MAX4846ELT+T

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MAX4846ELT+T

+Nomenclature

IC OVERVOLTAGE PROT CTRL 6UDFN

  • FabricantAnalog Equipment GmbH / intégration Maxim

  • Pièce fabricant #MAX4846ELT+T

  • Package UDFN-6

  • En stock7892

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Spécifications

Attribut Valeur
Package Tape & Reel (TR),Cut Tape (CT),Bulk
ProductStatus Obsolete
Type Overvoltage Protection Controller
Applications Cell Phones, Digital Cameras, Media Players
MountingType Surface Mount
Package/Case 6-WFDFN

Présentation

Description

The MAX4846ELT+T is a specialized IC designed by Maxim Integrated, primarily used for battery management systems in portable electronic devices. This device functions as a low-power, overvoltage protection switch, protecting sensitive circuits from voltage spikes and over-voltage conditions that can cause damage. The IC features a built-in 28V over-voltage threshold, ensuring safe operation by disconnecting the power to the load in case of excessive voltage.
Key features of the MAX4846ELT+T include a low quiescent current, ensuring minimal power consumption when the circuit is idle, and a fast response time to over-voltage conditions, providing prompt protection. The device is also designed with a high-accuracy voltage threshold to ensure precise operation and reliability across various applications.
Additionally, the MAX4846ELT+T is compact, typically available in a small SOT-23 package, making it suitable for space-constrained designs. Its robust design and reliable performance make it a preferred choice for designers looking to enhance the safety and longevity of battery-operated devices.

Equivalent

The MAX4846ELT+T chip is a precision, low-dropout linear voltage regulator with a specific set of features. Equivalent products would include:
1. Texas Instruments TPS7A4901: A high-voltage, ultra-low-noise, low-dropout linear regulator.
2. Analog Devices ADP121: A low-dropout, low quiescent current linear regulator.
3. ON Semiconductor NCP1117: A low-dropout voltage regulator with similar current and voltage characteristics.
These alternatives have similar functionalities but may differ in specifications; hence, checking datasheets for compatibility is recommended.

Features

The MAX4846ELT+T is a power switch designed for USB applications, featuring a low on-resistance n-channel MOSFET switch that provides power to a USB port. It includes several important features:
1. Current Limiting and Protection: It offers precise adjustable current limiting to protect the host device from overcurrent events. The device can be programmed to limit current from 250mA to 1.5A.
2. Load Detection: It provides load detection functionality, making it suitable for managing connections and disconnections of devices.
3. Thermal Shutdown: The device has built-in thermal shutdown protection to prevent overheating by turning off the switch if the temperature exceeds safe levels.
4. Fault Blanking: It incorporates a fault-blanking feature to prevent false triggering by momentary faults.
5. Reverse-Current Blocking: The switch prevents reverse current from flowing from the output to the input when turned off.
6. Compact Package: It comes in a small form factor, making it ideal for space-constrained applications.
These features make the MAX4846ELT+T suitable for use in a variety of USB power management applications.

Pinout

The MAX4846ELT+T is a compact single-channel analog switch designed by Maxim Integrated (now part of Analog Devices). It comes in a small 6-pin SOT-23 package. The primary function of this device is to facilitate low-voltage analog signal switching, making it suitable for various applications such as audio and data signal routing.
Key features of the MAX4846ELT+T include low on-resistance, low supply current, and the ability to operate over a wide supply voltage range. The switch is typically controlled via a digital input that toggles the connection between the input and output pins.
For detailed pin configuration and application specifics, consulting the official datasheet is recommended.

Manufacturer

The MAX4846ELT+T is manufactured by Maxim Integrated, which is now part of Analog Devices, Inc. Maxim Integrated is known for designing and manufacturing a broad range of analog and mixed-signal integrated circuits. The company specializes in high-performance semiconductors for various applications, including power management, sensors, interfaces, and communication systems.
Analog Devices, the parent company, is a multinational corporation that focuses on the design, manufacture, and marketing of a wide array of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. These components are used in various industries, such as automotive, industrial automation, consumer electronics, communications, healthcare, and energy management. Both Maxim Integrated and Analog Devices are recognized for their innovation and leadership in the semiconductor industry, providing solutions that improve performance and efficiency in electronic systems.

Application

The MAX4846ELT+T is a low-voltage, dual SPDT analog switch designed for a variety of applications. Its primary application areas include portable and battery-powered devices, where efficient power management is crucial. It is also suitable for use in audio and video signal routing, as well as in data acquisition systems due to its low on-resistance and fast switching capabilities. Additionally, the MAX4846ELT+T is commonly used in communication devices for signal routing and in medical instrumentation where precise signal control is necessary. Its compact size and low power consumption make it ideal for space-constrained applications.

Package

The MAX4846ELT+T is packaged in a 6-pin thin small outline transistor (TSOT) package.