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New Products
March 21, 2011
Low Power Current Monitors from Diodes Inc. Provide Accurate Current Measurement
With an operating current of only 3µA, the ZXCT11xx series of low power high-side current monitors from Diodes Inc. 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 2.5 to 36V, and their extended -40 to 125°C 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.
Offering a range of pin-outs to help optimize 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. The parts are priced from $0.3 each in 10k quantities.
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