Features

• Voltage Regulator VIN Range: 4.5V to 6V

• Complete Power Integration

▪ Integrated Load Switches to Power Converters from

AC Adapter or Battery Automatically

• Low Standby Current

▪ 200μA (typ) w/LDO1, LDO2 and LDO5 Active,

No Load

• One Step-Down Buck Converter (NP)

▪ 1.24V, 300mA Output

▪ 1.5MHz Switching Frequency

▪ Fast Turn-On Time (120μs typ)

• Five LDOs Programmable by I2C

▪ LDO1: 3.4V, 150mA (PE)

▪ LDO2: 3.4V, 300mA (NP)

▪ LDO3: 1.24V, 300mA (PE)

▪ LDO4: 1.85V, 300mA (NP)

▪ LDO5: 1.85V, 300mA (PE)

▪ PSRR: 60dB @10kHz

▪ Noise: 50μVrms

• One Battery Charger

▪ Digitized Thermal Regulation

▪ Charge Current Programming up to 1.4A

▪ Charge Current Termination Programming

▪ Automatic Trickle Charge for Battery Preconditioning

(2.8V Cutoff)

• Watchdog (WDI) Timer Input

▪ Two Reset (RSTIN, RSTLPW) Timer Outputs

• Separate Enable Pins for PE and NP Supplies

• Digital Programming of Major Parameters via I2C

• Over-Current Protection

• Over-Temperature Protection

• 5x5x0.75mm TQFN55-36 Package