亚博棋牌游戏Allegro MicroSystems, LLC announced a new high precision current sensor IC

亚博棋牌游戏Allegro MicroSystems, LLC announced a new high precision current sensor IC

August 12, 2014

Specifically for the current sensor application design of high-precision and voltage isolation

Worcester, Massachusetts,- 亚博棋牌游戏Allegro MicroSystems, LLC announced two new current sensor IC devices, the two devices is A real plus or minus 5 A sensor IC or one-way 10 A sensor IC, applicable to small current at higher output swing low power applications.Allegro 'ACS722andACS723Devices for industrial, commercial and communication systems, AC or DC current sensing provide economical solutions accurately.Small package is the space has limited the application of the ideal, the smaller board area also saves the cost.Typical applications include motor control, load detection and management, switch power supply, and overcurrent fault protection.(please note that the device is not suitable for automobile application.)

These devices from a low bias of precision linear hall sensor circuit, its copper current path near the surface of the wafer.By applying current can generate the copper current path can be integrated hall IC and translated into is proportional to the voltage of the induced magnetic field.Through the magnetic field near the hall sensor, precision optimization implementation device.Accurate is proportional to the voltage stable by the chopper type low bias BiCMOS hall IC provides, in the IC packaging have precision programming.As more and more current flowing through the copper main current path (from pins 1 and 2, to pin 3 and 4), the output of the device with a positive slope.The path is the path of the current sensor used.The current path of the internal resistance is 0.6 m Ω, usually has lower power consumption.

Current path of the terminal and sensor pin (pin 5 to 8) electrical insulation.This makes ACS722 and ACS723 current sensor IC can be used to not use high side differential amplifier or other high cost insulation technology of high side current sensing applications.The two devices by the certification for 2400 VRMS insulation, can be used in AC lines bundled applications.

Sensor IC using small low profile surface SOIC8 package installation.Fog pin box with 100% of tin plating, can be compatible with standard lead-free PCB assembly process.The device contains no lead inside, now enjoy the restrictions on the use of certain hazardous substances directive (RoHS) immunity except the flip chip of high temperature leaded solder ball.Device has completely calibration in factory before shipment.