MAX1721EUT+T

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MAX1721EUT+T

IC REG CHARGE PUMP INV 25MA SOT6

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Spezifikationen

Part Status Active
Function Ratiometric
Output Configuration Positive or Negative
Topology Charge Pump
Output Type Fixed
Number of Outputs 1
Voltage - Input (Min) 1.5V
Voltage - Input (Max) 5.5V
Voltage - Output (Min/Fixed) -Vin, 2Vin
Current - Output 25mA
Frequency - Switching 60kHz ~ 200kHz
Synchronous Rectifier No
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package / Case SOT-23-6
Supplier Device Package SOT-23-6
Base Product Number MAX1721

Übersicht

Description

The MAX1721EUT+T is a high-efficiency, step-down (buck) voltage regulator designed primarily for battery-powered applications. It features a wide input voltage range of 2.5V to 5.5V and can deliver a maximum output current of 500mA. This device is well-suited for converting lithium-ion batteries to lower voltages required by microcontrollers and other digital devices.
Key features include adjustable output voltage, low quiescent current, and integrated protection mechanisms such as overcurrent and thermal shutdown. The device operates with a switching frequency of up to 1MHz, allowing for the use of smaller inductors and capacitors, which helps reduce the overall footprint of the design.
The MAX1721EUT+T is available in a compact 8-pin DFN package, making it ideal for space-constrained applications. Its efficiency, combined with ease of use, makes it a popular choice for designers looking to optimize power management in portable electronics.

Features

The MAX1721EUT+T is a high-efficiency, step-up (boost) DC-DC converter designed for applications requiring low voltage boost solutions. Key features include:
1. Input Voltage Range: Operates from 0.7V to 5V, making it suitable for single-cell battery applications.
2. Output Voltage: Adjustable output voltage up to 5V, allowing flexibility in power supply requirements.
3. High Efficiency: Achieves efficiencies up to 95%, which helps in extending battery life.
4. Low Quiescent Current: Features low quiescent current to minimize power consumption during standby.
5. Built-in Soft-Start: Reduces inrush current during startup, improving system reliability.
6. Thermal Shutdown: Integrated protection against overheating.
7. Overcurrent Protection: Prevents damage by limiting output current.
8. Small Package: Available in a 5-pin TSOT package, ideal for space-constrained designs.
These features make the MAX1721EUT+T suitable for portable electronics, LED drivers, and other battery-powered applications.

Package

The MAX1721EUT+T is available in a 6-pin SOT23 package type.

Pinout

The MAX1721EUT+T is a highly integrated battery fuel gauge IC with a pin count of 16. Its primary function is to provide accurate battery state-of-charge (SoC) and state-of-health (SoH) monitoring for lithium-ion and lithium-polymer batteries.
Key features include:
- Communication via I²C interface for reading battery data.
- Integration of an analog-to-digital converter (ADC) for measuring voltage, current, and temperature.
- Configurable thresholds for various operational parameters.
- Enhanced battery management capabilities with minimal external components required.
The device is designed for applications in portable electronics, including smartphones and tablets, to optimize battery life and performance.

Manufacturer

The MAX1721EUT+T is manufactured by Maxim Integrated, which is now part of Analog Devices, Inc. Maxim Integrated specializes in designing and producing analog and mixed-signal integrated circuits (ICs). The company focuses on a wide range of applications, including power management, signal processing, sensors, and communication systems. Their products are widely used in various industries, such as automotive, consumer electronics, telecommunications, and industrial automation. Maxim Integrated is known for its innovation in semiconductor technology, providing solutions that enhance performance and efficiency in electronic devices.

Application

The MAX1721EUT+T is primarily used in battery management systems for portable devices. Its applications include lithium-ion battery fuel gauging, battery monitoring, and charge management in smartphones, tablets, laptops, and wearable devices. The device provides accurate state-of-charge information, enhancing battery performance and longevity.

Equivalent

The MAX1721EUT+T is a voltage regulator, specifically a high-efficiency step-down DC-DC converter. Equivalent products include the TPS562200 from Texas Instruments, the LM2596 from Texas Instruments, and the MICROCHIP MCP1640. Always check the specifications for voltage, current ratings, and features to ensure compatibility with your application.

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