SMB118

PLEASE NOTE: The SMB118 has entered End-of-Life. SMB118/218 Six-Channel Programmable DC-DC Power Managers with Battery Charger FEATURES & APPLICATIONS INTRODUCTION 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 Six programmable regulator channels with 1.5% accuracy o Three synchronous step-down (Buck) with internal PFETs o One configurable step-up (Boost) or synchronous step-down (Buck) o One step-up (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 1MHz PWM frequency and power-saving automatic PFM mode 96 bytes of user configurable nonvolatile memory Applications Portable Media Players Digital camcorders/still cameras Smart PDA/Camera phones Handheld GPS/PDA’s TFT-LCD Displays/Monitors/TVs SIMPLIFIED APPLICATIONS DRAWING The SMB118 and SMB218 are highly integrated and flexible sixchannel power managers designed for use in a wide range of portable applications. The built-in digital programmability allows system designers to custom tailor the device to suit a...