MAX4172 Low-Cost, Precision, High-Side Current-Sense Amplifier

The MAX4172 is a low-cost, precision, high-side current-sense Amplifier for 644 portable PCs, telephones, and other systems where battery/DC power-line monitoring is critical. High-side power-line monitoring is especially useful in battery-powered systems, since it does not interfere with the battery charger's ground path. Wide bandwidth and ground-sensing capability make the MAX4172 suitable for closed-loop battery-charger and general-purpose current-source applications. The 0V to 32V input common-mode range is independent of the supply voltage, which ensures that current-sense feedback remains viable, even when connected to a battery in deep discharge.
To provide a high level of flexibility, the MAX4172 functions with an external sense resistor to set the range of load current to be monitored. It has a current output that CAN be converted to a ground-referred voltage with a single resistor, accommodating a wide range of battery voltages and currents.
An open-collector power-good output (active-low PG) indicates when the supply voltage reaches an adequate level to guarantee proper operation of the current-sense Amplifier The MAX4172 operates with a 3.0V to 32V supply voltage, and is available in a space-saving, 8-pin MAX or SO package.
By Maxim Integrated Products
MAX4172 's PackagesMAX4172 's pdf datasheet

MAX4172 Pinout, Pinouts
MAX4172 pinout,Pin out
This is one package pinout of MAX4172,If you need more pinouts please download MAX4172's pdf datasheet.

MAX4172 Application circuits
MAX4172 circuits
This is one application circuit of MAX4172,If you need more circuits,please download MAX4172's pdf datasheet.

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