{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"BQ24721RHBR","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"BQ24721RHBR","canonicalUrl":"https://icboms.com/texas-instruments/BQ24721RHBR","factsUrl":"https://icboms.com/api/mcp/products/BQ24721RHBR","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments BQ24721RHBR multi-chemistry battery charger IC, I²C interface, 3-4 cells, 19.2V max pack voltage, overcurrent protection, 32-VQFN (5x5) package, -40°C to 85°C.","salesMarkdown":"## Multi-chemistry charger with I²C control The Texas Instruments BQ24721RHBR is a multi-chemistry battery charger IC designed for 3 to 4 series cells, with a maximum battery pack voltage of 19.2V. Communication and programming are handled through an I²C interface, allowing the host to set charge current and monitor status. Integrated overcurrent fault protection guards the battery and system during charge cycles. ## Obsolete — plan your BOM move The BQ24721RHBR carries an Obsolete lifecycle status, meaning Texas Instruments has discontinued production and no further factory orders are accepted. ## Package and temperature range The supply voltage can go up to 24V, covering the input range needed for most notebook and portable equipment battery chargers.","metaTitle":"BQ24721RHBR Multi-Chemistry Battery Charger, I²C, 19.2V Max","metaDescription":"Texas Instruments BQ24721RHBR multi-chemistry battery charger IC with I²C interface, 3-4 cells, 19.2V max pack voltage.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","categoryPath":["Power Management (PMIC / Gate Driver)"],"specifications":{"Mfr":"Texas Instruments","Series":"-","Package":"Tape & Reel (TR)","Interface":"I²C","Mounting Type":"Surface Mount","Package / Case":"32-VFQFN Exposed Pad","Product Status":"Obsolete","Number of Cells":"3 ~ 4","lifecycle_stage":"eol_hot","Fault Protection":"Over Current","Battery Chemistry":"Multi-Chemistry","Current - Charging":"-","Base Product Number":"BQ24721","Battery Pack Voltage":"19.2V (Max)","Charge Current - Max":"-","Operating Temperature":"-40°C~85°C(TA)","Programmable Features":"Current","Voltage - Supply (Max)":"24V","Supplier Device Package":"32-VQFN (5x5)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$4.0000","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/c47328f8e03d9b53aa4a25f20ed4af3e.pdf","sourceUrl":null},"ai":{"faq":[{"question":"Is BQ24721RHBR obsolete?","answer":"Yes, the BQ24721RHBR is listed as Obsolete by Texas Instruments. No further factory orders are accepted."},{"question":"Does BQ24721RHBR work with 4S battery packs?","answer":"Yes, the BQ24721RHBR supports 3 to 4 series cells and a maximum pack voltage of 19.2V, which covers a 4S lithium-ion configuration (nominal 14.8V, full charge ~16.8V)."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/BQ24721RHBR","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/BQ24721RHBR 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}}