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MAX1758EAI+

Name: MAX1758EAI+
Rating: 4.7 (12 reviews)

IC BATT CHG LI-ION 1-4CEL 28SSOP

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規格

Part Status	Active
Base Product Number	MAX1758
Battery Chemistry	Lithium Ion
Number of Cells	1 ~ 4
Current - Charging	Constant - Programmable
Programmable Features	Timer
Charge Current - Max	1.5A
Battery Pack Voltage	19V (Max)
Voltage - Supply (Max)	28V
Operating Temperature	-40°C ~ 85°C (TA)
Mounting Type	Surface Mount
Package	28-SSOP (0.209", 5.30mm Width)
Supplier Device Package	28-SSOP
Packaging	Tube

概述

Description

The MAX1758EAI+ is a high-efficiency, step-down (buck) DC-DC converter designed for powering applications that require a regulated output voltage from a higher input voltage. It features a wide input voltage range of 4.5V to 60V, making it suitable for various applications, including industrial and automotive systems. This converter can deliver an output current of up to 1A while maintaining high efficiency, which helps in minimizing heat generation and improving overall reliability.
Key features include adjustable output voltage, a switching frequency of up to 1MHz, and built-in protection mechanisms such as thermal shutdown, overcurrent protection, and undervoltage lockout. The MAX1758EAI+ also offers a compact design, making it ideal for space-constrained applications. Its ability to operate in high-temperature environments and maintain performance makes it a preferred choice for many engineers in designing efficient power management solutions.

Features

The MAX1758EAI+ is a high-efficiency, step-down (buck) DC-DC converter designed for a wide input voltage range and low output voltage applications. Key features include:
1. Input Voltage Range: Operates from 4.5V to 60V, accommodating various power sources.
2. Output Voltage: Adjustable output with a range of 0.8V to 25V, allowing flexibility for different applications.
3. High Efficiency: Capable of up to 95% efficiency, minimizing heat generation and extending battery life.
4. Output Current: Supports up to 1.5A output current, suitable for powering various loads.
5. Built-in Compensation: Internal compensation simplifies design and improves transient response.
6. Thermal Shutdown: Integrated protection features such as thermal shutdown and current limiting enhance reliability.
7. Small Package: Available in a compact 8-pin NSOIC package, ideal for space-constrained designs.
These features make the MAX1758EAI+ versatile for industrial, automotive, and consumer applications, ensuring efficient power conversion.

Package

The MAX1758EAI+ is available in a 16-pin TQFN package, which measures 3mm x 3mm. This compact, thermally efficient package is designed for applications requiring high performance in a small footprint.

Pinout

The MAX1758EAI+ is a high-efficiency, step-down (buck) regulator with a pin count of 8. Its primary functions include:
1. VIN (Pin 1): Input voltage supply.
2. SW (Pin 2): Switch node, connects to the inductor.
3. GND (Pin 3): Ground reference.
4. COMP (Pin 4): Compensation pin for control loop stability.
5. FB (Pin 5): Feedback pin for voltage regulation.
6. EN (Pin 6): Enable pin to turn the regulator on/off.
7. VOUT (Pin 7): Output voltage from the regulator.
8. ISEN (Pin 8): Current sense input for overcurrent protection.
The MAX1758EAI+ operates over a wide input voltage range and is designed for applications requiring high efficiency and compact design.

Manufacturer

The MAX1758EAI+ is manufactured by Analog Devices, Inc. (ADI). Analog Devices is a global company specializing in the design and manufacturing of high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965, the company focuses on providing solutions for a variety of applications, including communications, automotive, industrial, and consumer electronics. ADI is known for its innovations in signal processing and power management, offering a wide range of products that address the needs of various industries.

Application

The MAX1758EAI+ is a high-efficiency, step-down DC-DC converter ideal for applications such as battery-powered devices, portable electronics, automotive systems, and industrial equipment. It is suitable for powering microcontrollers, sensors, and communication devices, offering low quiescent current and high output voltage accuracy, making it effective in space-constrained designs and energy-sensitive applications.

Equivalent

The MAX1758EAI+ is a high-efficiency, synchronous step-down DC-DC regulator. Equivalent products include:
1. LM2596 - A popular step-down regulator from Texas Instruments.
2. LT1763 - A low-dropout regulator from Analog Devices.
3. TPS563201 - A step-down converter from Texas Instruments.
4. MP1584 - A compact DC-DC buck converter from Monolithic Power Systems.
Always check specifications for exact compatibility.