SMB122X Overview
Description
Digital programming of all major parameters via I2C interface and non-volatile memory o Output voltage setpoint/margining o Sequencing & digital soft start o Enable/Disable outputs independently o Input/Output UV/OV voltage thresholds o PWM/PFM mode - Eight programmable regulator channels o Three synchronous step-down (Buck) with internal PFETs o One configurable step-up (Boost) or synchronous stepdown (Buck) o Two step-up (Boost) o One configurable step-up (Boost) or inverting stepup/down (Buck-Boost) o One adjustable output voltage LDO - Programmable Linear Li-Ion Battery Charger o Precharge/fast charge/termination current o Fast Charge voltage threshold o Float Voltage - +2.7V to +6.0V Input Range (Higher system voltages supported) - Built-in current limiting, UV/OV, and thermal protection - Highly accurate reference and output voltage (<1.5%) - 1MHz PWM frequency and automatic power-saving PFM mode - 96 bytes of user configurable nonvolatile memory.
