سنسور و مبدل سنسور جریان

Product Attributes

Introduction

The CC6906 device is a high-performance Hall-effect current sensor that can measure DC or AC current more efficiently, and has the advantages of high accuracy, excellent linearity and temperature stability in industrial, consumer, and communication equipment. The CC6906 device consists of a high-precision, low-noise linear Hall integrated circuit and a low-resistance main current conductor. Ultra-low impedance conductor of 30uΩ leads minimize power loss and heat dissipation. The internal inherent insulation provides a 200 VRMS isolation withstand voltage between the primary and secondary circuits. The sensor adopts linear Hall sensor temperature compensation technology, which has high temperature stability characteristics. The differential common-mode suppression circuit integrated in CC6906 can make the chip output unaffected by external interference magnetic signals. The integrated dynamic offset elimination circuit makes the sensitivity of the chip independent of external stress and chip packaging stress. Another advantage of the CC6906 is the fast fault monitoring function of the open-drain output, which is ideal for overcurrent fault detection. This feature is flexible in fault detection and greatly simplifies board application layout. Reference voltage (VREF) allows differential measurements as well as a reference voltage (VOC) for setting overcurrent fault thresholds CC6906 is available in TO263-7 package. It’s operating ambient temperature range is -40~125℃. Comply with RoHS requirements.

Features

• Built-in VREF Output，External VREF Input:
  • Built-in VREF Output: VOE is programmable to <5mV
  • External VREF Input: VOUT quiescent output voltage is consistent with it
• Measuring current range: 50A, 100A, 150A, 200A, 300A
• The overcurrent point VOC is user-set, with a low latency error alarm output xFAULT
• Low noise, single-ended analogue output
• Less power loss, internal conductor’s resistance is 30uΩ
• High bandwidth, up to 250kHz, 1.2us output rise time in response to step input current
• 200VRMS withstand isolation voltage between pins 8~9 and ~7
• Room temperature error =1%, Sensitivity Error up to ±2.5%
• Good temperature stability, using Hall signal amplification circuit and temperature compensation circuit
• Differential Hall structure, strong resistance to external magnetic interference
• Strong resistance to mechanical stress, magnetic parameters will not be offset by external pressure
• ESD (HBM) 4kV，ESD(CDM)1kV，LU 200mA

Applications

• Motor Controller
• Load Monitoring System
• Switch-Mode Power Supplies
• Overcurrent Fault Protection
• PV and Energy Storage