The EVQ1923-RE-00A is an evaluation board designed to demonstrate the capabilities of the MPQ1923, a high-frequency half-bridge gate driver. The MPQ1923 has a 7A source current (I_SOURCE) and 8A sink current (I_SINK) at a 12V driver power supply voltage (_VDD).

The integrated bootstrap (BST) diode reduces the external component count. The device’s high-side MOSFET (HS-FET) and low-side MOSFET (LS-FET) drivers are controlled independently, and can be matched with a time delay (<5ns). If the IC supply is insufficient, then under-voltage lockout (UVLO) protection on both the HS-FET and LS-FET force the outputs low.

The MPQ1923 is designed for motor drivers and other power-control applications (e.g. telecommunication half-bridge power supplies, avionics DC/DC converters, two-switch forward converters, and active-clamp forward converters.

The MPQ1923 is available in small QFN-10 (4mmx4mm) and QFN-8 (4mmx4mm) packages.

The EVQ1923-RE-00A is configured as a buck converter. The INH and INL pins are independent signals. Choose complementary pulse-width modulation (PWM) signals and a proper dead time (DT) for INH and INL.