{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LP55231SQX/NOPB","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"LP55231SQX-NOPB","canonicalUrl":"https://icboms.com/texas-instruments/LP55231SQX-NOPB","factsUrl":"https://icboms.com/api/mcp/products/LP55231SQX%2FNOPB","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments LP55231SQX/NOPB DC-DC Regulator LED Driver, 9 outputs, 25.5mA per channel, PWM dimming, Switched Capacitor (Charge Pump) topology, 1.25MHz, 2.7V-5.5V supply, 24-WFQFN Exposed Pad, Tape & Reel.","salesMarkdown":"## 9-channel charge-pump LED driver for backlight The Texas Instruments LP55231SQX/NOPB is a DC-DC regulator-type LED driver using a switched-capacitor (charge pump) topology, delivering 25.5 mA per channel across 9 outputs with PWM dimming. The -30°C to 85°C ambient temperature grade fits indoor and portable backlight environments.","metaTitle":"Texas Instruments LP55231SQX/NOPB LED Driver, 9-Ch, 25.5mA","metaDescription":"Texas Instruments LP55231SQX/NOPB DC-DC regulator LED driver, 9 outputs, 25.5mA per channel, PWM dimming, charge pump topology, 2.7-5.5V supply, 24-WQFN.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Analog & Data Acquisition"],"specifications":{"Type":"DC DC Regulator","Dimming":"PWM","Package":"Tape & Reel (TR); Cut Tape (CT)","Topology":"Switched Capacitor (Charge Pump)","Frequency":"1.25MHz","Applications":"Backlight","Mounting Type":"Surface Mount","Package / Case":"24-WFQFN Exposed Pad","lifecycle_stage":"eol_hot","Number of Outputs":"9","Internal Switch(s)":"Yes","Operating Temperature":"-30°C ~ 85°C (TA)","Voltage - Supply (Max)":"5.5V","Voltage - Supply (Min)":"2.7V","Supplier Device Package":"24-WQFN (4x4)","Current - Output / Channel":"25.5mA"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$2.27","priceTiers":[{"qty":1,"price":"$2.27000","currency":"USD"},{"qty":10,"price":"$2.03900","currency":"USD"},{"qty":25,"price":"$1.92400","currency":"USD"},{"qty":100,"price":"$1.63920","currency":"USD"},{"qty":250,"price":"$1.53912","currency":"USD"},{"qty":500,"price":"$1.34672","currency":"USD"},{"qty":1000,"price":"$1.11586","currency":"USD"},{"qty":4500,"price":"$1.08900","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/fab6a2e2244974cdea0f699f7d719eba.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/LP55231SQX%2FNOPB/alternatives.json"},"ai":{"faq":[{"question":"What is the LP55231SQX/NOPB used for?","answer":"It is a 9-channel DC-DC regulator LED driver designed for backlight applications. The charge pump topology generates the LED drive voltage without an external inductor, and the 25.5 mA per channel output is suitable for small- to medium-sized LCD backlight arrays."},{"question":"Does the LP55231SQX/NOPB replace the TLC69611RTWR?","answer":"No. The TLC69611RTWR is a 16-channel linear LED driver with 60 mA per channel and no internal switch, while the LP55231SQX/NOPB is a 9-channel charge-pump regulator with 25.5 mA per channel. They are not pin-compatible and serve different topologies — a board redesign is required to swap between them."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/LP55231SQX-NOPB","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/LP55231SQX-NOPB 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}}