# Buck Boost Converter 3.3V 500mA ## Description A Buck booster that can be powered from Li-on battery ans output 3.3V @ 500mA. Powered by the TPS63051YFFR and in the same package as a standard Adafruit buck converter. Input voltage range : 2.5V to 5.5V ## Project Details - **Owner:** diegeau - **Created:** 9/19/2025 - **Last Updated:** 9/19/2025 - **Visibility:** Public ## Key Components ### H1 — [MountingHole 2.5mm Pad](https://www.flux.ai/adrian95/mountinghole-25mm-pad~u8w.md) - Manufacturer Part Number: MountingHole_Pad **Pins:** - 1 ### J1 — [Pin Header 01x04 2.54mm Vertical](https://www.flux.ai/adrian95/pin-header-01x04-254mm-vertical~l97.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] - Pin_4 [pin 4] ### U1 — [TPS63051YFFR](https://www.flux.ai/markwuflux/tps63051yffr~hz.md) - Datasheet URL: https://www.ti.com/lit/ds/symlink/tps63050.pdf?HQS=dis-mous-null-mousermode-dsf-pf-null-wwe&ts=1696455309239&ref_url=https%253A%252F%252Fwww.mouser.com%252F - Manufacturer Name: Texas Instruments - Manufacturer Part Number: TPS63051YFFR **Pins:** - EN [pin A3] - FB [pin D2] - GND [pin B1] - ILIM0 [pin B2] - ILIM1 [pin B3] - L1 [pin A1] - L2 [pin C1] - PFM/PWM [pin C2] - PG [pin C3] - SS [pin D3] - VIN [pin A2] - VOUT [pin D1] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/diegeau/buck-boost-converter-3p3v-500ma~48](https://www.flux.ai/diegeau/buck-boost-converter-3p3v-500ma~48).* --- *Generated from [https://www.flux.ai/diegeau/buck-boost-converter-3p3v-500ma~48](https://www.flux.ai/diegeau/buck-boost-converter-3p3v-500ma~48)*