{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"BQ24166RGER","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"BQ24166RGER","canonicalUrl":"https://icboms.com/texas-instruments/BQ24166RGER","factsUrl":"https://icboms.com/api/mcp/products/BQ24166RGER","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments BQ24166RGER, Power Management (PMIC / Gate Driver), single-cell Li-Ion battery charger, USB interface, 2.5 A max charge current, 24-VFQFN Exposed Pad package, Active lifecycle.","salesMarkdown":"## 2.5 A single-cell Li-Ion charger with USB interface The BQ24166RGER is a Texas Instruments single-cell Li-Ion battery charger designed for USB-powered or adapter-powered portable devices. It delivers a programmable constant charge current up to 2.5 A (cite:) from a supply voltage up to 10 V (cite:). The charger integrates over-temperature and short-circuit fault protection (cite:), reducing external component count for a compact charging solution.","metaTitle":"BQ24166RGER – TI USB Li-Ion Charger, 2.5 A, 24-VQFN, Active","metaDescription":"Texas Instruments BQ24166RGER single-cell Li-Ion charger with USB interface, 2.5 A max charge current, over-temp and short-circuit protection.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Power Management (PMIC / Gate Driver)"],"specifications":{"Mfr":"Texas Instruments","Series":"-","Package":"Tape & Reel (TR); Cut Tape (CT)","Interface":"USB","Mounting Type":"Surface Mount","Package / Case":"24-VFQFN Exposed Pad","Product Status":"Active","Number of Cells":"1","lifecycle_stage":"eol_hot","Fault Protection":"Over Temperature, Short Circuit","Battery Chemistry":"Lithium Ion","Current - Charging":"Constant - Programmable","Base Product Number":"BQ24166","Battery Pack Voltage":"3.7V","Charge Current - Max":"2.5A","Operating Temperature":"-40°C~85°C(TA)","Programmable Features":"-","Voltage - Supply (Max)":"10V","Supplier Device Package":"24-VQFN (4x4)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$5.5600","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/2bbd415d200f67d1d49ab5bb9ab994ae.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the maximum charge current of the BQ24166RGER?","answer":"The maximum programmable charge current is 2.5 A (cite:). The actual current is set by an external resistor; the 2.5 A ceiling is the upper limit of the constant-current regulation loop."},{"question":"Can the BQ24166RGER charge a 2-cell Li-Ion battery?","answer":"No. The BQ24166RGER is designed for a single-cell Li-Ion battery (cite:) with a nominal pack voltage of 3.7 V (cite:). A 2-cell stack would exceed the charger's voltage regulation range."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/BQ24166RGER","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/BQ24166RGER 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}}