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The purpose of sense amplifier design is to enable the amplifier to amplify a very little amount of sensed voltage across the shunt resistor, typically between 10 and 100 mV.
For DC precision, Present Sense amplifiers are built with a high common-mode rejection ratio and low input offset voltage, for example (CMRR).
Through the sensing resistor, current sensing amplifiers can either measure the current flowing in one direction or in both directions. Bi-directional current sensing amplifiers are those that can detect current flow in both directions in such a situation.
The Global bidirectional current sense amplifier market accounted for $XX Billion in 2021 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2022 to 2030.
The TSC201x Bidirectional Current Sense Amplifiers from STMicroelectronics are made to measure the current through a shunt resistor at common-mode voltages ranging from -20V to +70V. Amplification gain of 100V/V is offered by this high-voltage, bidirectional current sensing amplifier.
Low drop voltages as low as 10 mV full scale can be sensed by the TSC201x, reducing measurement error. Current monitoring, overcurrent protection, precision current measuring, and feedback loops are some usage for this device.
In the presence of fast-switching common-mode voltages from -5V to 80V, Linear Technology introduces the LT1999, a high-voltage amplifier for bidirectional current sensing.
Utilizing common low-voltage op-amp supplies, this wide input common-mode range was achieved. The LT1999 can track currents in H-bridge motor controllers, switching power supplies, solenoids, and battery chargers thanks to its 2MHz bandwidth. Even when gauging the currents of the motor and solenoids, to preserve exceptional accuracy.
