjustable, supporting various application needs.
3. High Efficiency: Designed for efficiency at light loads and heavy loads, improving energy savings.
4. Switching Frequency: Programmable switching frequency from 100 kHz to 600 kHz, allowing for optimization between efficiency and component size.
5. Protection Features: Includes overcurrent protection, thermal shutdown, and undervoltage lockout for reliable operation.
6. Synchronization Capability: Can be synchronized to an external clock, supporting system-level design requirements.
7. Current Mode Control: Offers ease of use and stability over a wide range of operating conditions.
These features make the LM5176PWPR suitable for automotive, industrial, and communication applications.
Pinout
The LM5176PWPR is a buck-boost voltage regulator controller from Texas Instruments. It is designed for applications requiring step-up or step-down voltage conversion. The chip is available in a 28-pin HTSSOP package. The main function of the LM5176 is to provide efficient power conversion for systems that need to maintain a stable output voltage regardless of variations in input voltage, which is particularly useful in battery-powered and automotive applications.
Functions and features of the LM5176 include wide input voltage range, adjustable switching frequency, programmable soft start, and various protection mechanisms such as overcurrent and thermal shutdown. The controller is suitable for designs that require high efficiency and compact size.
Functions and features of the LM5176 include wide input voltage range, adjustable switching frequency, programmable soft start, and various protection mechanisms such as overcurrent and thermal shutdown. The controller is suitable for designs that require high efficiency and compact size.
Manufacturer
The LM5176PWPR is manufactured by Texas Instruments Incorporated, commonly known as TI. Texas Instruments is an American technology company that designs and manufactures semiconductors and various integrated circuits. They are one of the largest semiconductor companies in the world and serve a wide range of industries, including automotive, industrial, consumer electronics, and communications equipment.
TI is known for its innovation in analog and embedded processing technologies. The company's products are essential for various applications, such as power management, signal processing, and wireless communication. TI focuses on developing efficient and reliable solutions to help their customers create advanced electronics that improve everyday life.
TI is known for its innovation in analog and embedded processing technologies. The company's products are essential for various applications, such as power management, signal processing, and wireless communication. TI focuses on developing efficient and reliable solutions to help their customers create advanced electronics that improve everyday life.
Application
The LM5176PWPR is a versatile buck-boost controller used in various power management applications. It is suitable for automotive power supplies, industrial power systems, and communication infrastructure. Its ability to handle wide input voltage ranges makes it ideal for battery-powered systems, such as battery chargers and backup power systems. Additionally, it is used in LED drivers, USB power delivery systems, and distributed power architectures. The controller's efficiency and flexibility support applications requiring stable power delivery over varying input conditions.
Package
The LM5176PWPR is a switching controller IC from Texas Instruments, designed for wide input voltage range buck-boost converters. It is housed in a 28-pin TSSOP (Thin Shrink Small Outline Package) with a PowerPAD for better thermal performance. The PowerPAD helps in dissipating heat efficiently, making it suitable for high-power applications.
