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Datasheet Maxim MAX4172EUA

Manufacturer:Maxim
Series:MAX4172
Part Number:MAX4172EUA

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

Datasheets

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    MAX4172 Low-Cost, Precision, High-Side
    Current-Sense Amplifier General Description The MAX4172 is a low-cost, precision, high-side currentsense amplifier for 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 device suitable for
    closed-loop battery-charger and general-purpose currentsource applications. The 0 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. Benefits and Features ●● Ideal for High-Side Monitoring 3V to 32V Supply Operation ±0.5% Typical Full-Scale Accuracy Over Temperature High Accuracy +2V to +32V Common-Mode
    Range, Functional Down to 0V, Independent of
    Supply Voltage 800kHz Bandwidth [VSENSE = 100mV (1C)] 200kHz Bandwidth [VSENSE = 6.25mV (C/16)]
    ●● Minimizes Board Space Requirements μMAX and SO Packages 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. Ordering Information An open-collector power-good output (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 ...

Prices

    Price MAX4172EUA
    ProviderNamePrice
    AliExpress1PCS MAX4172EUA MAX1748EUE 4172 17480,83 $
    More about terms of delivery »

Manufacturer's Classification

  • Analog > Amplifiers

Docket:
MAX4172 Low-Cost, Precision, High-Side
Current-Sense Amplifier General Description The MAX4172 is a low-cost, precision, high-side currentsense amplifier for 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 device suitable for
closed-loop battery-charger and general-purpose currentsource applications. The 0 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. Benefits and Features ●● Ideal for High-Side Monitoring 3V to 32V Supply Operation ±0.5% Typical Full-Scale Accuracy Over Temperature High Accuracy +2V to +32V Common-Mode
Range, Functional Down to 0V, Independent of
Supply Voltage 800kHz Bandwidth [VSENSE = 100mV (1C)] 200kHz Bandwidth [VSENSE = 6.25mV (C/16)]
●● Minimizes Board Space Requirements μMAX and SO Packages 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 c...

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