DESCRIPTION
The MPQ8112 and MPQ8112A are low-cost,
unipolar, high-side current-sense amplifiers.
The devices operate from a 2.7V to 60V supply
and typically consume a 300μA current. They
are ideal for today’s automotive systems,
industrial supplies, and systems where
battery/DC current monitoring is critical.
High-side current monitoring is especially useful
in battery-powered systems, since it does not
interfere with the ground path of the battery
charger. The common mode input ranges
between 0V and 60V with a 700kHz high
bandwidth. That makes these devices suitable
for use in inside control and short-circuit
protection loops.
The MPQ8112 directly converts a differential
input voltage to a voltage output with built-in
internal common input resistors and a load
resistor. The MPQ8112 has a 50V/V gain.
The MPQ8112A converts the differential input
voltage to a current output. This current is
converted back to a voltage with an external
load resistor. The MPQ8112A has an
adjustable gain based on the external common
input resistors and load resistor.
Both the MPQ8112 and MPQ8112A are
available in TSOT23-6L packages.

FEATURES
 Low-Cost, Compact Current-Sense Solution
 700kHz Bandwidth
 300μA Typical Supply Current
 2.7V to 60V Operating Supply Voltage
 0V to 60V Common Mode Input Range
 0.2μA Typical Shutdown Current
 300μV Input Offset Voltage
 Available with Fixed 50V/V Gain
(MPQ8112), or Adjustable Gain
(MPQ8112A)
 ±1% Current-Sense Gain Accuracy
 High-Current Sensing Capabilities
 Available in a 6-Lead TSOT23 Package
 Available in AEC-Q100 Grade 1

APPLICATIONS
 Advanced Driver Assistance Systems
(ADAS)
 Sensor Fusion Systems
 Electric Power Steering (EPS) Systems
 Electronic Stability Control (ESC) Systems
 Brake Systems
 Battery-Operated Systems
 Energy Management Systems