MAX1873TEEE+

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MAX1873TEEE+

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IC BAT CHG MULT-CHEM 4CEL 16QSOP

  • HerstellerAnalog Devices Inc./Maxim Integrated

  • Herstellerteil #MAX1873TEEE+

  • Auf Lager3660

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Spezifikationen

Attribut Wert
PartStatus Active
BatteryChemistry Multi-Chemistry
NumberofCells 4
Current-Charging Constant - Programmable
ChargeCurrent-Max 4A
BatteryPackVoltage 16.8V
Voltage-Supply(Max) 28V
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 16-SSOP (0.154", 3.90mm Width)
SupplierDevicePackage 16-QSOP
BaseProductNumber MAX1873

Übersicht

Description

The MAX1873TEEE+ is a high-efficiency, step-down DC-DC converter integrated circuit designed by Maxim Integrated, now a part of Analog Devices. It is specifically engineered for applications requiring efficient power management, such as in portable devices, computing equipment, and other consumer electronics. The device operates with an input voltage range and is capable of delivering a regulated output voltage with high precision.
Key features of the MAX1873TEEE+ include pulse-width modulation (PWM) for maintaining efficiency over a broad range of loads, built-in overcurrent and thermal protection for enhanced reliability, and a fixed switching frequency to minimize external component size and simplify design. The part number "TEEE+" typically denotes specific packaging or temperature range specifications.
The MAX1873TEEE+ is valued for its compact size, providing an efficient solution in space-constrained applications. Its robust performance metrics make it a go-to choice for designers looking to optimize power distribution in their systems. Detailed datasheets and application notes are available from the manufacturer to aid in integrating the IC into various projects.

Equivalent

The MAX1873TEEE+ is a power management IC designed for battery charging applications. For equivalent products, you might consider:
1. Texas Instruments BQ24170: A standalone battery charger with similar features.
2. Linear Technology (Analog Devices) LTC4011: Offers a similar charging solution with integrated features.
3. Microchip MCP73871: A fully integrated linear solution for system load sharing and Li-Ion/Li-Polymer battery charge management.
Ensure compatibility by reviewing datasheets for specific requirements.

Features

The MAX1873TEEE+ is a highly efficient, current-mode, PWM step-down DC-DC converter designed for portable devices. Key features include:
1. Wide Input Voltage Range: It operates from a 4.5V to 28V input voltage range, making it versatile for various power sources.
2. Adjustable Output Voltage: The output can be adjusted down to 0.8V, providing flexibility for different applications.
3. High Efficiency: With efficiencies up to 95%, it minimizes heat generation and extends battery life.
4. Current-Mode Control: Ensures fast transient response and simplifies loop compensation.
5. Switching Frequency: Operates at a fixed frequency of 300kHz, optimizing the trade-off between size and efficiency.
6. Integrated Power MOSFETs: Reduces the need for external components and simplifies design.
7. Overcurrent Protection: Provides robust protection against load faults.
8. Thermal Shutdown: Prevents damage due to overheating.
9. Compact Package: Available in a small TSSOP package, saving board space.
Overall, the MAX1873TEEE+ is ideal for compact, efficient power conversion in portable and battery-powered applications.

Pinout

The MAX1873TEEE+ is a DC-DC battery charger IC designed by Maxim Integrated. It comes in a 16-pin TSSOP package. The primary function of the MAX1873 is to efficiently charge lithium-ion or lithium-polymer batteries from a DC power source.
Key features include:
- Input Voltage Range: Operates with a wide input voltage range suitable for various power sources.
- Charging Current: Provides programmable charging current up to 3A.
- Battery Voltage Regulation: Maintains precise battery voltage regulation for safe charging.
- Safety Features: Includes over-voltage protection, current limiting, and thermal shutdown to protect both the charger and the battery.
The pin configuration supports functions such as charge current programming, status indication, and control inputs for charge initiation and termination. It's commonly used in portable devices where efficient and safe battery charging is crucial.

Manufacturer

The MAX1873TEEE+ is manufactured by Maxim Integrated, which is now part of Analog Devices, Inc. Maxim Integrated is known for designing and manufacturing analog and mixed-signal integrated circuits. The company produces a wide range of products including power management ICs, sensors, interface products, and communication solutions. As a key player in the semiconductor industry, Maxim Integrated (now Analog Devices) focuses on providing innovative and high-performance solutions for various sectors including automotive, communications, computing, consumer, and industrial applications.

Application

The MAX1873TEEE+ is a high-efficiency, step-up DC-DC converter commonly used in battery-powered applications. It is ideal for applications requiring efficient power conversion, such as portable devices, battery-operated equipment, and handheld electronics. The device is suitable for use in systems that need to step up battery voltage levels to power components requiring higher voltages. It is also employed in industrial applications, telecommunications, and consumer electronics where efficient power management and extended battery life are crucial. Its compact design makes it suitable for space-constrained applications.

Package

The MAX1873TEEE+ is a surface-mount IC packaged in a 16-pin Thin Shrink Small Outline Package (TSSOP).

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