LTC3890MPUH-2#PBF

Product Overview

Category

The LTC3890MPUH-2#PBF belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This product is primarily used in various power management systems, including but not limited to battery-powered devices, industrial equipment, telecommunications, and automotive applications.

Characteristics

• High efficiency: The LTC3890MPUH-2#PBF offers high efficiency power conversion, minimizing energy losses.
• Wide input voltage range: It can handle a wide range of input voltages, making it suitable for diverse applications.
• Adjustable output voltage: The output voltage can be easily adjusted to meet specific requirements.
• Current sensing and protection: The IC incorporates current sensing and protection features, ensuring safe operation.

Package

The LTC3890MPUH-2#PBF comes in a compact and robust package, allowing for easy integration into various electronic systems. The package type is MPUH, which stands for Multi-Pin Power Package with an exposed pad.

Essence

The essence of the LTC3890MPUH-2#PBF lies in its ability to efficiently manage power conversion, providing stable and reliable power supply to connected devices.

Packaging/Quantity

This product is typically packaged in reels or tubes, depending on the manufacturer's specifications. The exact quantity per package may vary, but it is commonly available in quantities suitable for both prototyping and mass production.

Specifications

• Input Voltage Range: 4V to 60V
• Output Voltage Range: 0.8V to 24V
• Maximum Continuous Output Current: 20A
• Switching Frequency Range: 100kHz to 1MHz
• Operating Temperature Range: -40°C to 125°C
• Control Interface: SPI/I2C

Detailed Pin Configuration

The LTC3890MPUH-2#PBF features a multi-pin configuration, enabling seamless integration into power management systems. The pinout diagram is as follows:

Pin 1: VIN Pin 2: GND Pin 3: VOUT Pin 4: FB Pin 5: SS Pin 6: EN Pin 7: PGND Pin 8: SYNC Pin 9: CLK Pin 10: SDA Pin 11: SCL Pin 12: INTVCC Pin 13: VCC Pin 14: NC Pin 15: NC Pin 16: EPAD

Functional Features

• High Efficiency Conversion: The LTC3890MPUH-2#PBF utilizes advanced control algorithms to achieve high conversion efficiency, minimizing power losses.
• Wide Input Voltage Range: It can handle a wide range of input voltages, allowing for versatile applications.
• Programmable Output Voltage: The output voltage can be easily adjusted through the control interface, providing flexibility in system design.
• Current Sensing and Protection: The IC incorporates current sensing mechanisms and protection features to ensure safe operation and prevent damage to connected devices.

Advantages and Disadvantages

Advantages

• High efficiency power conversion
• Wide input voltage range
• Adjustable output voltage
• Current sensing and protection features
• Compact and robust package

Disadvantages

• Requires additional external components for complete power management system implementation
• May require technical expertise for optimal configuration and usage

Working Principles

The LTC3890MPUH-2#PBF operates based on a switching regulator topology. It utilizes pulse-width modulation (PWM) techniques to regulate the output voltage. The control interface allows for precise adjustment of the duty cycle, which determines the output voltage level. The IC also incorporates feedback mechanisms to maintain stable output voltage despite variations in input voltage and load conditions.

Detailed Application Field Plans

The LTC3890MPUH-2#PBF finds applications in various fields, including: 1. Battery-powered devices: Enables efficient power management in portable electronics, such as smartphones, tablets, and wearable devices. 2. Industrial equipment: Provides reliable power conversion for industrial automation systems, motor control, and instrumentation. 3. Telecommunications: Used in telecom infrastructure equipment, base stations, and network switches to ensure stable power supply. 4. Automotive applications: Suitable for powering automotive electronics, including infotainment systems, advanced driver-assistance systems (ADAS), and lighting systems.

Detailed and Complete Alternative Models

1. LTC3890MPUH-1#PBF: Similar to LTC3890MPUH-2#PBF but with a different pin configuration.
2. LTC3890MPUH-3#PBF: Offers additional features such as built-in fault protection and diagnostic capabilities.
3. LTC3890MPUH-4#PBF: Optimized for high-frequency switching applications