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The TMCS1107A1UQDR is an electrically isolated Hall effect current sensor capable of measuring DC or AC currents with high accuracy, excellent linearity and temperature stability. The low-drift, temperature-compensated signal chain enables a full-scale error of <3% over the temperature range of the device.

Input current flows through an internal 1.8mΩ conductor, which generates a magnetic field that can be measured by an integrated Hall effect sensor. This eliminates the need for an external concentrator and simplifies the design. Low conductor resistance minimises power loss and heat dissipation. Inherent galvanic insulation provides 420V lifetime operating voltage and 3kVRMS basic isolation between the current path and the circuit. Integrated electrical shielding provides excellent common mode rejection and transient immunity.

The output voltage is proportional to the input current and has several sensitivity options. The fixed sensitivity allows the TMCS1107 to operate from a single 3V to 5.5V supply, thus eliminating proportionality errors and improving supply noise rejection. Current polarity is considered positive when current flows into the positive input pin. Unidirectional and bidirectional sense models are available.

Product Attributes

For measurement: AC/DC  

Sensor Type: Hall Effect  

Number of channels: 1  

Output: Ratio, Voltage  

Sensitivity: 50mV/A  

Frequency: 80kHz  

Linearity: ±0.5 per cent  

Voltage - Supply: 3V ~ 5.5V  

Response Time: 6.5µs  

Current - Supply (Max): 6mA  

Operating Temperature: -40°C ~ 125°C (TA)  

Rating: Automotive Grade  

Qualification: AEC-Q100  

Polarisation: Unidirectional  

Mounting Type Surface Mount  

Package/Shell 8-SOIC (0.154", 3.90mm Width)

Applications

- Inverter and H-bridge current measurement

- Power factor correction

- Overcurrent protection

- DC and AC power monitoring

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