Technologies. The IRS44273LTRPBF is an advanced high and low-side low-side driver IC manufactured by Infineon Technologies. It is designed for use in power applications such as PCs, white goods, gaming systems, and automotive applications. It features a 3-phase sinusoidal drive output for PWM-based motor control systems, as well as Pulse Width Modulation (PWM) compatible 4-channel outputs that allow for full bridge phase shift speed control of bipolar stepper motors. It also has a built-in protective shutdown feature with overtemperature shutdown protection. Additionally, it offers 1.5 A peak drive current and 400 mA operating current. The IRS44273LTRPBF is extremely compact, measuring only 6.00 x 6.00 mm, and is perfectly suited for space-limited applications. Unfortunately, Infineon Technologies is currently not accepting orders for this product.