26V, 12-bit, i2c output current/voltage/power monitor

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Features for the INA219

Senses Bus Voltages from 0 to 26 V
Reports Current, Voltage, and Power
16 Programmable Addresses
High Accuracy: 0.5% (Maximum) Over
Temperature (INA219B)
Filtering Options
Calibration Registers
SOT23-8 and SOIC-8 Packages

Description for the INA219

The INA219 is a current shunt and power monitor with an I2C- or SMBUS-compatible interface. The device monitors both shunt voltage drop and bus supply voltage, with programmable conversion times and filtering. A programmable calibration value, combined with an internal multiplier, enables direct readouts of current in amperes. An additional multiplying register calculates power in watts. The I2C- or SMBUS-compatible interface features 16 programmable addresses.

The INA219 is available in two grades: A and B. The B grade version has higher accuracy and higher precision specifications.

The INA219 senses across shunts on buses that can vary from 0 to 26 V. The device uses a single 3- to 5.5-V supply, drawing a maximum of 1 mA of supply current. The INA219 operates from –40°C to 125°C.

Quality information
RoHS Yes
Lead finish / Ball material NIPDAU
MSL rating / Peak reflow Level-1-260C-UNLIM
Packaging information
Package | Pins SOIC (D) | 8
Package qty | Carrier 2,500 | LARGE T&R
Operating temperature range (°C) -40 to 125

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  • $2.30

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Tags: INA219AIDR, INA219, INA219 datasheet