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LM5156HPWPR
+BOM2.2MHZ WIDE INPUT NONSYNCHRONOUS
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ManufacturerTexas Instruments
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Mfr. Part #LM5156HPWPR
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In Stock6365
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Specifications
| Attribute | Value |
| Part Status | Active |
| Output Type | Transistor Driver |
| Function | Step-Up, Step-Up/Step-Down |
| Output Configuration | Positive |
| Topology | Boost, Flyback, SEPIC |
| Number of Outputs | 1 |
| Output Phases | 1 |
| Voltage - Supply (Vcc/Vdd) | 2.97V ~ 60V |
| Frequency - Switching | 100kHz ~ 2.2MHz |
| Duty Cycle (Max) | 93% |
| Synchronous Rectifier | No |
| Clock Sync | No |
| Control Features | Current Limit, Enable, Frequency Control, Power Good, Soft Start |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
| Package / Case | 14-PowerTSSOP (0.173", 4.40mm Width) |
| Supplier Device Package | 14-HTSSOP |
| Base Product Number | LM5156 |
| Grade | Automotive |
| Qualification | AEC-Q100 |
Overview
Description
The LM5156HPWPR is a high-performance buck converter designed for power management applications. It features a wide input voltage range from 4.5V to 60V, making it suitable for various power supply designs, including automotive and industrial applications. The device offers a maximum output current of 3A and supports an adjustable output voltage down to 0.8V.
Key features include integrated MOSFETs for improved efficiency, a programmable switching frequency from 100 kHz to 1 MHz, and advanced protection features like over-voltage, over-current, and thermal shutdown. The LM5156HPWPR also includes a Power Good indicator and an enable pin for flexible operation.
Its compact package (HTQFP) enables efficient space utilization in circuit designs. The device is optimal for designs requiring high efficiency, reliability, and performance in challenging environments. Overall, the LM5156HPWPR is ideal for applications where robust power conversion is critical.
Key features include integrated MOSFETs for improved efficiency, a programmable switching frequency from 100 kHz to 1 MHz, and advanced protection features like over-voltage, over-current, and thermal shutdown. The LM5156HPWPR also includes a Power Good indicator and an enable pin for flexible operation.
Its compact package (HTQFP) enables efficient space utilization in circuit designs. The device is optimal for designs requiring high efficiency, reliability, and performance in challenging environments. Overall, the LM5156HPWPR is ideal for applications where robust power conversion is critical.
Equivalent
The LM5156HPWPR chip, a high-performance buck converter, has several equivalent products including the TPS563202 from Texas Instruments, LTC3780 from Analog Devices, and the MIC2269 from Microchip. These alternatives offer similar functionalities in terms of voltage regulation, efficiency, and current handling capabilities. Always check the specific requirements and datasheets to ensure compatibility for your application.
Features
The LM5156HPWPR is a high-efficiency, synchronous step-down (buck) regulator designed for a wide range of applications. Key features include:
1. Input Voltage Range: Supports a broad input voltage range from 4.5V to 60V, accommodating various power sources.
2. Output Current: Capable of delivering up to 3A of continuous output current.
3. High Efficiency: Offers efficiencies up to 95% to minimize power loss and heat generation.
4. Adjustable Output Voltage: The output voltage can be set from 0.8V to the input voltage, allowing for flexibility in design.
5. Built-in Compensation: Integrated compensation simplifies design and enhances stability across various load conditions.
6. Soft Start: Features a programmable soft-start function to reduce inrush current during startup.
7. Thermal Protection: Includes thermal shutdown and overcurrent protection for improved reliability.
8. Package: Available in a compact HTQFP package, facilitating space-saving designs.
These features make the LM5156HPWPR suitable for automotive, industrial, and telecom applications.
1. Input Voltage Range: Supports a broad input voltage range from 4.5V to 60V, accommodating various power sources.
2. Output Current: Capable of delivering up to 3A of continuous output current.
3. High Efficiency: Offers efficiencies up to 95% to minimize power loss and heat generation.
4. Adjustable Output Voltage: The output voltage can be set from 0.8V to the input voltage, allowing for flexibility in design.
5. Built-in Compensation: Integrated compensation simplifies design and enhances stability across various load conditions.
6. Soft Start: Features a programmable soft-start function to reduce inrush current during startup.
7. Thermal Protection: Includes thermal shutdown and overcurrent protection for improved reliability.
8. Package: Available in a compact HTQFP package, facilitating space-saving designs.
These features make the LM5156HPWPR suitable for automotive, industrial, and telecom applications.
Pinout
The LM5156HPWPR is a high-voltage synchronous boost controller with a pin count of 16. It is designed for use in various applications, including battery-powered devices and power management systems.
Key functions of the LM5156HPWPR include:
1. Switching Regulation: It regulates output voltage with high efficiency.
2. Current Mode Control: Provides improved transient response and stability.
3. Integrated MOSFETs: Reduces component count and board space.
4. Power Good Indicator: Signals when the output voltage is within the desired range.
5. Adjustable Switching Frequency: Allows flexibility in design and optimization for efficiency.
6. Over-voltage and Over-current Protection: Ensures safety and reliability in operation.
Its high voltage capability allows it to operate in applications requiring input voltages up to 60V, making it suitable for a variety of power supply designs.
Key functions of the LM5156HPWPR include:
1. Switching Regulation: It regulates output voltage with high efficiency.
2. Current Mode Control: Provides improved transient response and stability.
3. Integrated MOSFETs: Reduces component count and board space.
4. Power Good Indicator: Signals when the output voltage is within the desired range.
5. Adjustable Switching Frequency: Allows flexibility in design and optimization for efficiency.
6. Over-voltage and Over-current Protection: Ensures safety and reliability in operation.
Its high voltage capability allows it to operate in applications requiring input voltages up to 60V, making it suitable for a variety of power supply designs.
Manufacturer
The LM5156HPWPR is manufactured by Texas Instruments (TI), a prominent American technology company. Texas Instruments specializes in designing and manufacturing semiconductors and various integrated circuits, including analog, digital, and mixed-signal devices. Established in 1930, TI is well-known for its innovation in the electronics industry, providing solutions for a wide range of applications, from consumer electronics to industrial and automotive sectors. The LM5156HPWPR is specifically a high-performance synchronous buck converter, used in power management applications. Texas Instruments is recognized for its commitment to quality, reliability, and customer support in the semiconductor market.
Application
The LM5156HPWPR is a high-performance synchronous buck regulator designed for various applications, including industrial power supplies, point-of-load (POL) converters, automotive power management, and telecommunications. It is suitable for powering processors, FPGAs, and DSPs due to its ability to handle high input voltages and provide efficient output regulation. Its features enable use in battery-powered devices, where efficiency and thermal performance are critical. Additionally, it can be employed in renewable energy systems, such as solar inverters, to optimize power conversion.
Package
The LM5156HPWPR is packaged in a HTSSOP-20 (Thermal Enhanced Thin Shrink Small Outline Package) with a wide thermal pad for improved heat dissipation.
