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ZXCT1080

HIGH VOLTAGE HIGH-SIDE CURRENT MONITOR

ZXCT1080

Document number: DS33454 Rev. 4 - 2

1 of 11

www.diodes.com

December 2011

Description

The ZXCT1080 is a high side current sense monitor with a

gain of 10 and a voltage output. Using this device eliminates

the need to disrupt the ground plane when sensing a load

current.

The wide input voltage range of 60V down to as low as 3V

make it suitable for a range of applications; including systems

operating from industrial 24 to 28V rails and 48V rails.

The separate supply pin (V

) allows the device to continue

functioning under short circuit conditions, giving an end stop

voltage at the output.

The ZXCT1080 has an extended ambient operating

temperature range of -40°C to 125°C enabling it to be used in

a wide range of applications including automotive.

Features

• 3V to 60V continuous high side voltage

• Accurate high-side current sensing

• -40 to 125°C temperature range

• AEC-Q100 Grade 1 qualified

• Output voltage scaling x10

• 4.5V to 12V V

range

• Low quiescent current:

o 80μA supply pin

o 27μA I

S+

• SOT25 package

Pin Assignments

Applications

• Industrial applications current measurement

• Battery management

• Over-current measurement

• Power management

• Automotive current measurement

Typical Application Circuit

S-

S+OUT

GND

SENSE

ZXCT1080

OUT

GND OUT

S+

S-

1 2 3 4 5 6 ... 10 11

Résumé du contenu

Page 1 - ZXCT1080

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Page 4 - Typical Characteristics

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