DESCRIPTION

· The IR5001S is a universal high-speed controller and N-channel power MOSFET driver designed for Active ORing and reverse polarity protection applications.

· It determines the output voltage based on the polarity of the voltage difference on its input terminals, turning the Active ORing FET on or off accordingly.

· The IC features a typical turn-off delay of 130nS, minimizing voltage sags on redundant DC voltage.

· It includes integrated high voltage resistors and internal clamps, making it suitable for applications up to 100V with minimal external components.

FEATURES

· Controller/driver IC in an SO-8 package for Active ORing/reverse polarity protection using N-channel Power MOSFETs.

· Suitable for both input ORing in telecom equipment and output ORing in redundant DC-DC and AC-DC power supplies.

· 130ns typical turn-off delay time and 3A peak turn-off gate drive current.

· Asymmetrical offset voltage prevents oscillations at light load.

· Can withstand continuous gate short conditions and has integrated voltage clamps on comparator inputs.

· Can be powered directly from a 36-75V universal telecom bus or an external bias supply.

APPLICATIONS

· -48V/-24V Input Active ORing for carrier class communication equipment.

· Reverse input polarity protection for DC-DC power supplies.

· 24V/48V output active ORing for redundant AC-DC rectifiers.

· Low output voltage (12V, 5V, 3.3V...) active ORing for redundant DC-DC and AC-DC power supplies.

· Active ORing of multiple voltage regulators for redundant processor power.