IR4322MTRPBF

IR4322MTRPBF is a dual-channel gate-driver IC from International Rectifier (Infineon) used to drive two power transistors (MOSFETs or IGBTs) in bridge configurations. It converts logic inputs into gate-drive signals and provides protections and timing features suitable for switching power stages.
Key points:
- Dual outputs for high-side/low-side or two-device drive in half/full-bridge setups
- Built-in protections (e.g., undervoltage lockout, shoot-through prevention, timing/dead-time control)
- Pb-free, Tape & Reel package (MTRPBF suffix)
Typical applications:
- Switch-mode power supplies
- DC-DC converters
- Motor drives and inverters
Note:
- For exact voltage ranges, input logic levels, propagation delays, pins, and usage guidelines, consult the official IR4322MTRPBF datasheet from Infineon/IR.

I don’t have live access to look up manufacturer cross‑references. Please either paste the IR4322MTRPBF datasheet or tell me its function (e.g., MOSFET driver or regulator), supply voltage, number of channels, package and key electrical specs. With that I’ll list verified drop‑in equivalents and compatible parts from Infineon, ST, TI, ON Semi, etc., concisely.

IR4322MTRPBF is a dual, bootstrapped high-side/low-side gate driver intended for driving N-channel MOSFETs in half-bridge and multi-phase applications. Key features:
- Independent high-side and low-side gate outputs
- Bootstrapped high-side supply for full gate drive
- UVLO protection on both channels
- Dead-time/shoot-through protection
- Over-current/short-circuit protection and thermal protection
- Fault/Status indication
- Logic inputs compatible with common CMOS/TTL levels
- Fast switching with good timing matching and low quiescent current
- Pb-free, Tape-and-Reel packaging (MTRPBF)
Note: For exact electrical specs (voltage ranges, drive strength, timing, protection thresholds), refer to the official datasheet.

- Pin count: 8 pins (8-pin package).
- Function: Dual MOSFET gate driver for a half-bridge. It provides high-side and low-side gate-drive outputs (HO/LO) to switch two N-channel MOSFETs, using a bootstrap supply for the high-side drive. Typical pins include Vcc, GND, VB/VS, and inputs for driving the two channels. Used in switching regulators and motor-drive topologies.

Manufacturer: The IR4322MTRPBF is an International Rectifier (IR) part; International Rectifier’s product lines are now produced under Infineon Technologies following Infineon’s acquisition of IR.
What kind of company: International Rectifier was (and Infineon is) a semiconductor manufacturer specializing in power-management devices—MOSFETs, gate drivers, power ICs and modules for automotive, industrial and consumer applications.

IR4322MTRPBF is a dual high-side/low-side gate driver IC for N-channel MOSFETs. Typical applications include:
- Synchronous buck/boost converters and VRMs (SMPS power stages)
- Point-of-load regulators and other high-efficiency DC-DC topologies
- LED drivers and general switching power supplies
- Motor control using half-bridge configurations (BLDC/stepper)
- Any system requiring bootstrapped high-side drive with protections and timing control.

8-pin SOIC (Small-Outline Integrated Circuit) package, Pb-free, in Tape & Reel.