Allegro recommends a 2-layer or 4-layer PCB with a solid ground plane and thermal vias to dissipate heat efficiently. A minimum of 1 oz copper thickness is recommended.
To ensure accurate current sensing, Allegro recommends using a low-impedance PCB layout, minimizing the distance between the sense lines and the device, and using a Kelvin connection to the sense lines.
Allegro recommends using a low-pass filter with a cutoff frequency of 100 kHz to 1 MHz to filter out high-frequency noise and ensure accurate current sensing.
Yes, the ATS19520 is rated for operation up to 150°C. However, Allegro recommends derating the device's current sensing capability at high temperatures to ensure accurate and reliable operation.
Allegro recommends calibrating the ATS19520 using a known current source and adjusting the device's offset and gain settings to achieve optimal accuracy and linearity.
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ATS19520LSNBTN-RSWHPYU Overview
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