MAX4172ESA

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MAX4172ESA

+物料清單

  • 製造商類比設備股份有限公司/Maxim集成

  • 製造商部分 #MAX4172ESA

  • 有存貨2057

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正品保證

規格

屬性 價值
Package Tube,Tube
ProductStatus Obsolete
AmplifierType Current Sense
NumberofCircuits 1
-3dbBandwidth 800 kHz
Current-InputBias 50 µA
Voltage-InputOffset 1 mV
Current-Supply 800µA
Current-Output/Channel 1.75 mA
Voltage-SupplySpan(Min) 3 V
Voltage-SupplySpan(Max) 32 V
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

概述

Description

The MAX4172ESA is a high-side current-sense amplifier designed for precision current monitoring in various applications. It operates over a wide supply voltage range and is optimized for use in battery-operated systems due to its low power consumption. The device features a high input common-mode voltage range, making it suitable for high-voltage applications. It provides an amplified output voltage that is proportional to the sensed current, facilitating easy integration into monitoring circuits. The MAX4172ESA is well-regarded for its fast response time and accuracy, making it ideal for quick fault detection and current regulation. It is housed in a compact package, typically an 8-pin SOIC, which allows easy placement on crowded PCBs. The amplifier's design minimizes external components, which simplifies implementation and reduces overall system cost. Its applications range from power management systems to industrial controls, where reliable current sensing is crucial.

Equivalent

The MAX4172ESA is a high-side current-sense amplifier. Equivalent products include:
1. INA138 and INA168 by Texas Instruments: These are similar high-side current-sense amplifiers.
2. LTC6101 by Analog Devices (formerly Linear Technology): Offers similar functionality and performance.
3. ZXCT1009 by Diodes Incorporated: An alternative with similar characteristics.
Ensure compatibility by checking specifications like supply voltage, input range, and gain before substitution.

Features

The MAX4172ESA is a high-side current-sense amplifier designed to monitor current flow through a resistor. It features a high common-mode voltage range, making it suitable for various applications, including power management and battery-operated systems. Key features include:
1. Wide Input Common-Mode Voltage Range: Operates from 2.7V to 28V, making it versatile for different systems.

2. Low Offset Voltage: Ensures precision in current measurement by minimizing errors.
3. High CMRR (Common-Mode Rejection Ratio): Provides accurate readings even in the presence of noise or fluctuations in voltage.
4. Low Quiescent Current: Ensures efficiency, crucial for battery-powered devices.
5. Gain Options: Available in fixed gain options for flexibility in design requirements.
6. Small Package: Offered in an 8-pin SO (Small Outline) package, optimizing board space.
7. Temperature Range: Operates within an extended temperature range, suitable for industrial applications.
These features make the MAX4172ESA an ideal choice for applications requiring precise current monitoring with minimal power consumption.

Pinout

The MAX4172ESA is a precision, low-cost, high-side current-sense amplifier. It is typically used for monitoring battery packs or other power sources. The device comes in an 8-pin SOIC package. Below is a concise summary of the pin functions:
1. N.C. (No Connection): Typically not connected internally, can be left floating.
2. OUT: The output pin where the voltage proportional to the sensed current is available.
3. GND: Ground reference for the device.
4. IN+: Positive input for the high-side current sensing; connected to the positive side of the load.
5. IN-: Negative input for high-side current sensing; connected to the more negative side of the load (but still on the high side of the circuit).
6. N.C. (No Connection): Similar to pin 1.
7. N.C. (No Connection): Similar to pin 1.
8. V+: Supply voltage pin for powering the device.
This high-side current-sense amplifier is designed to operate accurately over a wide range of common-mode voltages from 2.7V to 28V.

Manufacturer

The MAX4172ESA is manufactured by Maxim Integrated, which is a company that specializes in designing and manufacturing analog and mixed-signal integrated circuits. Maxim Integrated, now part of Analog Devices, Inc. after being acquired in 2021, provides a wide range of products including power management ICs, sensors, amplifiers, and interface circuits. The company serves various industries such as consumer electronics, automotive, communications, and healthcare, focusing on providing innovative solutions for complex engineering challenges.

Application

The MAX4172ESA is a high-side current-sense amplifier commonly used in applications that require monitoring and controlling current flow. Key application areas include:
1. Power Management Systems: Monitoring current in battery-powered devices to optimize energy consumption.
2. Automotive Systems: Used in electric and hybrid vehicles for battery management and to monitor current in various subsystems.
3. Telecommunications: Ensures efficient power distribution in network equipment.
4. Industrial Automation: Monitors current in motors and machinery to prevent overcurrent conditions.
5. Consumer Electronics: Used in laptops, smartphones, and other devices to manage power usage and protect against fault conditions.
Its wide input voltage range and high precision make it versatile for various current sensing needs.

Package

The MAX4172ESA is housed in an 8-pin SOIC (Small Outline Integrated Circuit) package.