The MAX5977 application circuit for two-domain current monitoring. A microcontroller collects and processes load-current data that is digitized by an ADC, which can be external or integrated into the microcontroller itself.
The external force is based on the dynamic model for the arm and is extrapolated from the calculated motor load current of the drive shaft torque and angular speed and angular acceleration of the various axis.
The breakdown voltage BVCEO of Q1 should be greater than 60 V. The external boost capability is useful in applications where the AD5422 is used at the extremes of the supply voltage, load current, and temperature range.
The current which flows through the SSR changes with the ambient temperature. Be sure to use the SSR within the range of the load current characteristics curve for each product.
Power Supply ICs Used in Design A power supply IC is selected on the assumption that the power supply input/output voltages, the load current, and other parameters are already determined.
In Figure 1, the power supply provides total current(IT) to the circuit, where IQ is the quiescent current for the operational amplifier and IL is the load current.
At t=0.35 s, the output reference voltage is maintained at 120 VDC and the load is doubled. The bus capacitor is again discharged by the increase in load current.
Designing a DC/DC converter involves the selection of a power supply IC through consideration of various requirements, including the transient response, switching frequency, size, and cost, beyond such input/output conditions as the input voltage, output voltage, and load current.
For example, in equipment that tends to be in a wait state for a long time, such as smartphones, much of the time of operation is in the standby state, and there is only a very small load current, which is a DC current..
In actuality, by checking input and output voltages, load currents, temperatures, and the like in worst-case usage conditions, the requirement that absolute maximum ratings"must not be exceeded, even momentarily" is confirmed.
When the switch is closed, the closing of the electric arc contact bear wear; switch sub-gate, bear strong arc contact arcing circuit breaking time, the protective role of the main contact; long-term commitment by the main contact load current task.
There is an advantage to using the POUT output of the current-sense amplifier instead of the IOUT output: the signal fed to the ADC(which is proportional to the current in the load) is scaled by the VREF voltage.
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