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ZXCT1082

60V Current Output Current Monitor

Datasheet

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Description

The ZXCT1082 is a high side unipolar current sense monitors. These devices eliminate the need to disrupt the ground plane when sensing a load current. The ZXCT1082 has a 40V maximum operating voltage. The wide common-mode input voltage range and low quiescent currents coup°C with SOT25 packages make them suitable for a range of applications; including automotive and systems operating from industrial 24-28V rails. Its quiescent current is only 0.6μA thereby minimizing current sensing error. The ZXCT1082 uses three external transconductance/gain setting resistors which increase versatility by permitting wide gain ranges and optimization of bandwidths.

Feature(s)

Wide supply and common-mode voltage range -2.7V to 60V ZXCT1082/84/86 -2.7V to 40V ZXCT1083/85/87

Independent supply and input common-mode voltage

Low quiescent current (0.6µA)

Extended industrial temperate range -40 to 125°C

SOT25 with green mold compound (No Br, Sb) and Pb-free RoHS compliant

Application(s)

Automotive current measurement:

Industrial current measurement:

Power suppliy over-current protection

Motor control over-current protection

Product Specifications

Product Parameters

Compliance (Only Automotive supports PPAP)	Standard
AEC Qualified	No
Type	Current Output
Minimum S+ Common-Mode Sense Voltage (V)	2.7
Maximum S+ Common-Mode Sense Voltage (V)	60
Minimum VCC/VB Supply Voltage (V)	2.7
Maximum VCC/VB Supply Voltage (V)	60
Sense Voltage VMAX (mV)	500
Maximum Output Voltage (V)	VS- -1
Voltage output Gain VOUT/VSENSE (V/V)	-
Current output Gain Iout/VSENSE (mA/V)	Ext resistor
% Accuracy @ VSENSE =100mV Ta (%)	2
Quiescent Current (µA)	2
IS- S- Input current (nA)	1700
Bandwidth typ (MHz)	0.5
Operating Ambient Temperature Range (°C)	-40 to 125
Special Features	-

Technical Documents

SPICE Model

ZXCT1082.spice.txt

Calculators

Zetex-CM-Calculator-V1.01.xls (1.5 MB)

Evaluation Boards and User Guides

ZXCT1082EV1-User-Guide.pdf (503 KB)

Recommended Soldering Techniques

TN1.pdf

Diodes Incorporated's current monitors are high-performance, high-side/power rail current measurement ICs. They greatly simplify the measurement of load currents without disturbing the ground plane/reference point.

The current monitor families contain variants with quiescent currents as low as 3µA, and others with operating voltages up to 60V, proving solutions for overcurrent detection in consumer, industrial, and automotive applications. The portfolio includes current output variants which via an external resistor to ground to provide adjustable gain, and voltage output variants with fixed gains.

Automotive-compliant variants are available which are qualified to AEC-Q100 Grade 1 in IATF 16949 facilities supporting PPAP documentation.

RoHS CofC

RoHSFile