Allegro MicroSystems ACS733KLATR-40AB-T

Allegro MicroSystems ACS733KLATR-40AB-T Environmental and export classification status description

The ACS733KLATR-40AB-T is a ratiometric, linear hall-effect current sensor. It offers a single output voltage proportional to the current passing through the device. This sensor is designed for applications requiring high-bandwidth, fast response, and low-noise performance. 2. Functions: - Measures currents ranging from -40A to +40A. - Provides a linear output voltage that varies with the input current. - Uses a ratiometric output, allowing easy interfacing with analog-to-digital converters. - Supports a wide power supply range (3V to 5.5V). - Suitable for high-bandwidth applications due to its fast response time. 3. Applications: - Motor control systems and robotics: Allows precise monitoring of motor currents for closed-loop control. - Power supplies and inverters: Enables accurate current sensing in power circuits for control and protection. - Battery management systems: Facilitates battery charging and discharging monitoring. - Current monitoring and measurement: Useful in various industrial and automotive applications where current measurement is required. 4. Alternative Parts: - Allegro MicroSystems ACS712: A similar current sensor with different current range options. - Texas Instruments INA219: An integrated current sensor with a built-in ADC for precise measurements. - Honeywell CSN-A1: A hall-effect current sensor with analog output. 5. Embedded Modules: - SparkFun Hall Effect Current Sensor Breakout: A breakout board that integrates the ACS733KLATR-40AB-T for easy prototyping. - Adafruit INA219 Current Sensor Breakout: A breakout board featuring the INA219 sensor, ideal for measuring current and voltage simultaneously. Related Q&A: Q1: How does the ACS733KLATR-40AB-T communicate with a microcontroller? A1: The ACS733KLATR-40AB-T communicates with a microcontroller by providing an analog output voltage proportional to the sensed current. This voltage can be directly read by the ADC of the microcontroller. Q2: What is the accuracy of the ACS733KLATR-40AB-T? A2: The device has a typical accuracy of ±1.5% over the specified temperature and current range. Q3: Can the ACS733KLATR-40AB-T measure both AC and DC currents? A3: Yes, the ACS733KLATR-40AB-T can measure both AC and DC currents accurately due to its hall-effect sensing principle. Q4: Is this sensor suitable for high-frequency current measurements? A4: Yes, the ACS733KLATR-40AB-T is designed for high-bandwidth applications, allowing accurate measurement of high-frequency currents. Q5: Does the ACS733KLATR-40AB-T require an external power supply? A5: Yes, the sensor requires a separate power supply in the range of 3V to 5.5V for its operation.