• Rajkumar Sarma

Charge Pump is a circuit capable to scale up and down the output level compares to DC supply voltage. A buck converter (down converter) has low output voltage and boost converter (up converter) has high output voltage. In battery an operated hand held device it is frequently required to boost up and down the voltage level, charge pump uses a chain of capacitor for charging and discharging. In this work a programming feature have been enabled to scale up or down voltage level. Multiplexer based programming have limitation buck and boost converter function parallel results in high power consumption. Comparator based programmable charge pump are efficient design, used have choice to set a particular voltage to function each individually; A 5V supply voltage up to 22V and buck down to 320mv.

charge pump; Boost; Buck; voltage multiplier

"A novel approach to design Charge Pump ", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.5, Issue 12, page no.651-656, December 2018, Available :http://www.jetir.org/papers/JETIREB06080.pdf

"A novel approach to design Charge Pump ", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.5, Issue 12, page no. pp651-656, December 2018, Available at : http://www.jetir.org/papers/JETIREB06080.pdf