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Artículo: AMZ-B0FR9771C6
MusRock
MusRock 2pcs MAX471 Current Sensor Module 3A Range ±0.5% Accuracy
Detalles del producto
Disponibilidad
En stock
En stock
Peso con empaque
0.20 kg
0.20 kg
Devolución
Sí
Sí
Condición
Nuevo
Nuevo
Producto de
Amazon
Amazon
Viaja desde
USA
USA
Sobre este producto
- MAX471 Current Sensor Module: 3A Range, Bidirectional Key Parameters: Input Voltage: 3V-36V DC (wide voltage, onboard LDO for 3.3V/5V logic) Current Detection: 0-3A bidirectional (supports charge/discharge) Sense Resistor: 35mΩ built-in precision (±50ppm/°C drift) Output Ratio: 1V/A (requires external 2kΩ resistor to GND) Accuracy: ±2% full scale (25°C typical) Response Frequency: 130kHz (high-speed transient tracking) Power Consumption: 210μA (operating), <5μA (standby via SHDN) Operating Temperature: -40°C to +85°C (Reliable) Size: 19.5mm × 20.3mm (blue PCB, 8-pin in-line) Pin Functions (Hardware Interface): VIN: DC input positive (3-36V, connect to power source) GND: Power and logic ground (common ground) RS+: Sense resistor power end (series between power and load positive) RS-: Sense resistor load end (series between load negative and GND) OUT: Analog voltage output (1V/A with 2kΩ resistor to GND) SIGN: Direction indicator (open-drain, low=reverse current; requires 100kΩ pull-up to VCC) SHDN: Shutdown control (high=standby mode, <5μA consumption) FAQ: 1. Low output sensitivity? Adjust OUT resistor: 1kΩ for 0.5V/A (max ±1.5A range). 2. SIGN always high? Verify 100kΩ pull-up to VCC and RS+/RS- wiring direction. 3. High-frequency noise? Add 1μF ceramic + 100nF MLCC capacitor between OUT and GND. 4. Reduce power consumption? Set SHDN high for standby (<5μA). 5. No response after soldering? Ensure peak reflow ≤260°C (<10 sec) and cool rate <3°C/sec.
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$24,94
44% OFF
$13,86
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【High-Precision Bidirectional Current Detection】 3A range; ±2% accuracy at 25°C; 1V/A output ratio; bidirectional sensing supports charging and discharging monitoring; Suitable for battery management and motor control systems 【Wide Voltage Compatibility & Low Power Consumption】 3–36V DC input; onboard LDO for 3.3V/5V logic; 210µA working mode; <5µA standby mode; compatible with for Arduino, for Raspberry Pi, and other microcontroller platforms 【Fast Response for Dynamic Load Monitoring】 130kHz bandwidth; captures rapid current transients; suitable for real-time power management and industrial automation applications; minimal signal distortion under load changes 【Easy Integration with External Components】 External 2kΩ resistor required for 1V/A output; 100kΩ pull-up on SIGN pin for direction detection; optional 1µF + 100nF filter capacitor reduces noise interference 【Robust Design for Industrial Settings】 -40°C to +85°C operating range; 35mΩ precision resistor with ±50ppm/°C drift; not suitable for high-voltage (>50V) systems; reliable performance in solar energy and battery testing setups
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