High-side DC current sensor breakout using the INA169; measures up to 5 A on supplies up to 60 V and outputs a ground-referenced analogue voltage. Suitable for feedback-loop control without disturbing circuit ground.
Sensor supply pin. Adafruit product page states to power the sensor with 2.7-60V to VCC.
Ground reference for the breakout, tied to the INA169 GND net in the official Adafruit PCB schematic.
Low-side/current-sense input. Adafruit product page describes connecting V- to the grounded load; official schematic exposes this net on JP1 pin 3.
High-side/current-sense input. Adafruit product page describes connecting V+ to the high side of the power supply; official schematic exposes this net on JP1 pin 4.
Analogue voltage output proportional to load current. Official schematic exposes OUT on JP1 pin 5 and notes Vout = Iload × Rload × Rshunt / 1000.
| Pin | Position | Type | Function | Voltage |
|---|---|---|---|---|
| VCC | 1 | Power | Sensor supply pin. Adafruit product page states to power the sensor with 2.7-60V to VCC. | 2.7-60V per Adafruit product page |
| GND | 2 | Ground | Ground reference for the breakout, tied to the INA169 GND net in the official Adafruit PCB schematic. | 0V reference |
| VIN- | 3 | Power | Low-side/current-sense input. Adafruit product page describes connecting V- to the grounded load; official schematic exposes this net on JP1 pin 3. | Sense input within 2.7-60V monitored supply range |
| VIN+ | 4 | Power | High-side/current-sense input. Adafruit product page describes connecting V+ to the high side of the power supply; official schematic exposes this net on JP1 pin 4. | Sense input within 2.7-60V monitored supply range |
| OUT | 5 | Signal | Analogue voltage output proportional to load current. Official schematic exposes OUT on JP1 pin 5 and notes Vout = Iload × Rload × Rshunt / 1000. | Analogue voltage output, product page gives 1V per amp with installed 10K resistor |
Sensor supply pin. Adafruit product page states to power the sensor with 2.7-60V to VCC.
Ground reference for the breakout, tied to the INA169 GND net in the official Adafruit PCB schematic.
Low-side/current-sense input. Adafruit product page describes connecting V- to the grounded load; official schematic exposes this net on JP1 pin 3.
High-side/current-sense input. Adafruit product page describes connecting V+ to the high side of the power supply; official schematic exposes this net on JP1 pin 4.
Analogue voltage output proportional to load current. Official schematic exposes OUT on JP1 pin 5 and notes Vout = Iload × Rload × Rshunt / 1000.
I2C · Analog · 3.3 – 5 V · Breakout
Verify supply voltage and logic levels before powering up.
Module pins: VCC, VIN-, VIN+, GND, OUT. Schematik maps them to your board in the app.
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