{"id":58926,"date":"2024-02-14T15:56:59","date_gmt":"2024-02-14T14:56:59","guid":{"rendered":"https:\/\/www.microplanet.ma\/?post_type=product&#038;p=58926"},"modified":"2026-10-20T16:50:42","modified_gmt":"2026-10-20T16:50:42","slug":"ina169-high-side-current-sensor-module","status":"publish","type":"product","link":"https:\/\/www.microplanet.ma\/en\/produit\/ina169-high-side-current-sensor-module\/","title":{"rendered":"INA169 High-Side Current Sensor Module, 5A Listed"},"content":{"rendered":"<h3>INA169 High-Side Current Sensor Module<\/h3>\n<p>The listing describes a module for measuring DC current and voltage and gives a measurement limit of up to 5A. Note: the INA169 IC is a high-side current-shunt monitor, not a Hall-effect sensor. The module listing also specifies a 0.1\u03a9, 1%, 2W shunt. A 5A current through 0.1\u03a9 would dissipate 2.5W in that resistor, so do not assume 5A is a continuous safe rating for this board. Confirm the actual shunt, thermal conditions and board limits.<\/p>\n<h4>Specifications stated in the listing<\/h4>\n<ul>\n<li>Operating\/common-mode range: 2.7\u201360V DC<\/li>\n<li>Current measurement: up to 5A claimed by the listing<\/li>\n<li>Default sensitivity: 1V\/A stated for the module; adjustable with a load resistor<\/li>\n<li>Output: analog voltage proportional to measured current<\/li>\n<li>Accuracy: \u00b11.5% stated in the listing<\/li>\n<li>Temperature range: \u221240\u00b0C to 85\u00b0C stated in the listing<\/li>\n<li>Shunt resistor: 0.1\u03a9, 1%, 2W<\/li>\n<\/ul>\n<p>The measurement current passes through the shunt, creating a small voltage that the INA169 senses and converts to an output current\/voltage with the module\u2019s load resistor. The source incorrectly calls this Hall-effect sensing.<\/p>\n<h4>Applications listed<\/h4>\n<ul>\n<li>Current monitoring for motors and battery charging systems<\/li>\n<li>Power management for electronic devices<\/li>\n<li>Overcurrent detection in circuits<\/li>\n<li>Robotics and autonomous-machine prototyping<\/li>\n<li>Current measurement in energy-management systems<\/li>\n<\/ul>\n<h4>Pinout stated in the listing<\/h4>\n<ul>\n<li>V+: connect to the positive side of the load supply<\/li>\n<li>V\u2212: connect to the load-side negative terminal<\/li>\n<li>OUT: analog output proportional to measured current<\/li>\n<li>GND: ground<\/li>\n<\/ul>\n<p>The listing\u2019s Arduino wiring text says connect V+ to the load source, V\u2212 to the load ground and OUT to an Arduino analog input. Check the board circuit and system grounding before wiring; the IC is intended for high-side shunt measurement.<\/p>\n<h4>Basic Arduino Uno example<\/h4>\n<pre class=\"prism undefined-numbers lang-cpp\" data-lang=\"C++\"><code>#define CURRENT_SENSOR_PIN A0\r\n\r\n\r\nvoid setup() {\r\n\u00a0 Serial.begin(9600);\r\n}\r\n\r\n\r\nvoid loop() {\r\n\u00a0 int sensorValue = analogRead(CURRENT_SENSOR_PIN);\r\n\u00a0 float voltage = sensorValue * (5.0 \/ 1023.0);\r\n\u00a0 float current = voltage; \/\/ 1V\/A pour le module INA169\r\n\u00a0 Serial.print(\"Current: \");\r\n\u00a0 Serial.print(current);\r\n\u00a0 Serial.println(\" A\");\r\n\u00a0 delay(1000);\r\n}<\/code><\/pre>\n<p><strong>Purpose stated in the source:<\/strong> reads the sensor\u2019s analog values, converts them to current and prints them in the serial monitor.