{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"BQ24745RHDT","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"BQ24745RHDT","canonicalUrl":"https://icboms.com/texas-instruments/BQ24745RHDT","factsUrl":"https://icboms.com/api/mcp/products/BQ24745RHDT","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments BQ24745RHDT, multi-chemistry battery charger IC, I²C interface, 2-4 cells, 8.064A max charge current, 24V max supply, -40°C to 125°C junction temp, 28-VFQFN Exposed Pad package.","salesMarkdown":"## Multi-chemistry charger with I²C control The Texas Instruments BQ24745RHDT is a multi-chemistry battery charger controller supporting 2 to 4 series cells with a programmable constant-current charge up to 8.064 A. Communication with the host is over an I²C interface, allowing register-based configuration of charge parameters, status monitoring, and fault detection. The device integrates over-voltage fault protection and operates from a maximum supply of 24 V, making it suitable for notebook and portable equipment battery management. ## Charge current and thermal design The maximum charge current of 8.064 A is set via an external sense resistor and programmed through the I²C register — the actual current limit is the lower of the register value and the resistor's physical limit. ## NRND lifecycle — plan for a replacement For new designs, review the current TI battery charger portfolio for a drop-in or functionally equivalent alternative.","metaTitle":"TI BQ24745RHDT Battery Charger IC, 2-4 Cell, 8.064A, I²C","metaDescription":"Texas Instruments BQ24745RHDT multi-chemistry battery charger IC with I²C interface, 8.064A max charge current, 2-4 cell support, -40°C to 125°C.","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":"28-VFQFN Exposed Pad","Product Status":"Not For New Designs","Number of Cells":"2 ~ 4","lifecycle_stage":"eol_hot","Fault Protection":"Over Voltage","Battery Chemistry":"Multi-Chemistry","Current - Charging":"Constant - Programmable","Base Product Number":"BQ24745","Battery Pack Voltage":"19.2V (Max)","Charge Current - Max":"8.064A","Operating Temperature":"-40°C~125°C(TJ)","Programmable Features":"-","Voltage - Supply (Max)":"24V","Supplier Device Package":"28-VQFN (5x5)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$6.5196","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/0767df8d761373e67507790b4ea25ace.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the maximum charge current of BQ24745RHDT?","answer":"The maximum programmable charge current is 8.064 A, set via an external sense resistor and I²C register."},{"question":"What battery chemistries does BQ24745RHDT support?","answer":"It supports multi-chemistry battery packs, including Li-ion, Li-polymer, and other chemistries compatible with the 2-4 cell series configuration and 19.2 V max pack voltage."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/BQ24745RHDT","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/BQ24745RHDT 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}}