The MAX471 module is a complete, bidirectional, high side current-sense amplifier for portable PCs, telephones, and other systems where battery/DC power-line monitoring is critical. High-side power-line monitoring is especially useful in battery-powered systems since it does not interfere with the ground paths of the battery chargers or monitors often found in “smart” batteries. The MAX471 has an internal 35mΩ current-sense resistor and measures battery currents up to ±3A. The module has a built-in 2K Ohm sense resistor giving the module a full sensor range of +/- 3A. An open-collector SIGN output indicates current-flow direction, so the user can monitor whether a battery is being charged or discharged. The operation is from 3V to 36V and draws less than 100µA over temperature
The module is also supplied with optional 2-way screw terminal and 0.1″ pitch header (requires soldering).
Package Includes :
1 x MAX471 GY-471 3A CURRENT SENSOR MODULE.
Product code: HCSENS0041
Current sens max: +/- 3A
Current sense voltage: 3 to 36V
Sensor output: 1V / Amp
Dimensions: 20mm x 19.5mm