LM5170PHPR

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LM5170PHPR

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Spécifications

Part Status Active
Output Type Transistor Driver
Function Step-Up/Step-Down
Output Configuration Positive
Topology Buck-Boost
Number of Outputs 1
Output Phases 2
Voltage - Supply (Vcc/Vdd) 6V ~ 85V
Frequency - Switching 50kHz ~ 500kHz
Clock Sync Yes
Control Features Enable, Frequency Control, Power Good, Soft Start
Operating Temperature -40°C ~ 125°C (TJ)
Mounting Type Surface Mount
Package / Case 48-PowerTQFP
Supplier Device Package 48-HTQFP (7x7)
Base Product Number LM5170

Vue d'ensemble

Description

The LM5170PHPR is a high-performance, dual-channel synchronous buck controller designed for efficient power management in various applications, including telecommunications, industrial, and automotive systems. It supports a wide input voltage range, typically from 4.5V to 60V, making it versatile for different power supply requirements.
This controller features advanced control techniques, allowing for excellent transient response and regulation accuracy. It offers integrated features such as adaptive gate drive, which improves efficiency, and supports both voltage mode and current mode control schemes.
The LM5170 is capable of driving external MOSFETs, providing flexibility in designing power stages, and includes protections like over-voltage, over-current, and thermal shutdown to ensure safe operation.
With a compact package design and ease of integration, the LM5170PHPR is suitable for applications requiring high-density power solutions. Its robust performance and efficiency make it an ideal choice for modern power supply designs.

Features

The LM5170PHPR is a versatile, dual-channel synchronous buck controller designed for power management applications. Key features include:
1. Wide Input Voltage Range: Supports input voltages from 4.5V to 60V, making it suitable for various power supply applications.
2. Dual Output Capability: Can drive two independent outputs, allowing for flexibility in powering multiple loads.
3. High Efficiency: Utilizes synchronous rectification to minimize power losses and improve overall efficiency.
4. Adjustable Output Voltage: Output voltage can be set between 0.8V and 0.9 × Vin, providing versatility in design.
5. Fast Transient Response: Designed to handle rapid load changes effectively, ensuring stable output voltage.
6. Integrated Current Sensing: Features built-in current sensing for overcurrent protection and fault management.
7. Programmable Switching Frequency: Offers adjustable switching frequency, enhancing design flexibility and minimizing electromagnetic interference (EMI).
These features make the LM5170PHPR ideal for applications such as DC-DC converters, industrial power systems, and battery-powered devices.

Package

The LM5170PHPR is packaged in a HTQFP (Heat Sink Thin Quad Flat Package) with a size of 32 pins. This package type is designed for improved thermal performance and efficient space utilization in electronic circuits.

Pinout

The LM5170PHPR is a high-performance dual output buck-boost controller designed for power management applications. It features a total of 28 pins.
Key Functions:
1. Power Management: It can output both positive and negative voltages, making it suitable for a variety of applications.
2. Dual Outputs: Supports two independent output voltages, allowing flexibility in powering different loads.
3. Integrated MOSFET Drivers: The device includes internal drivers for external power MOSFETs to reduce component count and improve efficiency.
4. Voltage Regulation: It provides precise voltage regulation with features like adjustable output voltage and feedback loop compensation.
5. Protection Features: Includes over-voltage, under-voltage, and thermal shutdown protections.
The LM5170PHPR is typically used in battery-operated devices, portable electronics, and other applications requiring efficient power conversion.

Manufacturer

The LM5170PHPR is manufactured by Texas Instruments (TI), a leading American technology company. Texas Instruments specializes in designing and manufacturing semiconductors and various integrated circuits for a wide range of applications. The company is well-known for its innovation in analog and digital signal processing technologies and has a strong presence in sectors such as automotive, industrial, communications, and consumer electronics. TI focuses on providing high-performance solutions that enhance the efficiency and functionality of electronic devices.

Application

The LM5170PHPR is a versatile buck-boost controller used in various applications, including battery management systems, portable power supplies, automotive power supplies, LED drivers, and industrial power converters. It efficiently handles input voltages below, above, or equal to the output voltage, making it suitable for energy harvesting, solar power systems, and powering devices with varying load conditions. Its ability to manage wide input ranges enhances its adaptability in many electronic designs.

Equivalent

The LM5170PHPR is a dual-channel buck-boost controller. Equivalent products include:
1. LM2576 - Buck regulator.
2. TPS63070 - Buck-boost converter from Texas Instruments.
3. LT1376 - Buck-boost regulator from Analog Devices.
4. MAX8675 - Buck-boost converter from Maxim Integrated.
When selecting alternatives, ensure to check specifications like input/output voltage range and current capabilities.

Expédition

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Référence des frais d'expédition (DHL/FedEx):

DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.

FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.

Paiements

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