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Current-shunt monitor IC eases power management

Posted: 07 Aug 2006 ?? ?Print Version ?Bookmark and Share

Keywords:TI? INA206? current-shunt monitor?

Texas Instruments' INA206 high-side current-shunt monitor for notebook computers, battery chargers, automotive and welding equipment combines a high-side current-sense amplifier, two comparators and a voltage reference. As configured, the device can serve in a wide range of power management applications, from simple supply current monitor to bidirectional current comparator and as an under-/over-voltage "window" comparator.

In the latter applications, the two uncommitted comparators are designed to do the work of three, since one offers a delay function that can be used for a low-level warning output while the other comparator has a programmable latch function for higher-level instantaneous critical outputs. Both comparators are open-drain output devices with internal 0.6V references that can be overridden.

The INA206 also features a wide common-mode range (-16V to 80V), 500kHz bandwidth and a wide supply range (2.7-18V). It's specified for 3.5 percent maximum output error over the -40C to 125C temperature range.

The device's gain setting is 20V/V. Two additional factory-trimmed gain setting versions will be available in Q4: 50V/V (INA207) and 100V/V (INA208).

The INA206, in a 14-pin SOIC, is priced at $1.45 each in 1,000-piece quantities (suggested resale pricing). MSOP-10 and TSSOP-14 packages will be available in Q2 2007.

- Vince Biancomano

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Related Datasheets
Part Number Description Category
? INA206 Unidirectional Measurement Current-Shunt Monitor with Dual Comparators (Rev. E) Actives - Sensors and Transducers



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