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Product Detailed Parameters
- Description：IC AMP COMP REF 10UMAX
- Series：-
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Amplifier, Comparator, Reference
- Applications：Current Sensing, Power Management
- Mounting Type：Surface Mount
- Package / Case：10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
- Supplier Device Package：10-uMAX/uSOP
- Grade：-
- Qualification：-
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Overview
The MAX4375HEUB+T is a low-cost, micropower high-side current-sense supervisor integrating a current-sense amplifier, bandgap reference, and comparator with latching output. It operates from a single +2.7V to +28V supply with a typical supply current of 50µA. The device features a +100V/V gain version (suffix H) and an input common-mode range of 0V to +28V, independent of the supply voltage. It is specified for an extended operating temperature range of -40°C to +85°C and is housed in a 10-pin µMAX package.
Feature Summary
- Integrates a high-side current-sense amplifier, internal bandgap reference, and a latching comparator output to prevent oscillation during overcurrent events.
- Features a wide 0V to +28V input common-mode range that remains functional even when connected to a battery pack in deep discharge.
- Includes a second comparator dedicated to window-detection functions for monitoring current within specific upper and lower limits.
Applications
- Notebook Computers
- Portable/Battery-Powered Systems
- Smart Battery Packs/Chargers
- Cell Phones
Procurement Notes
Verify the exact part number against official manufacturer documentation to ensure correct suffixes for gain (+100V/V), package type (10-pin µMAX), and temperature rating (-40°C to +85°C). Confirm RoHS compliance status through the datasheet or manufacturer specifications before procurement.
Selection Notes
Select this component for applications requiring integrated high-side current monitoring without external gain-setting resistors. The +100V/V gain is suitable for detecting small sense voltages across low-value resistors. Ensure the design accommodates the 10-pin µMAX footprint and utilizes the dual comparators if window detection is required.
Part Context
This device belongs to the MAX4373/MAX4374/MAX4375 family of micropower current-sense supervisors. While the MAX4373 offers a single comparator and the MAX4374 provides two comparators, the MAX4375 specifically includes two comparators configured for window detection capabilities, distinguishing it within the series.
Replacement Considerations
Compatible substitutes include other members of the MAX437x family such as the MAX4373HEUA+ or MAX4374HEUB+, provided the pinout and comparator configuration requirements align with the specific application needs.
FAQ
How does the MAX4375 handle overcurrent conditions?
The MAX4375 uses a latching comparator output to provide a turn-off flag that prevents oscillation. The latch can be reset by pulsing the RESET pin low for at least 1.5µs.
What is the function of the CIN2 pin on the MAX4375?
The CIN2 pin serves as the input for the second internal comparator, enabling window-detection functions by allowing the device to monitor current levels between two defined thresholds.
