{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"PCA9570GMH","brand":"NXP Semiconductors","brandSlug":"nxp","productSlug":"PCA9570GMH","canonicalUrl":"https://icboms.com/nxp/PCA9570GMH","factsUrl":"https://icboms.com/api/mcp/products/PCA9570GMH","rawCanonicalId":null},"summary":{"shortDescription":"NXP Semiconductors PCA9570GMH I2C/SMBus I/O expander, 4 I/O, push-pull outputs, 100 kHz, 1.1-3.6V supply, -40 to 85°C, 8-XFQFN (1.6x1.6 mm) exposed pad, Tape & Reel.","salesMarkdown":"## 4-bit I/O expansion with I²C bus The PCA9570GMH is a 4-bit general-purpose I/O expander from NXP that connects to the host controller via an I²C or SMBus serial interface running at 100 kHz. Each of the four I/O pins is configured as a push-pull output, so no external pull-up resistors are needed for the output side — the pin drives high or low directly. The POR (Power-On Reset) feature ensures the outputs power up in a known state — the I/O pins default to high-impedance until the host writes the configuration register. This avoids unintended glitches on the load during system power-up, which matters when the expander drives enable pins or relay coils that could trigger a false start. ## Package and board-fit for space-constrained designs The device is housed in an 8-lead XFQFN package with an exposed pad (8-XQFN, 1.6 x 1.6 mm body). The 4 mA source/sink current per I/O is enough to drive a logic-level load or a small LED directly, but not a relay coil without a buffer transistor. ## Active production and compliance status The part is ROHS3 compliant — no restricted substances above the threshold limits.","metaTitle":"NXP PCA9570GMH I2C I/O Expander, 4 I/O, 8-XQFN","metaDescription":"NXP PCA9570GMH I2C/SMBus I/O expander, 4 push-pull I/O, 100 kHz, 1.1-3.6V supply, -40 to 85°C, 8-XQFN. Active production, ROHS3. Sourced to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Discrete Semiconductors"],"specifications":{"Package":"Tape & Reel (TR); Cut Tape (CT)","Features":"POR","Interface":"I²C, SMBus","Output Type":"Push-Pull","Mounting Type":"Surface Mount","Number of I/O":"4","Package / Case":"8-XFQFN Exposed Pad","Clock Frequency":"100 kHz","lifecycle_stage":"eol_hot","Interrupt Output":"No","Voltage - Supply":"1.1V ~ 3.6V","Operating Temperature":"-40°C ~ 85°C","Supplier Device Package":"8-XQFN (1.6x1.6)","Current - Output Source/Sink":"4mA"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.8","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$0.80000","currency":"USD"},{"qty":10,"price":"$0.70800","currency":"USD"},{"qty":25,"price":"$0.66520","currency":"USD"},{"qty":100,"price":"$0.54300","currency":"USD"},{"qty":250,"price":"$0.50436","currency":"USD"},{"qty":500,"price":"$0.42924","currency":"USD"},{"qty":1000,"price":"$0.34340","currency":"USD"},{"qty":4000,"price":"$0.31121","currency":"USD"},{"qty":8000,"price":"$0.28974","currency":"USD"},{"qty":12000,"price":"$0.27901","currency":"USD"},{"qty":28000,"price":"$0.26828","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/bdc111eecb870c667792114c655920c3.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the I²C clock frequency and supply voltage range?","answer":"The I²C/SMBus interface operates at 100 kHz."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/nxp/PCA9570GMH","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/nxp/PCA9570GMH when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-22T19:45:10.375Z","lastPublished":"2026-07-22T19:45:10.375Z","indexable":true}}