Chip Hardware Design Guide

SF32LB52x Series

Chips with suffixes 0, 3, 5, and 7 belong to the SF32LB52x series. They are powered by lithium batteries and support USB charging.

Hardware Design Guide   Hardware Design Self-Checklist

SF32LB52X Series

Chips with the suffix letters B, E, G, and J belong to the SF32LB52X Series and use a 3.3V power supply. Chips with the suffix letter D belong to the SF32LB52X Series and use a 1.8V power supply.

Hardware Design Guide   Hardware Design Self-Checklist

SF32LB56xU Series

The suffix U indicates a QFN68L package.

Hardware Design Guide   Hardware Design Self-Checklist

SF32LB56xV Series

The suffix V indicates a BGA package with more pins.

Hardware Design Guide   Hardware Design Self-Checklist

SF32LB58x Series

Hardware Design Guide   Hardware Design Self-Checklist

SF32LB55x Series

Hardware Design Guide   Hardware Design Self-Checklist

SiFli Material Certification List

SIFLI-MCU-AVL Certification List

EDA Tool Library Files

JLC EDA Library  PADS Library  OrCAD Library  KiCad Library