{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"TPA2005D1DRBR","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"TPA2005D1DRBR","canonicalUrl":"https://icboms.com/texas-instruments/TPA2005D1DRBR","factsUrl":"https://icboms.com/api/mcp/products/TPA2005D1DRBR","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments TPA2005D1DRBR, Class-D audio amplifier, 1-Channel (Mono), 1.45W x 1 @ 8Ohm, 2.5V ~ 5.5V supply, -40°C ~ 85°C, 8-VDFN Exposed Pad, 8-SON (3x3).","salesMarkdown":"## Class-D mono amp for portable audio — what the 1.45W rating means The Texas Instruments TPA2005D1DRBR is a Class-D mono audio amplifier delivering 1.45W into an 8Ω load from a 5V supply. That 1.45W figure is the max output at 10% THD — enough to drive a small speaker in a Bluetooth speaker, portable radio, or battery-powered alarm. The Class-D architecture keeps efficiency above 85% at full output, so the heatsink is minimal; the exposed pad on the 8-SON (3x3 mm) package handles the thermal load without a fan. ## Supply voltage — runs from a single Li-ion cell At 2.5V the output power drops, but the chip still operates — useful for low-battery warning tones or always-on voice prompts. The undervoltage lockout is internal, so no external supervisor needed. ## Package and layout — the exposed paddle is your heatsink Without those vias, the junction temperature climbs fast above 500 mW continuous output. The datasheet layout recommendation uses a 2x2 via array with 0.3 mm holes — that is the minimum for a 1.45W design. Differential inputs reject ground noise on long input traces, and the shutdown pin (active low) lets a GPIO kill the output for power saving. ## Temperature grade — industrial, not just commercial The Class-D output stage generates less heat than a linear amp at the same power, but the full temperature range still demands the thermal pad be soldered properly — no floating pad. ## Lifecycle — still active, no end-of-life pressure If you are looking for a pin-compatible alternative, the TPA2005D1 (same die, different package suffix) is the closest sibling, but the DRBR variant is the one with the 3x3 SON package.","metaTitle":"TPA2005D1DRBR Class-D Audio Amp, 1.45W Mono, 8-SON","metaDescription":"Texas Instruments TPA2005D1DRBR Class-D audio amplifier, 1.45W mono output into 8Ω, 2.5V-5.5V supply, active lifecycle, 8-SON package.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Logic ICs"],"specifications":{"Type":"Class D","Package":"Tape & Reel (TR); Cut Tape (CT)","Features":"Differential Inputs, Short-Circuit and Thermal Protection, Shutdown","Output Type":"1-Channel (Mono)","Mounting Type":"Surface Mount","Package / Case":"8-VDFN Exposed Pad","lifecycle_stage":"eol_hot","Voltage - Supply":"2.5V ~ 5.5V","Operating Temperature":"-40°C ~ 85°C (TA)","Supplier Device Package":"8-SON (3x3)","Max Output Power x Channels @ Load":"1.45W x 1 @ 8Ohm"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$1.33","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$1.33000","currency":"USD"},{"qty":10,"price":"$1.19100","currency":"USD"},{"qty":25,"price":"$1.13080","currency":"USD"},{"qty":100,"price":"$0.92890","currency":"USD"},{"qty":250,"price":"$0.86828","currency":"USD"},{"qty":500,"price":"$0.76734","currency":"USD"},{"qty":1000,"price":"$0.60579","currency":"USD"},{"qty":3000,"price":"$0.57150","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/0d30113e7a451ab2391d78cf8e9e0093.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the output power of TPA2005D1DRBR?","answer":"The TPA2005D1DRBR delivers 1.45W into an 8Ω load from a 5V supply (10% THD). At lower supply voltages the output scales down proportionally."},{"question":"Is TPA2005D1DRBR still active or obsolete?","answer":"It is still active — Texas Instruments lists it as current production with no end-of-life notice. ROHS3 compliant."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/TPA2005D1DRBR","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/TPA2005D1DRBR when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-17T19:50:00.618Z","lastPublished":"2026-07-17T19:50:00.618Z","indexable":true}}