My current research is mainly focused on power management integrated circuits for various applications such as smartphones, servers, lighting, energy harvesting for IoT etc. Following are few research topics I am currently working on.
High Performance Switching DC-DC Converters
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Inductive and capacitive DC-DC converters
Analog and digital controllers for Buck, Boost and Buck-Boost converters
Fixed Frequency Hysteretic, constant ON-Time and ripple converters
Time based controllers for switching DC-DC converters
Fast transient switching converters
Fast tracking converters for DVFS applications
Low noise switching converters for RF applications
DC-DC converters with auto tuning
Techniques for efficiency improvement
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Low Drop-Out (LDO) Regulators
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Fast transient LDO
High PSSR LDO
Area efficient LDO
Digitally controlled LDO
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Energy Harvesting for IoT
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Ultra low power controllers
Maximum power point tracking (MPPT)
Ultra low power and low voltage AC-DC converter for piezo and RF energy harvesters
Energy harvesting for wearable and biomedical devices
Highly efficient charger circuit
Charge-pump circuits
Ultra low power LDOs
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Power Converters and Drivers for Display and Lighting
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Bi-polar converters for LCD and AMOLED displays
LED drivers for camera flash, display backlight and LED lights
LED drivers with ambient light sensing
LED drivers for pulse oximeters
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Battery Chargers and Fuel Gauge
Motor and Haptics Driver
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Sensorless DC/BLDC motor drivers
Stepper motor drivers
Linear resonant motor drivers
Back EMF sensing techniques
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