What Is A Bootstrap Circuit Used For?

What is Miller effect electronics?

In electronics, the Miller effect accounts for the increase in the equivalent input capacitance of an inverting voltage amplifier due to amplification of the effect of capacitance between the input and output terminals..

What is charge pump circuit?

A charge pump is a kind of DC-to-DC converter that uses capacitors for energetic charge storage to raise or lower voltage. Charge-pump circuits are capable of high efficiencies, sometimes as high as 90–95%, while being electrically simple circuits.

What is high side mosfet?

“High-side” means the current travels from the supply through the mosfet to the load and then to ground. Another way to put that is: Low-side = mosfet source to ground, drain to load, load to supply. High-side = mosfet drain to supply, source to load, load to ground.

What is high side and low side in electronics?

A high side driver is one in which the switching element is between Vcc and the load. A low side driver is one in which the switching element is between the load and common. A self-contained load such as a DC motor, solenoid/relay, light or LED string, can usually be driven by either method.

What is bootstrap power supply?

Simple in structure, a bootstrap circuit is a step-up charge pump composed of a switch, a capacitor, and a diode, where a voltage equal to the switch voltage (Vin) plus the internal supply voltage is used as the gate drive for the high-side Nch MOSFET. …

What is bootstrap sweep circuit?

A bootstrap sweep generator is a time base generator circuit whose output is fed back to the input through the feedback. This will increase or decrease the input impedance of the circuit. This process of bootstrapping is used to achieve constant charging current.

What bootstrapping is and why it is important?

Entrepreneurs can spend too much time worrying about balance sheets, revenue forecasts, and profit and loss statements. For most start-ups, bootstrapping is an essential first stage because it: … Demonstrates the entrepreneur’s commitment and determination.

What is an example of bootstrapping?

Bootstrapping is a type of resampling where large numbers of smaller samples of the same size are repeatedly drawn, with replacement, from a single original sample. For example, let’s say your sample was made up of ten numbers: 49, 34, 21, 18, 10, 8, 6, 5, 2, 1. … An empirical bootstrap sample is drawn from observations.

How does a bootstrap circuit work?

Within an integrated circuit a bootstrap method is used to allow internal address and clock distribution lines to have an increased voltage swing. The bootstrap circuit uses a coupling capacitor, formed from the gate/source capacitance of a transistor, to drive a signal line to slightly greater than the supply voltage.

What is a high side driver?

High-Side vs. The low-side driver is often used for powertrain-related loads such as motors, solenoids, and heaters. The high-side driver is used for fuel pumps, and body-related functions such as seats, lighting, wipers, and fans. The two drivers differ primarily with respect to their response to fault conditions.

What is a cascode amplifier?

The cascode is a two-stage amplifier that consists of a common-emitter stage feeding into a common-base stage. … In modern circuits, the cascode is often constructed from two transistors (BJTs or FETs), with one operating as a common emitter or common source and the other as a common base or common gate.

What is the difference between high side and low side?

The low-side switch is switching ground while the high-side switch is connecting the voltage supply. Generally in a circuit, you want to keep the ground connected and switch the power. … That voltage drop means the ground is not 0 volts for that device.

What does bootstrap mean?

Bootstrap, or bootstrapping, is a verb that comes from the saying, “to pull oneself up by his bootstraps.” The idiom implies a person is self sufficient, not requiring help from others. Similarly, in the computing world, bootstrapping describes a process that automatically loads and executes commands.

Why is it called bootstrapping?

Bootstrapping has its origin in the early 19th century with the expression “pulling up by one’s own bootstraps.” Initially, it implied an obviously impossible feat. Later, it became a metaphor for achieving success with no outside assistance.

What is bootstrapping in psychology?

In cognitive psychology and artificial intelligence Bootstrap is a term used to describe the situation in which previous knowledge and experience is used to generate second generation strategies and ideas, which themselves are used to generate a third generation etc.