STMicroelectronics has unveiled a chip that simplifies the design of power management, monitoring and safety equipment by allowing direct and accurate measurement of current in power lines operating at up to 70 V. The TSC103 accepts a common-mode input from 2,9 V up to 70 V; this range can also be set from -2,1 V to 65 V in dual-supply configurations. The output is proportional to the measured current and can be connected directly to the analog input of a microcontroller. In addition to the TSC103, ST has also introduced the TSC1031, featuring enhanced EMI filtering to maintain performance in electrically noisy environments. Both devices have adjustable sensitivity that allows their use in diverse applications, such as 24 V vehicle systems, 48 V telecom equipment, multiLED display backlights or solid-state lighting.
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