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MAX471 GY-471 3A CURRENT SENSOR MODULE

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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…

100.00 (Tax Excl.)

Out of stock

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.
Specification:

Product code: HCSENS0041
Current sens max: +/- 3A
Current sense voltage: 3 to 36V
Sensor output: 1V / Amp
Dimensions: 20mm x 19.5mm

Pinout
Sensor
RS+………Load positive supply (3 to 36V)
RS-……….Connect to load or charger
Interface:
RS+………Alternative load positive supply (3 to 36V)
GND………Connect to loads 0V/GND supply
OUT……….Current sensor output (1V / Amp, 3V max)
SIGN……..Current flow direction. An open-collector logic output (low = current flow from RS+ to RS-).
GND………Alternative GND (Connect to loads 0V/GND supply)
RS-………..Alternative load/charger connection.
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Weight 5 g

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