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This book describes power management ICs to tackle the challenges for both accurate and efficient power delivery for today''s high performance processors. A double-edge multi-phase low-latency pulse width modulator IC is implemented in 0.18 um CMOS process with 0.04 mm2 active area and demonstrates a fast double-edge pulse width modulation scheme which is important for achieving fast controller response for high bandwidth applications. A multi-mode 4-phase digital IC controller for voltage regulator application is implemented in 0.18 um CMOS process with 4 mm2 active area. The controller…mehr

Produktbeschreibung
This book describes power management ICs to tackle
the challenges for both accurate and efficient power
delivery for today''s high performance processors.
A double-edge multi-phase low-latency pulse width
modulator IC is implemented in 0.18 um CMOS process
with 0.04 mm2 active area and demonstrates a fast
double-edge pulse width modulation scheme which is
important for achieving fast controller response for
high bandwidth applications. A multi-mode 4-phase
digital IC controller for voltage regulator
application is implemented in 0.18 um CMOS process
with 4 mm2 active area. The controller combines load
current feedforward with voltage mode feedback to
achieve fast transient response and multi-mode
control strategy improves the converter efficiency by
at least a factor of ten in light load condition. A
load-scheduled integrator array is developed in the
controller IC which improves the load transient
response when voltage regulator transitions between
continuous conduction mode and discontinuous
conduction mode.
Autorenporträt
Jianhui Zhang received Ph.D. degree from University of
California, Berkeley in electrical engineering in 2006. He is
currently the design manager at National Semiconductor
Corporation focusing on research and development of power
management circuits
associated with renewable energy and battery management system
for hybrid and electric vehicle.