TPA2012D2RTJR

Identity

• Manufacturer: TI(德州仪器)
• Model / MPN: TPA2012D2RTJR
• LCSC: C7717
• Category: audio-amplifier
• Description: 2.1W stereo Class D audio power amplifier, 2.5V~5.5V, 2.1Wx2@4Ω, THD+N 0.11%, 9mA Iq, PSRR 77dB, 2 pairs differential inputs.
• Source: EasyEDA/JLC verified common component seed
• Project designators: Not project-specific
• Project quantity per board: Not project-specific

Capabilities

• Not captured yet.

Package And Footprint

• Package / footprint name: QFN-20-EP(4x4)
• Pin count: 20
• EasyEDA symbol UUID: 316d82fd8ebd4b2a9efbbc945bde74d7
• EasyEDA footprint UUID: bb202348a2a843019993ab684a733f1f
• EasyEDA device UUID: 94a8c337e51b4cc48ceb3a9ea07b7aaf
• EasyEDA library UUID: 0819f05c4eef4c71ace90d822a990e87

Power And Operating Modes

• Active current: Not characterized in seed; extract active current from datasheet tables.
• Sleep / standby current: Not characterized in seed; extract sleep/standby current from datasheet tables.
• Supply rails: EasyEDA property: 2.5V~5.5V.
• Notes: Seed values are search hints only. Verify power modes, rail limits, startup requirements, and reference design passives from the datasheet.

Procurement Classification

• JLC class: Extended Part
• JLC note / assembly basis: EasyEDA/JLC verified common HMI, display, audio, touch, and haptic seed
• Assembly status: jlc_extended
• Price-break table: Not captured in seed. Store only timestamped price-break snapshots when intentionally refreshed.
• Live stock: intentionally not stored as durable selection data; refresh externally before ordering.

Datasheet And Links

• Datasheet / product URL: https://www.ti.com/cn/lit/gpn/tpa2012d2
• Product URL: https://www.ti.com/cn/lit/gpn/tpa2012d2
• Datasheet-derived notes: Not extracted yet. Use PDF extraction to fill power modes, absolute maximums, pin functions, package variants, and reference design requirements.

Selection Notes

• Good for: audible alerts, speaker outputs, voice prompts, simple playback, and enclosure-mounted sound feedback
• Avoid when: Not captured yet.
• Known layout constraints: Verify package land pattern, decoupling requirements, thermal pad, RF keepouts, crystal routing, and boot straps from the datasheet.
• Equivalent search hints: match category audio-amplifier, interfaces none captured, package QFN-20-EP(4x4), and EasyEDA footprint UUID bb202348a2a843019993ab684a733f1f.

Search Keywords

seed:common-hmi-display-audio, source:easyeda-bridge, iot, common-pcb, hmi, display, audio, tpa2012, class-d, stereo, 2.1w, qfn, audio-amplifier, qfn-20-ep-4x4, jlc-extended, jlc_extended, jlc-note:easyeda-jlc-verified-common-hmi-display-audio-touch-and-haptic-seed, power