<\/p>\n<h5>Components listed<\/h5>\n<ul>\n<li>Arduino Uno<\/li>\n<li>INA169 current sensor module<\/li>\n<li>Connecting wires<\/li>\n<\/ul>\n<h4>Advanced Arduino example with I2C LCD<\/h4>\n<pre class=\"prism undefined-numbers lang-cpp\" data-lang=\"C++\"><code>#include &lt;LiquidCrystal_I2C.h&gt;\r\n\r\n\r\n\/\/ Constantes\r\nconst float V_REF = 5.0;\r\nconst int ADC_RESOLUTION = 1023;\r\nconst float CURRENT_SENSITIVITY = 1.0; \/\/ Sensibilit\u00e9 du module : 1V\/A\r\nconst int CURRENT_SENSOR_PIN = A0;\r\n\r\n\r\nLiquidCrystal_I2C lcd(0x27, 16, 2);\r\n\r\n\r\nvoid setup() {\r\n\u00a0 lcd.begin();\r\n\u00a0 lcd.backlight();\r\n\u00a0 Serial.begin(9600);\r\n}\r\n\r\n\r\nvoid readSensorValues(int&amp; currentSensorValue) {\r\n\u00a0 currentSensorValue = analogRead(CURRENT_SENSOR_PIN);\r\n}\r\n\r\n\r\nfloat calculateCurrent(int currentSensorValue) {\r\n\u00a0 return currentSensorValue * (V_REF \/ ADC_RESOLUTION) * CURRENT_SENSITIVITY;\r\n}\r\n\r\n\r\nvoid displayValuesOnLCD(float current) {\r\n\u00a0 lcd.clear();\r\n\u00a0 lcd.setCursor(0, 0);\r\n\u00a0 lcd.print(\"Current: \");\r\n\u00a0 lcd.print(current, 2); \/\/ Affiche le courant avec 2 d\u00e9cimales\r\n\u00a0 lcd.print(\" A\");\r\n}\r\n\r\n\r\nvoid displayValuesOnSerialConsole(float current) {\r\n\u00a0 Serial.print(\"Current: \");\r\n\u00a0 Serial.print(current, 2);\r\n\u00a0 Serial.println(\" A\");\r\n}\r\n\r\n\r\nvoid loop() {\r\n\u00a0 int currentSensorValue;\r\n\u00a0 readSensorValues(currentSensorValue);\r\n\u00a0 float current = calculateCurrent(currentSensorValue);\r\n\u00a0 displayValuesOnLCD(current);\r\n\u00a0 displayValuesOnSerialConsole(current);\r\n\u00a0 delay(1000);\r\n}<\/code><\/pre>\n<p><strong>Purpose stated in the source:<\/strong> displays measured current on an I2C LCD and the serial console.<\/p>\n<h5>Important note about the examples<\/h5>\n<p>The source code is reproduced unchanged. Its calculation assumes a sensitivity of 1V\/A and a 5V, 10-bit Arduino ADC; actual conversion depends on the module\u2019s shunt, load resistor, wiring and calibration. Verify the equations and board circuit before relying on the displayed current.<\/p>\n<p>Price: 50 MAD.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>INA169 current-sensor module with analog output. The listing\u2019s 5A claim and Arduino scaling example require checking against the installed shunt and board.<\/p>\n","protected":false},"featured_media":58927,"template":"","meta":[],"product_brand":[],"product_cat":[314,316],"product_tag":[],"class_list":["post-58926","product","type-product","status-publish","has-post-thumbnail","product_cat-developpement-en","product_cat-modules-capteurs-en","first","instock","taxable","shipping-taxable","purchasable","product-type-simple"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>INA169 Current Sensor Module | MicroPlanet<\/title>\n<meta name=\"description\" content=\"INA169 high-side current shunt monitor module. 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