High Power H Bridge. This ic takes high low signals from the arduino and outputs the same boosted signal to drive the mosfet gates specifically its most important function is to increase the voltage to the high side fets above vcc battery input allowing for the use of all n mosfets some drivers also have special circuitry to prevent shoot through when 2 fets create a direct short circuit to ground destroying the fets i. In order to bias these mosfets in the active region a voltage must be applied to the gate that meets the v gs th value as specified in that particular mosfets data sheet.
The convenience of an h bridge is that a low current digital signal can be used to control a high current motor or other device. Integrated solutions also exist but whether the switching elements are. 7a 160w dual h bridge motor controller this is an ultra small low profile dual dc motor driver for space constraint projects capable of deliver high power of up to 7a per output channel.
In general an h bridge is a rather simple circuit containing four switching element with the load at the center in an h like configuration.
In general an h bridge is a rather simple circuit containing four switching element with the load at the center in an h like configuration. An h bridge is a circuit configuration commonly used to control the speed and direction of a brushed dc motor. The h bridge described in this write up is capable of currents up to about 40a at 24v but requires the assembly of a pcb. Double bts7960 h bridge driver circuit with a strong drive and braking effectively isolating the microcontroller and motor driver.
