INA226 Precision Current/Power Monitor
Bidirectional current, voltage, and power monitor with I2C/SMBus interface and a programmable alert pin, offering higher resolution and accuracy than the popular INA219.
Aliase:INA226, I2C Power Monitor, Current Sense Amplifier, High-Precision INA219
VSSOP-10 Top View
10 Pins
Pinout Table10
| Pin | Signal / Name | Type | Alternative Functions |
|---|---|---|---|
| 1 | VIN+ | Analog | Shunt Resistor High-Side Sense Input |
| 2 | VIN- | Analog | Shunt Resistor Low-Side Sense Input |
| 3 | VS | Power | +2.7V to +5.5V Power Supply (Bus Voltage up to 36V on VIN+/VIN-) |
| 4 | GND | Ground | 0V System Ground |
| 5 | SDA | Digital | I2C Serial Data |
| 6 | SCL | Digital | I2C Serial Clock |
| 7 | ALERT | Digital | Programmable Alert Output (Open-Drain) |
| 8 | A1 | Digital | I2C Address Select Bit 1 |
| 9 | A0 | Digital | I2C Address Select Bit 0 |
| 10 | GND | Ground | 0V System Ground (Thermal Pad Reference) |