TY - GEN
T1 - Synthesizable wide range DPWM with all-digital PLL for digitally-controlled switching converter
AU - Yang, Chun Hung
AU - Chin-Wei Mu, Mu
AU - Tsai, Chien-Hung
PY - 2011/12/1
Y1 - 2011/12/1
N2 - This paper proposes a synthesizable digital pulse-width modulator (DPWM) architecture, which combines conventional hybrid DPWM with all-digital phase-locked loop (ADPLL) schemes. The digitally controlled oscillator (DCO) of the ADPLL shares hardware with the delay line in the hybrid DPWM to reduce cost. The ADPLL allows the proposed DPWM to accurately calibrate its operating frequency (i.e., the switching frequency) to counteract the delay lines' process, voltage, and temperature (PVT) effects in a wide frequency range. An FPGA prototype DPWM and its associated digitally controlled buck converter system are implemented to verify the proposed architecture.
AB - This paper proposes a synthesizable digital pulse-width modulator (DPWM) architecture, which combines conventional hybrid DPWM with all-digital phase-locked loop (ADPLL) schemes. The digitally controlled oscillator (DCO) of the ADPLL shares hardware with the delay line in the hybrid DPWM to reduce cost. The ADPLL allows the proposed DPWM to accurately calibrate its operating frequency (i.e., the switching frequency) to counteract the delay lines' process, voltage, and temperature (PVT) effects in a wide frequency range. An FPGA prototype DPWM and its associated digitally controlled buck converter system are implemented to verify the proposed architecture.
UR - http://www.scopus.com/inward/record.url?scp=84863073927&partnerID=8YFLogxK
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U2 - 10.1109/IECON.2011.6119550
DO - 10.1109/IECON.2011.6119550
M3 - Conference contribution
AN - SCOPUS:84863073927
SN - 9781612849720
T3 - IECON Proceedings (Industrial Electronics Conference)
SP - 1626
EP - 1630
BT - Proceedings
T2 - 37th Annual Conference of the IEEE Industrial Electronics Society, IECON 2011
Y2 - 7 November 2011 through 10 November 2011
ER -