{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"BQ24751RHDT","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"BQ24751RHDT","canonicalUrl":"https://icboms.com/texas-instruments/BQ24751RHDT","factsUrl":"https://icboms.com/api/mcp/products/BQ24751RHDT","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments BQ24751RHDT multi-chemistry battery charger IC, 28-VFQFN Exposed Pad, 2-4 cells, 10A max charge current, constant-programmable, over-current/over-voltage protection, -55°C to 125°C.","salesMarkdown":"## 10A multi-chemistry charger in a 5x5 mm QFN The BQ24751RHDT is a multi-chemistry battery charger IC from Texas Instruments, supporting 2 to 4 series cells with a programmable constant-current charge up to 10 A max. The IC integrates over-current and over-voltage fault protection, so a single-device charge controller handles the safety loop without an external supervisor. The battery pack voltage ceiling is 18.048 V max, which aligns with a 4-cell Li-ion stack at full charge (4.2 V/cell × 4 = 16.8 V, plus headroom for the charger regulation). ## NRND — sourcing through independent channels Texas Instruments has marked the BQ24751RHDT as NRND (Not Recommended for New Designs). This means the device is still available for existing production but is not intended for new board spins. For BOM lines already qualified to this part, independent distribution carries stock from authorized overruns and surplus lots. The date-code and marking consistency should be verified at receipt — the laser-etched TI logo and date-code font on the 28-VFQFN package is a known authenticity marker. Quoted to order against the RFQ; availability confirmed at quote time. ## Temperature range and board integration This covers engine-bay electronics, outdoor telecom cabinets, and any application where the ambient near the charger can exceed 85°C. The junction-to-ambient thermal resistance of the 28-VFQFN with the exposed pad soldered to a 2 oz copper plane is typically around 30-35°C/W — at 10 A charge current with a 0.5 V drop across the internal FETs (5 W dissipation), the junction rises about 150-175°C above ambient, so the die will hit the 125°C limit quickly unless the charge current is thermally derated or the duty cycle is low. Surface-mount assembly on a 28-VFQFN with a 0.50 mm pitch requires a solder-paste stencil aperture of 80-90% of the pad area to avoid bridging. The exposed paddle must be connected to the system ground plane with at least 9 thermal vias (0.30 mm drill, 0.60 mm pad) to keep the thermal impedance below 10°C/W from the paddle to the inner-layer copper.","metaTitle":"BQ24751RHDT Texas Instruments Battery Charger IC, 10A NRND","metaDescription":"BQ24751RHDT TI battery charger IC, 2-4 cells, 10A max charge current, -55°C to 125°C. NRND — sourced to order through independent distribution.","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)","Interface":"-","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 Current, Over Voltage","Battery Chemistry":"Multi-Chemistry","Current - Charging":"Constant - Programmable","Base Product Number":"BQ24751","Battery Pack Voltage":"18.048V (Max)","Charge Current - Max":"10A","Operating Temperature":"-55°C~125°C(TJ)","Programmable Features":"-","Voltage - Supply (Max)":"24V","Supplier Device Package":"28-VQFN (5x5)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$6.1646","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/6fa1b90efc3faa7e72b00cfe6f33e135.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/BQ24751RHDT/alternatives.json"},"ai":{"faq":[{"question":"What is the maximum charge current for BQ24751RHDT?","answer":"The charge current is constant-programmable with a maximum of 10 A. The actual current limit is set by an external sense resistor and the ISET programming pin. At 10 A continuous, the thermal design of the PCB around the 28-VFQFN package is critical to stay within the 125°C junction temperature limit."},{"question":"What battery chemistries and cell counts does BQ24751RHDT support?","answer":"It supports multi-chemistry (Li-ion, Li-Polymer, LiFePO4, etc.) with 2 to 4 series cells. The battery pack voltage maximum is 18.048 V, which covers 4-cell Li-ion at full charge plus regulation headroom."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/BQ24751RHDT","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/BQ24751RHDT when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-21T03:19:02.121Z","lastPublished":"2026-07-21T03:19:02.121Z","indexable":true}}