ADP1650
FEATURES
Ultrapact solution Small, 2 mm × 1.5 mm, 12-ball WLCSP package Smallest footprint, 1 mm height, 1 μH power inductor LED current source for local LED grounding Simplified routing to/from LED Improved LED thermals Synchronous 3 MHz PWM boost converter, no external diode High efficiency: 90% peak Reduces high levels of input battery current during flash Limits battery current drain in torch mode I2C programmable Currents up to 1500 m A in flash mode for one LED with 7% accuracy over all conditions Currents up to 200 m A in torch mode Programmable dc battery current limit (4 settings) Programmable flash timer up to 1600 ms Low VBAT mode to reduce LED current automatically 4-bit ADC for LED VF, die/LED temperature readback Control I2C-patible control registers External STROBE and torch input pins 2 transmitter mask (Tx MASK) inputs Safety Thermal overload protection Inductor fault detection LED short-/open-circuit protection
FUNCTIONAL BLOCK DIAGRAM
INPUT VOLTAGE = 2.7V TO 5.0V 10µF...
