{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"BQ24721RHBRG4","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"BQ24721RHBRG4","canonicalUrl":"https://icboms.com/texas-instruments/BQ24721RHBRG4","factsUrl":"https://icboms.com/api/mcp/products/BQ24721RHBRG4","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments BQ24721RHBRG4, Multi-Chemistry Battery Charger IC, 3–4 Cells, I²C Interface, 19.2V Max Pack Voltage, 24V Supply Max, 32-VFQFN Exposed Pad, -40°C to 85°C.","salesMarkdown":"## Multi-chemistry charger for 3–4 series cells The BQ24721RHBRG4 is a multi-chemistry battery charger IC from Texas Instruments designed for 3 to 4 series cells, supporting a maximum battery pack voltage of 19.2V. It communicates over an I²C interface, allowing the system to program charge current dynamically. The BQ24721RHBRG4 is listed as obsolete by Texas Instruments. No official successor or pin-compatible replacement is recorded on this line. ## I²C programmability and package details The charger IC is programmable via I²C for charge current, and it accepts a supply voltage up to 24V. It is housed in a 32-VFQFN Exposed Pad package (5x5 mm, supplier device package 32-VQFN), surface-mount, supplied in Tape & Reel.","metaTitle":"BQ24721RHBRG4 Battery Charger IC, 3–4 Cell, I²C, Obsolete","metaDescription":"BQ24721RHBRG4 multi-chemistry battery charger IC for 3–4 series cells, I²C programmable, 19.2V max pack voltage, -40°C to 85°C. Request quote.","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":"What is the replacement for BQ24721RHBRG4?","answer":"No official replacement or successor is recorded for the BQ24721RHBRG4 on this line. For a pin-compatible alternative, review TI's current battery charger portfolio with I²C control for 3–4 series cells; the BQ24721 base product number may have a newer variant, but no specific order code is listed as a direct drop-in."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/BQ24721RHBRG4","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/BQ24721RHBRG4 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}}