Product Overview: MAX4378FAUD+ from Maxim Integrated
The MAX4378FAUD+ is a high-precision, low-power, high-side current-sense amplifier from Maxim Integrated, designed to provide a simple and efficient solution for applications requiring accurate current monitoring. This device is particularly suitable for portable and battery-powered equipment due to its low power consumption and compact form factor.
Key Features
- High-Side Current Sensing: The MAX4378FAUD+ monitors the current flowing through a shunt resistor placed in the high side of the circuit, allowing for the detection of load current without interrupting the ground path.
- Wide Input Common-Mode Range: With an input common-mode range that extends from 2.7V to 28V, this device is versatile and can be used in a variety of system voltages.
- Low Quiescent Current: The device features a low quiescent current of only 100µA (typical), which is ideal for battery-powered applications.
- High Accuracy: Precision current sensing is achieved thanks to a low input offset voltage, ensuring accurate current measurement over the entire operating temperature range.
- Multiple Gain Options: The MAX4378FAUD+ is available in different gain versions, providing flexibility in the design to match the sensitivity requirements of different applications.
Applications
- Notebook Computers
- Battery Management Systems
- Power Management
- Portable Devices
- Telecommunications Equipment
Technical Specifications
| Parameter |
Value |
| Supply Voltage |
2.7V to 28V |
| Quiescent Current |
100µA (typical) |
| Input Offset Voltage |
250µV (max) |
| Operating Temperature Range |
-40°C to +85°C |
The MAX4378FAUD+ from Maxim Integrated is a robust and reliable choice for designers looking to implement current sensing in their systems with minimal power loss and high accuracy. Its ease of use and integration into existing designs make it an excellent choice for a wide range of applications.