{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"TPS40052PWPG4","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"TPS40052PWPG4","canonicalUrl":"https://icboms.com/texas-instruments/TPS40052PWPG4","factsUrl":"https://icboms.com/api/mcp/products/TPS40052PWPG4","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments TPS40052PWPG4, Buck PWM Controller, Step-Down Topology, 1 Output, Transistor Driver, 100kHz~1MHz, 10V~40V Supply, 94% Max Duty Cycle, Synchronous Rectifier, 16-TSSOP Exposed Pad, -40°C~85°C, Tube.","salesMarkdown":"## Buck controller for 24V industrial rails The Texas Instruments TPS40052PWPG4 is a single-phase synchronous buck PWM controller designed for step-down conversion from a 10V to 40V input rail. It drives an external transistor pair — high-side and low-side — and includes synchronous rectification to keep efficiency up in the 94% duty-cycle range. Typical applications include industrial power supplies, telecom line cards, and distributed bus regulators where the input comes from a 24V or 48V backplane. ## Package and rework — 16-HTSSOP with exposed pad The supplier device package is 16-HTSSOP. ## Control features and loop design The controller includes current limiting, an enable pin, frequency control, and a soft-start ramp. The soft-start reduces inrush during power-up, which matters when the load has bulk capacitance. The frequency control pin lets you synchronise the oscillator to an external clock — useful for noise-sensitive designs that need to place the switching harmonics outside a critical band. The output is a single transistor driver, positive configuration, so the high-side gate drive is bootstrapped from the switch node. It is not specified for automotive under-hood or extended-temperature military use — the 85°C ceiling is the limit for the controller itself, though the external MOSFETs may need a higher temperature rating depending on the thermal design.","metaTitle":"TPS40052PWPG4 Buck Controller, 100kHz–1MHz, 16-HTSSOP","metaDescription":"TI TPS40052PWPG4 step-down buck controller, 10V–40V supply, 94% duty cycle, synchronous rectification, 16-HTSSOP. Active, ROHS3.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Analog & Data Acquisition"],"specifications":{"Package":"Tube","Function":"Step-Down","Topology":"Buck","Clock Sync":"Yes","Output Type":"Transistor Driver","Mounting Type":"Surface Mount","Output Phases":"1","Package / Case":"16-TSSOP (0.173\\\", 4.40mm Width) Exposed Pad","lifecycle_stage":"eol_hot","Control Features":"Current Limit, Enable, Frequency Control, Soft Start","Duty Cycle (Max)":"94%","Number of Outputs":"1","Output Configuration":"Positive","Frequency - Switching":"100kHz ~ 1MHz","Operating Temperature":"-40°C ~ 85°C (TA)","Synchronous Rectifier":"Yes","Supplier Device Package":"16-HTSSOP","Voltage - Supply (Vcc/Vdd)":"10V ~ 40V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$2.64","priceTiers":[{"qty":114,"price":"$2.64000","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/44092ab2ad50855857a25f7e4b3c2dce.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/TPS40052PWPG4/alternatives.json"},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/TPS40052PWPG4","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/TPS40052PWPG4 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}}