RF6590

RF6590 POWER MANAGEMENT IC Package: 16-Bump WLCSP, 4x4 Array, 1.73mmx1.73mm VPWR PGND Features  3 High Efficiency DC to DC Buck Converters  2 Low Noise LDOs  Wide Voltage Range (2.5V to 5.1 V)  2.8MHz PWM Switching Frequency  Low Quiescent Current  Auto PFM/PWM Controller  Programmable Via SPI  Small, Wafer-Level Chip-Scale Package  Over-current (OC) Protection Applications  Transceiver Power Management  LTE, 2G/3G Multi-Mode, Multi-Band Handsets  Quad-Band GSM/EDGE Handsets  Multi-Band UMTS Handsets SPI_CLK D4 SPI_SS B4 SPI_DRW C4 CLK_ON B3 VDD_IO B2 SPI Control Output 1 PWM/PFM Controller + Drivers D3 C3 C1 D2 Shared Blocks Bandgap Bias Block Oscillator A4 VANA A3 AGND Output 2 PWM/PFM Controller + Drivers Output 2 LDO D1 C2 Output 3A PWM/PFM Controller + Drivers B1 A1 Output 3B LDO A2 LX1 VSNS 1.08V LX2 VSNS 1.74V LX3A VSNS 2.81V OutPut 3B Functional Block Diagram Product Description The RF6590 is a power management IC designe...