TY - CONF
T1 - Architecture of a digital PFM controller for IC implementation
AU - Livreri, Patrizia
AU - Capponi, Giuseppe
AU - Marino, null
AU - Di Blasi, Giuseppe Maria
PY - 2004
Y1 - 2004
N2 - This paper presents a digital controller architecture oriented to IC implementation. The classical digital pulse width modulator (D-PWM), using digital analog converter (DAC), is replaced with a Sigma-Delta (ΣΔ) modulator based on pulse frequency modulator (PFM) technique. Results of an investigation from a prototype for DC-DC converter, in terms of simulated and experimental performances, are reported, together with harmonic frequency investigation. The control function design is implemented on a field programmable gate array (FPGA). As a consequence of good agreement between simulated and experimental results, the proposed architecture realizes a digital control loop with dynamic performances comparable to analog control systems
AB - This paper presents a digital controller architecture oriented to IC implementation. The classical digital pulse width modulator (D-PWM), using digital analog converter (DAC), is replaced with a Sigma-Delta (ΣΔ) modulator based on pulse frequency modulator (PFM) technique. Results of an investigation from a prototype for DC-DC converter, in terms of simulated and experimental performances, are reported, together with harmonic frequency investigation. The control function design is implemented on a field programmable gate array (FPGA). As a consequence of good agreement between simulated and experimental results, the proposed architecture realizes a digital control loop with dynamic performances comparable to analog control systems
KW - DC-DC converters
KW - Digital control systems
KW - digital controller
KW - DC-DC converters
KW - Digital control systems
KW - digital controller
UR - http://hdl.handle.net/10447/12221
M3 - Other
SP - 75
EP - 79
ER -