Boost regulator for camera flash and lighting
The Texas Instruments TPS61054YZGT is a DC DC regulator using a Step-Up (Boost) topology, designed to drive high-current LEDs in camera flash and general lighting applications. It integrates the switching FET internally and delivers up to 700 mA (Flash) from a single output, with PWM dimming for brightness control.
2 MHz switching shrinks the inductor
Switching at 2 MHz allows the use of small, low-profile inductors and ceramic capacitors, keeping the total solution footprint compact — important for space-constrained camera modules and portable lighting. The input supply range spans 2.5 V to 6 V, making it compatible with single-cell Li-ion batteries or 3.3 V / 5 V regulated rails. The output is regulated to 5.5 V.
Buyers should plan for last-time-buy or surplus-channel procurement.
12-DSBGA package — layout notes
Housed in a 12-bump DSBGA (12-UFBGA) package, this is a fine-pitch wafer-level chip-scale package requiring careful PCB layout. The small 0.4 mm pitch bumps need a solder mask defined pad and a clean thermal path to the inner layers for heat spreading during flash pulses.