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LM5175QPWPRQ1
+Lista de MateriaisIC REG CTRLR BUCK-BOOST 28HTSSOP
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FabricanteTexas Instruments
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Peça do Fabricante #LM5175QPWPRQ1
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Pacote HTSSOP-28
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Em Estoque6717
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Especificações
| Atributo | Valor |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Series | Automotive, AEC-Q100 |
| Part Status | Active |
| Output Type | Transistor Driver |
| Function | Step-Up/Step-Down |
| Output Configuration | Positive |
| Topology | Buck-Boost |
| Number of Outputs | 1 |
| Output Phases | 1 |
| Voltage - Supply (Vcc/Vdd) | 3.5V ~ 42V |
| Frequency - Switching | 100kHz ~ 600kHz |
| Synchronous Rectifier | Yes |
| Clock Sync | Yes |
| Control Features | Enable, Frequency Control, Power Good, Soft Start |
| Operating Temperature | -40°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount |
Visão Geral
Description
Key features include a wide input voltage range (3.5V to 42V), adjustable switching frequency (100 kHz to 600 kHz), and robust protection mechanisms such as undervoltage lockout, overcurrent protection, and thermal shutdown. It also includes features to enhance efficiency, like adaptive constant on-time (COT) control and synchronous rectification.
The LM5175QPWPRQ1 is available in a thermally enhanced HTSSOP-28 package, making it suitable for compact designs with high power density requirements. Its automotive-grade qualification (Q1) ensures durability and reliability under harsh conditions, supporting the stringent demands of automotive applications.
Equivalent
1. LT8705 - A buck-boost controller from Analog Devices.
2. TPS55288 - A buck-boost converter from Texas Instruments.
3. MAX77827 - A buck-boost regulator from Maxim Integrated.
4. ISL81601 - A high-performance buck-boost controller from Renesas Electronics.
These alternatives vary in features and specifications, so it's essential to review their datasheets to ensure compatibility with your specific application needs.
Features
1. Wide Input Voltage Range: Operates from 3.5V to 42V, making it suitable for automotive and industrial applications.
2. Adjustable Output Voltage: Provides a wide adjustable output voltage range, supporting both step-up and step-down conversions.
3. High Efficiency: Synchronous rectification enhances efficiency across a wide load range.
4. Seamless Transition: Between buck, buck-boost, and boost modes, ensuring consistent performance.
5. Programmable Switching Frequency: Adjustable from 100 kHz to 600 kHz to optimize efficiency and component size.
6. Robust Protection Features: Includes under-voltage lockout, over-current protection, thermal shutdown, and output short-circuit protection.
7. EMI Reduction: Features such as frequency dithering and spread-spectrum techniques help minimize electromagnetic interference.
8. Automotive-Grade Qualification: AEC-Q100 qualified for automotive reliability and performance standards.
This controller is suitable for applications demanding reliable power conversion in harsh environments, such as automotive power systems and industrial power supplies.
Pinout
Key functions of the LM5175QPWPRQ1 include:
1. Buck-Boost Operation: It can seamlessly transition between buck (step-down) and boost (step-up) modes to provide a stable output voltage regardless of whether the input voltage is higher or lower than the output voltage.
2. Wide Input Voltage Range: Supports input voltages from 3.5V to 42V, making it versatile for various applications.
3. Synchronous Operation: Enhances efficiency by using synchronous rectification.
4. Current Limit and Protection: Includes features like overcurrent protection, undervoltage lockout, and thermal shutdown for robust performance.
5. Adjustable Switching Frequency: The switching frequency is adjustable from 100 kHz to 600 kHz, allowing optimization for efficiency and size.
6. External Clock Synchronization: It can synchronize with an external clock for applications requiring precise frequency management.
This combination of features makes the LM5175QPWPRQ1 suitable for automotive, industrial, and telecom power supplies.
Manufacturer
Application
1. Automotive Power Systems: It's used in automotive environments for efficiently managing power conversion, supporting both buck (step-down) and boost (step-up) operations to maintain stable voltage levels.
2. Battery-Powered Systems: Ideal for devices requiring extended battery life by optimizing power conversion efficiency.
3. Industrial Power Supplies: Utilized in robust industrial settings for managing power conversion across varied input voltages.
4. Telecom and Networking Equipment: Provides reliable power management solutions in telecom infrastructure and networking devices.
These applications benefit from the device's ability to handle wide voltage ranges and its high efficiency in power conversion.