Power supply controller Summit Microelectronics

FEATURES

- Digital programming of all major parameters via I2C interface and non-volatile memory
- Output voltage setpoint/margining
- Sequencing & digital soft start
- Enable/Disable outputs independently
- Input/Output UV/OV voltage thresholds
- PWM/PFM mode
- Eight programmable regulator channels with 1.5% accuracy
- Three synchronous step-down (Buck) with internal PFETs
- One configurable step-up (Boost) or synchronous step-down (Buck)
- Two step-up (Boost)
- One configurable step-up (Boost) or inverting step-up/down (Buck-Boost)
- One adjustable output voltage LDO
- Programmable Linear Li-Ion Battery Charger
- Precharge/fast charge/termination current
- Fast Charge voltage threshold
- 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

APPLICATIONS
- Portable Media Players
- Digital camcorders/still cameras
- Smart PDA/Camera phones
- Handheld GPS/PDA's
- Portable Equipmen