Low-noise 1.3V buck regulator for the 1P3_RF rail, 3A output, VBATT input, QFN RPU 10-pin 2.0x2.0mm

BarbellAI Clip V1 BLE IMU clip using Raytac MDBT50Q-1MV2 (nRF52840) MCU/radio with external 32.768 kHz LFXO, ICM-42688-P IMU, USB-C protected power entry, and 3.3 V AP2112K-class regulator rail.