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Low power current monitors from Diodes Incorporated provide accurate current measurement
With an operating current of only 3µA, the ZXCT11xx series of low power high-side current monitors from Diodes Incorporated provides accurate, high efficiency measurement of load current in motor drive, overload protection and safety applications.
Coupled with their low operating current performance, the devices’ wide common-mode voltage range, of 2.5V to 36V, and their extended -40ºC to 125ºC temperature range, are well suited to higher supply voltage automotive, industrial and white goods circuit design.
Requiring just a single external gain setting resistor in addition to a low value sense resistor, the ZXCT11xx monitors are simple to use, keep component count to a minimum and save space with their SOT23 packaging. Sensing current on the high-side also avoids any ground plane disruption.
Features and Benefits
● High accuracy current measurement
- improved system precision
● Simple to use
- low external component count
● High side monitoring
- no disruption of ground plane
● Low quiescent current (3uA)
- high efficiency
● Wide common mode range (2.5V to 36V)
- suitable for automotive and industrial applications with supplies up to 36V
● Space saving
- housed in SOT23 package
Offering a range of pin-outs to help optimise board layouts, the ZXCT1107 and ZXCT1109 are 3-pin SOT23 package variants. The ZXCT1110 is a 5-pin device with a separate ground pin facilitating improved performance.
Click here to download the data sheet.
Click on this link to download the data sheet.
For more information on the full range of Diodes Inc. products available from Anglia please email info@anglia.com
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This news article was originally published in June 2011.
