LM5170PHPR

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LM5170PHPR

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BI DIRECTIONAL 48V TO 12V CURREN

  • FabricanteTexas Instruments

  • Peça do Fabricante #LM5170PHPR

  • Ficha Técnica LM5170PHPR DataSheet

  • Em Estoque7342

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Especificações

Atributo Valor
PartStatus Active
OutputType Transistor Driver
Function Step-Up/Step-Down
OutputConfiguration Positive
Topology Buck-Boost
NumberofOutputs 1
OutputPhases 2
Voltage-Supply(Vcc/Vdd) 6V ~ 85V
Frequency-Switching 50kHz ~ 500kHz
ClockSync Yes
ControlFeatures Enable, Frequency Control, Power Good, Soft Start
OperatingTemperature -40°C ~ 125°C (TJ)
MountingType Surface Mount
Package/Case 48-PowerTQFP
SupplierDevicePackage 48-HTQFP (7x7)
BaseProductNumber LM5170

Visão Geral

Description

The LM5170PHPR is a versatile, high-performance DC-DC buck-boost controller designed for a wide range of power management applications. It operates over a broad input voltage range, making it suitable for battery-powered devices, automotive systems, and industrial applications. The device features integrated power switches, enabling efficient power conversion with minimal external components.
Key features include adjustable output voltage, a wide duty cycle range, and robust protection mechanisms such as over-voltage, under-voltage, and thermal shutdown. The LM5170 offers high efficiency, low ripple, and fast transient response, making it ideal for applications requiring reliable and stable power delivery.
It supports various configurations, including single and multi-phase operations, allowing for scalability in design. The device is packaged in a compact, thermally efficient format, facilitating integration into space-constrained environments. Overall, the LM5170PHPR is an excellent choice for engineers looking to implement efficient and flexible power solutions.

Equivalent

The LM5170PHPR is a highly integrated synchronous buck-boost controller. Equivalent products include the TPS63060 from Texas Instruments, LTC3780 from Analog Devices, and MAX16912 from Maxim Integrated. These alternatives offer similar functionalities for managing step-up and step-down voltage regulation in various applications. Always check specific datasheets for detailed specifications and compatibility.

Features

The LM5170PHPR is a high-performance, dual-channel synchronous buck controller designed for DC-DC conversion. Key features include:
1. Wide Input Voltage Range: Supports input voltages from 4.5V to 60V, allowing versatility in various applications.
2. Dual Output Control: Capable of controlling two independent outputs, making it suitable for multi-rail power supplies.
3. Synchronous Rectification: Improves efficiency by using high-side and low-side MOSFETs, reducing power loss.
4. Programmable Switching Frequency: The frequency can be adjusted from 50 kHz to 1 MHz, optimizing performance for specific applications.
5. Integrated Compensation: Simplifies design by minimizing external components for loop compensation.
6. High Efficiency: Typically over 90%, which is essential for thermal management in compact designs.
7. Protection Features: Includes over-voltage protection, under-voltage lockout, and thermal shutdown to ensure safe operation.
8. Small Package: Offered in a compact HTQFP-48 package, facilitating space-constrained designs.
These features make the LM5170PHPR ideal for automotive, industrial, and consumer applications requiring reliable power management.

Pinout

The LM5170PHPR is a dual-channel buck-boost DC-DC controller from Texas Instruments, designed for power management applications. It features a 38-pin HTQFP (Thermal Enhanced Thin Quad Flat Package) package.
The primary functions of the LM5170 include:
1. Buck-Boost Control: It can regulate the output voltage above, below, or equal to the input voltage, making it suitable for applications where the input voltage varies above and below the desired output voltage.

2. Integrated Power Management: It includes features like adaptive voltage positioning, power good indicators, and over-voltage protection.
3. Flexible Configuration: The device supports various configurations, including multiple output options, with programmable switching frequency.
4. Fault Protection: It includes over-temperature and current-limit protections to ensure safe operation.
Overall, the LM5170 is versatile for applications requiring efficient power regulation in systems such as automotive, industrial, and battery-powered devices.

Manufacturer

The LM5170PHPR is manufactured by Texas Instruments (TI), a prominent semiconductor company. Texas Instruments is known for designing and producing a wide range of electronic components, including analog and embedded processing chips. Founded in 1930 and headquartered in Dallas, Texas, the company is a leader in analog and digital signal processing, serving various industries such as automotive, communications, industrial, and consumer electronics. TI is particularly recognized for its innovation in power management solutions, microcontrollers, and integrated circuits. The LM5170 is a specific product within TI's portfolio, functioning as a high-performance buck-boost DC-DC converter designed to efficiently manage power in various applications.

Application

The LM5170PHPR is a versatile buck-boost converter suitable for various applications, including:
1. Battery Management Systems: It efficiently manages battery charging and discharging in portable devices.
2. Power Supply for IoT Devices: Provides stable power from varying input sources for Internet of Things applications.
3. Solar Power Systems: Optimizes energy conversion in solar panels, maintaining output voltage regardless of input fluctuations.
4. LED Drivers: Powers LED lighting systems with high efficiency across different input voltages.
5. Automotive Applications: Serves as a power supply for automotive electronics, ensuring stable operation under varying conditions.
Overall, it enhances efficiency and reliability in diverse power management scenarios.

Package

The LM5170PHPR is available in a HTQFP (Thin Quad Flat Pack) package type, specifically with 32 pins. This package is designed for efficient thermal performance and compact layout in electronic applications.

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