{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"UC3637DW","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"UC3637DW","canonicalUrl":"https://icboms.com/texas-instruments/UC3637DW","factsUrl":"https://icboms.com/api/mcp/products/UC3637DW","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments UC3637DW PWM motor controller, brushed DC, 2.5V-20V supply, 20-SOIC (0.295\", 7.50mm Width) surface-mount package, tube.","salesMarkdown":"## 20-SOIC package and board-fit The UC3637DW ships in a 20-SOIC package with a 7.50 mm body width (0.295\") and a 1.27 mm pitch. The 20-SOIC footprint is a standard JEDEC outline — the pad layout and stencil aperture for the SOIC-20 wide body are well-established in most PCB libraries, so no custom footprint work is needed. Supplied in tubes (the listed package form), the parts are tray- or tube-fed for pick-and-place. The 20-SOIC wide body has a seated height of roughly 2.65 mm, which fits within typical 1.6 mm board clearance envelopes. ## Brushed DC motor control — supply range and output stage The UC3637DW is a PWM controller for brushed DC motors, integrating commutation and direction management. Its output configuration is a pre-driver for four half-bridge stages — this means it drives external power FETs in an H-bridge topology, not the motor directly. The controller handles the logic and gate drive sequencing; the external FETs handle the motor current. The wide range lets the same part serve both low-voltage battery-powered actuators and higher-voltage industrial motor drives, as long as the external FETs are rated for the rail. The parallel interface means direction and PWM commands are set via logic-level pins — no serial bus, no protocol overhead. For a simple bidirectional motor, the control loop is just two GPIOs: one for direction, one for PWM duty cycle. ## Temperature grade and deployment context This limits the UC3637DW to indoor, climate-controlled environments: office equipment, bench-top instruments, lab automation, and consumer appliances. It is not specified for automotive under-hood or industrial enclosures without active cooling. The general-purpose application tag covers a broad set of brushed DC motor control tasks — pump drives, fan speed control, conveyor belt indexing, and robotic joint actuation where the ambient stays within the commercial band.","metaTitle":"Texas Instruments UC3637DW PWM Motor Controller, 20-SOIC","metaDescription":"UC3637DW brushed DC motor controller, 2.5V-20V supply, 20-SOIC package. Active production, ROHS3 compliant. Quoted to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Analog & Data Acquisition"],"specifications":{"Package":"Tube","Function":"Controller - Commutation, Direction Management","Interface":"Parallel","Applications":"General Purpose","Mounting Type":"Surface Mount","Package / Case":"20-SOIC (0.295\\\", 7.50mm Width)","lifecycle_stage":"eol_hot","Voltage - Supply":"2.5V ~ 20V","Motor Type - AC, DC":"Brushed DC","Output Configuration":"Pre-Driver - Half Bridge (4)","Operating Temperature":"0°C ~ 70°C (TA)","Supplier Device Package":"20-SOIC"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$10.16","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$10.16000","currency":"USD"},{"qty":10,"price":"$9.17800","currency":"USD"},{"qty":25,"price":"$8.75080","currency":"USD"},{"qty":100,"price":"$7.59810","currency":"USD"},{"qty":250,"price":"$7.25664","currency":"USD"},{"qty":500,"price":"$6.61636","currency":"USD"},{"qty":1000,"price":"$6.04050","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/42aaac68b764ef6746c22859a6fb5371.pdf","sourceUrl":null},"ai":{"faq":[{"question":"How can I order the UC3637DW or check stock?","answer":"Submit a request for a firm quote with your target volume."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/UC3637DW","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/UC3637DW 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}}