ADP1655 Datasheet | Analog Devices

FEATURES Ultrapact solution Small 2 mm × 1.5 mm 12-ball WLCSP package Tiny, low profile 2.2 μH power inductor LED current source for local LED grounding and low EMI Synchronous 2 MHz PWM boost convertor, no external diode High efficiency: 88% peak Reduces high levels of input battery current during flash Limits battery current drain in torch mode I2C programmable Currents up to 400 m A in flash mode for two LEDs Currents up to 500 m A in flash mode for one LED with 5% accuracy Currents up to 160 m A in torch mode with 10% accuracy Peak inductor current limit Flash timer Control I2C-patible control registers External STROBE pin External direct TORCH pin TX_MASK input to prevent high input battery current levels Safety Thermal overload protection Flash timeout Inductor fault detection Output overvoltage Short circuit protection Soft start reduces inrush input current FUNCTIONAL BLOCK DIAGRAM INPUT VOLTAGE = 2.5V TO 5.5V 2.2µH 10µF STROBE VIN TORCH SW VOUT SCL/EN1 SDA/EN2...