{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"BQ29442DRBT","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"BQ29442DRBT","canonicalUrl":"https://icboms.com/texas-instruments/BQ29442DRBT","factsUrl":"https://icboms.com/api/mcp/products/BQ29442DRBT","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments BQ29442DRBT, Battery Protection IC, 2 ~ 4 Cell Li-Ion, Over Voltage Fault Protection, 8-VDFN Exposed Pad, 8-SON (3x3), -40°C to 110°C.","salesMarkdown":"## Cell-count flexibility for multi-series Li-Ion packs The BQ29442DRBT monitors 2 to 4 series-connected lithium-ion cells, triggering an output on over-voltage detection. This covers the common 7.4 V (2S) through 14.8 V (4S) nominal pack voltages used in power tools, portable medical gear, and battery-backed industrial instruments.","metaTitle":"BQ29442DRBT Battery Protection IC, 2-4 Cell Li-Ion, 8-SON","metaDescription":"Texas Instruments BQ29442DRBT battery protection IC for 2-4 cell Li-Ion packs. Over-voltage fault protection, -40 to 110°C range. Active, RoHS3 compliant.","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)","Function":"Battery Protection","Mounting Type":"Surface Mount","Package / Case":"8-VDFN Exposed Pad","Number of Cells":"2 ~ 4","lifecycle_stage":"eol_hot","Fault Protection":"Over Voltage","Battery Chemistry":"Lithium Ion","Operating Temperature":"-40°C ~ 110°C (TA)","Supplier Device Package":"8-SON (3x3)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$3.0","priceTiers":[{"qty":1,"price":"$3.00000","currency":"USD"},{"qty":10,"price":"$2.69200","currency":"USD"},{"qty":25,"price":"$2.54480","currency":"USD"},{"qty":100,"price":"$2.20550","currency":"USD"},{"qty":250,"price":"$2.09240","currency":"USD"},{"qty":500,"price":"$1.87750","currency":"USD"},{"qty":1250,"price":"$1.60050","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/bfac61e0dadb4b339fd9c7b855fd0c4c.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/BQ29442DRBT/alternatives.json"},"ai":{"faq":[{"question":"What battery chemistries and cell counts does the BQ29442DRBT support?","answer":"It supports 2 to 4 series lithium-ion cells and provides over-voltage fault protection."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/BQ29442DRBT","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/BQ29442DRBT when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:49:49.435Z","lastPublished":"2026-08-11T15:49:49.435Z","indexable":true}}