圖片僅供參考

MAX1873SEEE+

Name: MAX1873SEEE+
Rating: 4.7 (12 reviews)

IC BAT CHG MULT-CHEM 3CEL 16QSOP

製造商
製造商。部分 #MAX1873SEEE+
包 QSOP-16
資料表
有現貨的8007

+BOM RFQ

100%原創；新

24小時準備發貨

365天保修

RFQ&；獲得更多折扣

規格

Package	Tube
ProductStatus	Obsolete
BatteryChemistry	Multi-Chemistry
NumberofCells	3
Current-Charging	Constant - Programmable
ChargeCurrent-Max	4A
BatteryPackVoltage	12.6V
Voltage-Supply(Max)	28V
OperatingTemperature	-40°C ~ 85°C (TA)
MountingType	Surface Mount
Package/Case	16-SSOP (0.154, 3.90mm Width)

概述

Description

The MAX1873SEEE+ is a high-efficiency, step-down DC-DC converter designed for use in battery-powered applications. It features a wide input voltage range of 2.5V to 5.5V, making it suitable for various battery types, including Li-ion and Li-polymer. The device delivers a maximum output current of 1A with a low quiescent current, enhancing battery life.
This converter operates at a fixed frequency of 1.2 MHz, allowing for small external components and a compact design. It includes features such as thermal shutdown, overcurrent protection, and under-voltage lockout, ensuring robust performance and reliability.
The MAX1873SEEE+ is available in an ultra-small, 10-pin µMAX package, facilitating easy integration into space-constrained applications. Its efficiency can exceed 90%, minimizing heat generation and extending the usable time between charges. Ideal applications include portable devices, wireless sensors, and other battery-operated systems.

Features

The MAX1873SEEE+ is a high-efficiency DC-DC converter designed for portable applications. Key features include:
1. Input Voltage Range: 2.5V to 5.5V, allowing it to support various battery types.
2. Output Voltage Range: Adjustable output from 1.2V to 5V, providing versatility for different applications.
3. High Efficiency: Up to 95% efficiency, which extends battery life in portable devices.
4. Low Quiescent Current: Minimizes power consumption during idle operation, enhancing battery performance.
5. Synchronous Rectification: Reduces power loss compared to traditional diode-based designs, improving efficiency.
6. Integrated Switches: Simplifies the design and reduces the number of external components required.
7. Short-Circuit Protection: Ensures device safety under fault conditions.
8. Thermal Shutdown: Protects against overheating, enhancing reliability.
These features make the MAX1873SEEE+ suitable for a range of battery-powered devices, including mobile phones, cameras, and other compact electronics.

Package

The MAX1873SEEE+ is packaged in a 28-pin TSSOP (Thin Shrink Small Outline Package) format.

Pinout

The MAX1873SEEE+ is a mixed-signal power management integrated circuit (PMIC) designed for use in portable electronic devices. It features a total of 24 pins.
The main functions of the MAX1873SEEE+ include:
1. Step-Down Regulator: It provides a high-efficiency step-down (buck) converter to step down voltage for powering processors and other peripherals.
2. LDOs: The device includes low-dropout regulators (LDOs) for additional power supply needs.
3. Battery Management: It supports battery management functions including charging and protection.
4. Power Path Management: It manages power distribution between the battery and system load.
The device offers features like adjustable output voltage, high efficiency, and supports multiple operating modes for flexibility in portable applications. Always refer to the datasheet for detailed pin configurations and electrical characteristics.

Manufacturer

The MAX1873SEEE+ is manufactured by Analog Devices, Inc. (ADI), a multinational company that specializes in designing and manufacturing high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965, Analog Devices serves a variety of markets, including communications, automotive, industrial, and consumer electronics. The company is known for its innovation in signal processing technology and offers a wide range of products, including amplifiers, converters, and sensors. ADI is recognized for its commitment to quality and reliability in the semiconductor industry.

Application

The MAX1873SEEE+ is a high-performance, low-dropout (LDO) voltage regulator primarily used in battery-powered devices, portable electronics, and industrial applications. Its key features, including low quiescent current and fast transient response, make it suitable for powering microcontrollers, sensors, and RF applications. Additionally, it is commonly employed in consumer electronics, automotive systems, and communication devices where stable voltage regulation is critical.

Equivalent

The MAX1873SEEE+ is a high-efficiency, synchronous step-down converter. Equivalent products include the TPS563201 from Texas Instruments, LTC3621 from Analog Devices, and LM2596 from Texas Instruments. When selecting an equivalent, consider specifications such as output voltage, current rating, efficiency, and package type to ensure compatibility with your application.