{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"BQ7790522PWR","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"BQ7790522PWR","canonicalUrl":"https://icboms.com/texas-instruments/BQ7790522PWR","factsUrl":"https://icboms.com/api/mcp/products/BQ7790522PWR","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments BQ7790522PWR battery protection IC, 3-5 cell Li-Ion, overcurrent/over/under voltage/short circuit/overtemperature fault protection, 20-TSSOP package, surface mount, -40°C to 85°C.","salesMarkdown":"## 3-5 cell Li-ion protection in a 20-TSSOP footprint The BQ7790522PWR is a battery protection IC from Texas Instruments designed for 3 to 5 series-connected lithium-ion cells. It integrates overcurrent, over/under voltage, short circuit, and overtemperature fault protection into a single 20-TSSOP package. Operating across -40°C to 85°C, this part suits portable power tools, e-bike battery packs, energy storage systems, and other multi-cell Li-ion applications where a dedicated protection controller is required to meet safety standards. ## What the fault-protection set means for your BOM The overcurrent and short-circuit detection thresholds are set internally — the part latches off when a fault is detected, and the recovery behavior depends on the specific variant's timing. The over/under voltage protection monitors each cell independently, which is critical for preventing cell imbalance damage in a 3-5 series stack. The overtemperature protection uses an internal sensor, so the IC's own die temperature is the trip point — not the cell temperature. If the application sees high ambient heat from nearby power FETs, a separate NTC on the pack may still be needed for cell-level thermal monitoring. ## Active production — no last-time-buy pressure ROHS3 compliant per the lifecycle entry, so it passes EU material restrictions without an exemption. For a BOM line that needs a multi-cell Li-ion protector, this part is still a valid design-in choice — no migration planning required yet. ## Package and supply-chain note The 20-TSSOP package (4.40 mm body width) is a standard footprint for this pin count. Available in Tape & Reel for automated assembly or Cut Tape for prototyping — the reel quantity is set by TI's standard packaging, so confirm the MOQ at RFQ.","metaTitle":"BQ7790522PWR Battery Protection IC, 3-5 Cell Li-Ion","metaDescription":"BQ7790522PWR from Texas Instruments: 3-5 cell Li-ion battery protection IC with overcurrent, over/under voltage, short circuit, and overtemperature protection.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Discrete Semiconductors"],"specifications":{"Package":"Tape & Reel (TR); Cut Tape (CT)","Function":"Battery Protection","Mounting Type":"Surface Mount","Package / Case":"20-TSSOP (0.173\\\", 4.40mm Width)","Number of Cells":"3 ~ 5","lifecycle_stage":"eol_hot","Fault Protection":"Over Current, Over Temperature, Over/Under Voltage, Short Circuit","Battery Chemistry":"Lithium Ion","Operating Temperature":"-40°C ~ 85°C (TA)","Supplier Device Package":"20-TSSOP"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$1.72","priceTiers":[{"qty":1,"price":"$1.72000","currency":"USD"},{"qty":10,"price":"$1.53500","currency":"USD"},{"qty":25,"price":"$1.45720","currency":"USD"},{"qty":100,"price":"$1.19710","currency":"USD"},{"qty":250,"price":"$1.11900","currency":"USD"},{"qty":500,"price":"$0.98888","currency":"USD"},{"qty":1000,"price":"$0.78069","currency":"USD"},{"qty":2000,"price":"$0.73650","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/bfc27f8007f314769d2e2cab72bed549.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/BQ7790522PWR/alternatives.json"},"ai":{"faq":[{"question":"Will BQ7790522PWR drop into a board specified around BQ296217DSGT without rewiring?","answer":"No — the BQ296217DSGT is a 2-4 cell over-voltage-only protector in a different package (DSG). The BQ7790522PWR is a 3-5 cell part in a 20-TSSOP with a broader fault-protection set. They are not pin-compatible or functional drop-ins."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/BQ7790522PWR","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/BQ7790522PWR when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:49:49.435Z","lastPublished":"2026-08-11T15:49:49.435Z","indexable":true}}