Patent
Time-multiplexed-capacitor DC/DC converter with multiple outputs
TLDR
In this paper, a multiple output DC-to-DC voltage converter using a new time-multiplexed-capacitor converter algorithm and related circuit topologies is described.Abstract:
A multiple output DC-to-DC voltage converter using a new time-multiplexed-capacitor converter algorithm and related circuit topologies is herein disclosed. One embodiment of this invention includes a flying capacitor, a first output node, a second output node, and a switching network. The switching network configured to provide the following modes of circuit operation: 1) a first mode where the positive electrode of the flying capacitor is connected to an input voltage and the negative electrode of the flying capacitor is connected to ground; 2) a second mode where the negative electrode of the flying capacitor is connected to the input voltage and the positive electrode of the flying capacitor is connected to the first output node; and 3) a third mode where the positive electrode of the flying capacitor is connected to ground and the negative electrode of the flying capacitor is connected to the second output node.read more
Citations
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References
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Patent
Charge pump circuit and methods of operation thereof
TL;DR: A charge pump circuit as mentioned in this paper provides a split-rail voltage supply, the circuit having a network of switches that is operable in a number of different states and a controller for operating the switches in a sequence of said states so as to generate positive and negative output voltages together spanning a voltage approximately equal to the input voltage and centered on the voltage at the common terminal.
Patent
Voltage converting circuit and multiphase clock generating circuit used for driving the same
TL;DR: A voltage converting circuit of the charge pump step-up type includes a first circuit means for charging each of first and second capacitors with the voltage of a voltage source at a first timing as mentioned in this paper.
Patent
Rechargeable portable light with multiple charging systems
Mark I. Robinett,Don Snyder +1 more
TL;DR: In this article, a rechargeable portable light has a housing member with an opening for the emission of light, and several possible charging systems including a solar panel, an AC charger, an auto charger, and a hand crank generator charger.
Patent
Multiple output charge pump
TL;DR: In this article, a single mode buck/boost charge pump has multiple outputs and is adapted to power a plurality of separate loads, such as light emitting diodes, in a highly efficient manner.
Patent
Biasing system and method for low voltage DC—DC converters with built-in N-FETs
Kwang H. Liu,Sorin L. Negru +1 more
TL;DR: In this article, a gate drive supply circuit with a boost regulator for generating low-level supply voltage and a charge pump doubler for generating the high level supply voltage is presented.