High side vs low side driver

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 drive. Continue Reading. Footnotes. CC Low side supply voltage † V V IN Logic input voltage COM - V CC + V B High-side floating well supply voltage V S High-side floating well supply return voltage V B - 25 V B + V HO Floating gate drive output voltage V S - V B + V LO Low-side output voltage COM - V CC + COM Power ground V CC - 25 V CC + Author: Infineon Technologies. High Side/Low Side Drive. A semiconductor switch placed in the upper circuit with respect to an external load is referred to as high-side drive (power supply side), and when mounted in the lower circuit is called low side drive (ground 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. One reason is that even when the transistor is fully turned on, there is still a small voltage drop across it. 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 drive. Continue Reading. Footnotes. High Side/Low Side Drive. A semiconductor switch placed in the upper circuit with respect to an external load is referred to as high-side drive (power supply side), and when mounted in the lower circuit is called low side drive (ground side).

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