# Buck Boost Converter 3.3V 500mA ## Description A buck boost converter that can ben powered from a Li-ion battery and output 3.3V @ 500mA. Powered by the TP63051YFFR and in the package as in the same package as a standard Adafruit buck converter. Input Voltage Range: 2.5V to 5.5V ## Project Details - **Owner:** tubbs - **Created:** 3/16/2025 - **Last Updated:** 3/16/2025 - **Visibility:** Public ## Key Components ### U1 — [TPS63051YFFR](https://www.flux.ai/markwuflux/tps63051yffr~hz.md) - Manufacturer Part Number: TPS63051YFFR - Manufacturer Name: Texas Instruments - 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 **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] ### U2 — [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 Part Number: TPS63051YFFR - 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] ### U3 — [TPS63051YFFR](https://www.flux.ai/markwuflux/tps63051yffr~hz.md) - Manufacturer Part Number: TPS63051YFFR - 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 **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/tubbs/buck-boost-converter-3p3v-500ma~n3](https://www.flux.ai/tubbs/buck-boost-converter-3p3v-500ma~n3).* --- *Generated from [https://www.flux.ai/tubbs/buck-boost-converter-3p3v-500ma~n3](https://www.flux.ai/tubbs/buck-boost-converter-3p3v-500ma~n3)*