{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"TPA2028D1YZFR","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"TPA2028D1YZFR","canonicalUrl":"https://icboms.com/texas-instruments/TPA2028D1YZFR","factsUrl":"https://icboms.com/api/mcp/products/TPA2028D1YZFR","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments SmartGain™ Class D audio amplifier, TPA2028D1YZFR, mono 3W output at 4Ω, 9-DSBGA package, I²C control with DRC.","salesMarkdown":"## 3W mono Class D with digital control loop The Texas Instruments TPA2028D1YZFR is a SmartGain™ Class D audio amplifier delivering 3W into a 4Ω load from a single mono channel — enough for a portable speaker or alert tone driver where the battery rail is the limiting factor, not the speaker. ## I²C volume, DRC, and AGC — all on the same bus I²C control gives the host processor digital volume adjustment, dynamic range compression (DRC), and automatic gain control (AGC) over a single two-wire bus — no external potentiometers or analog-level shift resistors needed. The DRC and AGC loop keeps the output from clipping on loud transients while boosting quiet passages, which matters when the speaker is small and the enclosure resonance amplifies distortion — the amplifier compensates before the ear hears it. Differential inputs reject common-mode noise picked up on the audio traces between the codec and the amplifier — a real advantage when the PCB layout forces the analog signal path past a switching regulator or digital bus. ## 9-DSBGA — the footprint matters Housed in a 9-bump DSBGA (0.4mm pitch, 1.5mm x 1.5mm body), the TPA2028D1YZFR saves board area but demands a controlled solder-paste stencil and a reflow profile that matches the JEDEC MSL-1 moisture sensitivity — no bake required if unsealed within the floor-life window. Short-circuit and thermal protection are built in — the output stage shuts down before the die temperature exceeds the silicon limit, then auto-recovers when the junction cools. No external clamp diodes or PTC resettable fuse needed on the speaker output.","metaTitle":"TPA2028D1YZFR Texas Instruments Class D Amp, 3W x 1 @ 4Ω","metaDescription":"Texas Instruments TPA2028D1YZFR Class D audio amp, 3W mono output, I²C/DRC control, 2.5-5.5V supply, 9-DSBGA. Active production, ROHS3. Sourced to order.","metaKeywords":null},"attributes":{"series":"SmartGain™","packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Analog & Data Acquisition"],"specifications":{"Type":"Class D","Series":"SmartGain™","Package":"Tape & Reel (TR); Cut Tape (CT)","Features":"AGC, Differential Inputs, DRC, I²C, Short-Circuit and Thermal Protection, Shutdown, Volume Control","Output Type":"1-Channel (Mono)","Mounting Type":"Surface Mount","Package / Case":"9-UFBGA, DSBGA","lifecycle_stage":"eol_hot","Voltage - Supply":"2.5V ~ 5.5V","Operating Temperature":"-40°C ~ 85°C (TA)","Supplier Device Package":"9-DSBGA","Max Output Power x Channels @ Load":"3W x 1 @ 4Ohm"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$1.83","priceTiers":[{"qty":1,"price":"$1.83000","currency":"USD"},{"qty":10,"price":"$1.64300","currency":"USD"},{"qty":25,"price":"$1.55040","currency":"USD"},{"qty":100,"price":"$1.32080","currency":"USD"},{"qty":250,"price":"$1.24020","currency":"USD"},{"qty":500,"price":"$1.08518","currency":"USD"},{"qty":1000,"price":"$0.89914","currency":"USD"},{"qty":3000,"price":"$0.87750","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/85e856c0fcd29d35af0169a6ea646317.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/TPA2028D1YZFR/alternatives.json"},"ai":{"faq":[{"question":"Does the TPA2028D1YZFR have I²C control and DRC?","answer":"Yes — the TPA2028D1YZFR integrates I²C volume control, dynamic range compression (DRC), and automatic gain control (AGC) on the same bus. The host processor adjusts gain, compression ratio, and attack/release times over the two-wire interface without external analog components."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/TPA2028D1YZFR","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/TPA2028D1YZFR 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}}