NSCSA240-Q

The NSCSA240-Q is a NOVOSENSE automotive-grade current sense amplifier that measures the small voltage across a shunt and provides an output the controller reads, designed to address the pulse-width-modulation transient interference that a switching power stage imposes. In a motor drive or a power converter the switching produces a fast common-mode step that a poor amplifier turns into a glitch, which corrupts the current reading; the NSCSA240-Q is built to reject that transient, so the current measurement stays accurate in a real power stage. It suits a shunt-based measurement where a high accuracy and a good rejection are needed, and the automotive qualification and the temperature range suit an under-hood design. The device provides an analog output proportional to the current, and it pairs naturally with a NOVOSENSE isolated amplifier or gate driver in the same power stage, so a designer can build a complete current and drive chain from one supplier. Typical applications include the phase current of a motor drive, the current of an inverter and a power converter and the current of a battery and a charging system in an automotive and an industrial design. Every device BeiLuo ships is factory-traceable and includes an import declaration, a certificate of origin and a RoHS compliance file. Our FAE team helps you choose the shunt and the gain and plan the layout and the filtering.