The difference between Njie x63 chip and z63 chip is that the performance is different
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Njie x63 chip is a voltage chip, it is a high-performance current mode intelligent switching controller integrated circuit, specially designed for small home appliance control board power supply and other non-isolated off-line and DC-DC switching buck converter.
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The z63 chip is a motion control chip that can control two servomoters or stepper motors at the same time. It is output in the form of pulse series, which can control the position of servo motor or stepping motor, interpolation drive, speed control, etc