{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"STM32G431CBT3TR","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"STM32G431CBT3TR","canonicalUrl":"https://icboms.com/stmicroelectronics/STM32G431CBT3TR","factsUrl":"https://icboms.com/api/mcp/products/STM32G431CBT3TR","rawCanonicalId":null},"summary":{"shortDescription":"STMicroelectronics STM32G4 series, STM32G431CBT3TR, 32-bit ARM Cortex-M4 MCU, 170 MHz, 128 KB Flash, 32K x 8 RAM, 38 I/O, CANbus/I²C/SPI/UART, 1.71V–3.6V, -40°C to 125°C, 48-LQFP.","salesMarkdown":"## 170 MHz Cortex-M4 with FPU — what it buys the control loop The 128 KB on-chip Flash and 32 KB SRAM are sized for sensor fusion, digital power conversion, and field-oriented motor control firmware that needs deterministic interrupt response. ## Analog integration — 17 ADC channels, 4 DAC outputs Seventeen 12-bit SAR ADC channels and four 12-bit DAC outputs sit on the same die, which means a single-chip solution for three-phase current sensing plus a setpoint output in a motor drive or a multi-loop digital PSU. ## Temperature grade and package — industrial to under-hood The 48-LQFP (7x7 mm) package with 38 accessible I/O fits space-constrained PCBs where a 64-pin QFP would be overkill. ## Connectivity and peripheral set DMA offloads the CPU for peripheral-to-memory transfers, and the PWM timers with complementary outputs are built for half-bridge and H-bridge gate drive signals.","metaTitle":"STM32G431CBT3TR ARM Cortex-M4 MCU, 170 MHz, 128 KB Flash","metaDescription":"STM32G431CBT3TR is an STM32G4 series 32-bit ARM Cortex-M4 MCU running at 170 MHz with 128 KB Flash and 32 KB SRAM. Active lifecycle, -40°C to 125°C range.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Microcontrollers & Processors (MCU / MPU / DSP)"],"specifications":{"Mfr":"STMicroelectronics","Speed":"170MHz","Series":"STM32G4","Package":"Tape & Reel (TR)","RAM Size":"32K x 8","Core Size":"32-Bit","EEPROM Size":"-","Peripherals":"Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT","Connectivity":"CANbus, I²C, IrDA, LINbus, SPI, UART/USART","Mounting Type":"Surface Mount","Number of I/O":"38","Core Processor":"ARM® Cortex®-M4","Package / Case":"48-LQFP","Product Status":"Active","Data Converters":"A/D 17x12b SAR; D/A 4x12b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Program Memory Size":"128KB (128K x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C ~ 125°C (TA)","Supplier Device Package":"48-LQFP (7x7)","Voltage - Supply (Vcc/Vdd)":"1.71V ~ 3.6V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$3.5547","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/88082d99dc99f94106e4989f731259ef.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the closest pin-compatible alternative to STM32G431CBT3TR?","answer":"Within the STM32G4 series, the STM32G431CBT3 (non-tape-and-reel variant) is the same silicon in a different shipping medium — identical die, package, and firmware compatibility. The TR suffix indicates Tape & Reel packaging only."},{"question":"Can STM32G431CBT3TR replace STM32G431CBT3?","answer":"Yes, the STM32G431CBT3TR is the same device as the STM32G431CBT3; the TR suffix denotes Tape & Reel packaging for automated assembly lines. Electrical specifications, footprint, and firmware are identical."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/STM32G431CBT3TR","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/STM32G431CBT3TR when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-16T12:28:15.244Z","lastPublished":"2026-07-16T12:28:15.244Z","indexable":true}}