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INA226AIDGS Datasheet(PDF) 1 Page - Texas Instruments |
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INA226AIDGS Datasheet(HTML) 1 Page - Texas Instruments |
1 / 30 page ´ Power Register Current Register I C 2 Interface Voltage Register INA226 GND V BUS ADC V I A0 A1 Alert SDA SCL C 0.1 F BYPASS m High- Side Shunt Low- Side Shunt Load Alert Register V (Supply Voltage) S Power Supply (0V to 36V) INA226 www.ti.com SBOS547 – JUNE 2011 High-or Low-Side Measurement, Bi-Directional CURRENT/POWER MONITOR with I2C ™ Interface Check for Samples: INA226 1 FEATURES DESCRIPTION The INA226 is a current shunt and power monitor 23 • SENSES BUS VOLTAGES FROM 0V TO +36V with an I2C interface. The INA226 monitors both a • HIGH- OR LOW-SIDE SENSING shunt voltage drop and bus supply voltage. • REPORTS CURRENT, VOLTAGE, AND POWER Programmable calibration value, conversion times, • HIGH ACCURACY: and averaging, combined with an internal multiplier, enable direct readouts of current in amperes and – 0.1% Gain Error (Max) power in watts. – 10μV Offset (Max) • CONFIGURABLE AVERAGING OPTIONS The INA226 senses current on buses that can vary from 0V to +36V, while the device obtains its power • 16 PROGRAMMABLE ADDRESSES from a single +2.7V to +5.5V supply, drawing a • OPERATES FROM 2.7 to 5.5V POWER SUPPLY typical of 330 μA of supply current. The INA226 is • MSOP-10 PACKAGE specified over the operating temperature range of –40°C to +125°C. The I2C interface features 16 APPLICATIONS programmable addresses. • SERVERS RELATED PRODUCTS • TELECOM EQUIPMENT DESCRIPTION DEVICE • COMPUTERS Current/Power Monitor with Watchdog, Peak-Hold, INA209 • POWER MANAGEMENT and Fast Comparator Functions • BATTERY CHARGERS INA210, INA211, Zer ø-Drift, Low-Cost, Analog Current Shunt Monitor INA212, INA213, Series in Small Package • POWER SUPPLIES INA214 • TEST EQUIPMENT Zer ø-Drift, Bi-Directional Current Power Monitor with INA219 Two-Wire Interface High or Low Side, Bi-Directional Current/Power INA220 Monitor with Two-Wire Interface High-or Low-Side Sensing 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 2 I2C is a trademark of NXP Semiconductors. 3 All other trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 2011, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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