Digital and mixed-signal IP and ASIC RISC-V reference design for USB Type-C/PD power adapter/charger
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Phase-frequency detector with charge pump
Phase-frequency detector (PFD) forms control signal for VCO tuning. PFD compares phases of divided VCO signal and divided reference oscillator signal and detects phase difference. Charge pump generates pulses for loop filter.
Reference frequency 0.1..25 MHz. Output current is 44...647 uA.
Reference frequency 0.1..25 MHz. Output current is 44...647 uA.
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