Single inductor 4-switch buck-boost controller On-the-fly bidirectional operation with independent control of voltage and current on both ends Proprietary algorithm for smoothest mode transition MOSFET drivers with adaptive shoot-through protection Wide input voltage range: 4.5V to 40V Wide output voltage range: 0.8V to 40V Supports pre-biased output with SR soft-start Programmable frequency: 100kHz to 600kHz Supports parallel operation current sharing with cascade phase interleaving External sync with clock out or frequency dithering External bias for higher efficiency supports 5V - 36V input Output and input current monitor Selectable PWM mode operation between PWM/DE/Burst modes Low shutdown current: 2.7μA Complete protection: OCP, SCP, OVP, OTP, and UVP - Dual-level OCP protection with average current and pulse-by-pulse peak current limit - Selectable OCP response with either hiccup or constant current mode - Negative pulse-by-pulse peak current limit