Texas Instruments SmartGain™ TPA2029D1YZFT, Class-D audio amplifier, mono 3W output into 4Ω, 2.5V–5.5V supply, 9-DSBGA package, -40°C to 85°C operating temperature.
| Parameter | Value |
|---|---|
| Type | Class D |
| Series | SmartGain™ |
| Output type | 1-Channel (Mono) |
| Mounting | Surface Mount |
| Supply voltage | 2.5V ~ 5.5V |
| Max output power x channels @ load | 3W x 1 @ 4Ohm |
| Operating temperature | -40°C ~ 85°C (TA) |
| Package | Tape & Reel (TR); Cut Tape (CT) |
| Features | AGC, Differential Inputs, DRC, Short-Circuit and Thermal Protection, Shutdown |
| Case | 9-UFBGA, DSBGA |
AGC and DRC are built in, so you avoid a separate compressor or limiter IC. Differential inputs reject common-mode noise from long audio traces. Short-circuit and thermal protection shut down the output under fault conditions — no external protection diode needed. The shutdown pin allows low-power standby when the audio channel is idle.
No end-of-life notices or last-time-buy windows are on record.
The TPA2029D1YZFT delivers 3W into a 4Ω load from a single mono channel.
No direct pin-compatible replacement or second-source alternate is listed in the available records. The SmartGain™ family includes other output-power variants, but pin compatibility should be verified against the specific datasheet.