{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"BQ24151AYFFT","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"BQ24151AYFFT","canonicalUrl":"https://icboms.com/texas-instruments/BQ24151AYFFT","factsUrl":"https://icboms.com/api/mcp/products/BQ24151AYFFT","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments BQ24151AYFFT, single-cell Li-Ion/Polymer linear charger, I²C programmable, 1.25A max charge current, 4.44V max battery voltage, 20-DSBGA package, -40°C to 85°C operation.","salesMarkdown":"## NRND — plan your BOM transition The BQ24151AYFFT carries a Not Recommended for New Designs (NRND) status. That means TI has flagged it for eventual end-of-life — new production builds should qualify a replacement before the last-time-buy window closes. ## 1.25 A charge current, 4.44 V battery ceiling This is a single-cell Li-Ion/Polymer linear charger with a programmable constant-current charge up to 1.25 A and a maximum battery regulation voltage of 4.44 V. The charge current, termination timer, and voltage are all set over the I²C bus — no external resistors for current programming. The I²C interface lets the host controller adjust the charge profile on the fly — useful for charging different battery chemistries or implementing JEITA temperature-compensated charging without hardware changes. ## 20-DSBGA — small footprint, fine-pitch rework Not a hand-solderable part — plan for a stencil and a hot-air or reflow oven if you are prototyping. ## Fault protection and supply headroom Built-in over-temperature and over-voltage fault protection reduce external component count. Maximum supply voltage is 6 V — a 5 V USB rail or a regulated 5 V wall adapter is the typical input.","metaTitle":"BQ24151AYFFT Single-Cell Li-Ion Charger, I²C, 1.25A","metaDescription":"Texas Instruments BQ24151AYFFT single-cell Li-Ion/Polymer charger with I²C interface, max 1.25A charge current, 4.44V battery voltage.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"NRND","categoryPath":["Power Management (PMIC / Gate Driver)"],"specifications":{"Mfr":"Texas Instruments","Series":"-","Package":"Tape & Reel (TR); Cut Tape (CT)","Interface":"I²C","Mounting Type":"Surface Mount","Package / Case":"20-UFBGA, DSBGA","Product Status":"Not For New Designs","Number of Cells":"1","lifecycle_stage":"eol_hot","Fault Protection":"Over Temperature, Over Voltage","Battery Chemistry":"Lithium Ion/Polymer","Current - Charging":"Constant - Programmable","Base Product Number":"BQ24151","Battery Pack Voltage":"4.44V (Max)","Charge Current - Max":"1.25A","Operating Temperature":"-40°C~85°C(TA)","Programmable Features":"Current, Timer, Voltage","Voltage - Supply (Max)":"6V","Supplier Device Package":"20-DSBGA"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$4.8906","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/d31d1d6725fef3497310a4d985a91a29.pdf","sourceUrl":null},"ai":{"faq":[{"question":"Is BQ24151AYFFT obsolete or NRND?","answer":"Yes, the BQ24151AYFFT is listed as Not Recommended for New Designs (NRND). It is still available for existing production through independent distribution, but new designs should select a current-production alternative."},{"question":"What is the maximum charge current and battery voltage for BQ24151AYFFT?","answer":"Maximum charge current is 1.25 A, and the maximum battery regulation voltage is 4.44 V. Both are programmable via the I²C interface."},{"question":"Does BQ24151AYFFT support I²C communication?","answer":"Yes, the BQ24151AYFFT uses an I²C interface for programming charge current, termination timer, and battery voltage. The pinout is standard for the BQ2415x family — the datasheet provides the register map and protocol details."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/BQ24151AYFFT","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/BQ24151AYFFT when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-17T19:50:00.618Z","lastPublished":"2026-07-17T19:50:00.618Z","indexable":true}}