# Buck Boost Converter 3.3V 500mA ## Description A buck boost converter that can be powered from a Li-Ion battery and output 3.3V @ 500mA. Powered by the TPS63051YFFR and in the same package as a standard Adafriut buck converter. Input Voltage Range: 2.5V to 5.5V ## Project Details - **Owner:** jephevans - **Created:** 7/25/2024 - **Last Updated:** 8/28/2025 - **Visibility:** Public ## Key Components ### U1 — [TPS63051YFFR](https://www.flux.ai/adrian95/tps63051yffr~d7.md) - Manufacturer Part Number: TPS63051YFFR - Part Type: Integrated Circuit - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.ti.com/lit/ds/symlink/tps63050.pdf - Manufacturer Name: Texas Instruments **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/jephevans/buck-boost-converter-3p3v-500ma~g2](https://www.flux.ai/jephevans/buck-boost-converter-3p3v-500ma~g2).* --- *Generated from [https://www.flux.ai/jephevans/buck-boost-converter-3p3v-500ma~g2](https://www.flux.ai/jephevans/buck-boost-converter-3p3v-500ma~g2)*