STDRIVE101 Triple Half-Bridge Gate Driver STMicroelectronics STDRIVE101 Triple Half-Bridge Gate Driver is a low-voltage gate driver suitable for driving three-phase brushless motors. The STDRIVE101 is a single-chip with three half-bridge gate drivers for N-channel power MOSFETs. Each driver has a current capability of 600mA (sink/source). It integrates a low drop linear regulator generating the supply voltage for both low-side and high-side gate drivers through a bootstrap circuitry. The device provides an under-voltage lockout (UVLO) on both the low-side and high-side sections, preventing the power switches from operating in low efficiency or dangerous conditions.