The TPA2015D1 is a high efficiency Class-D audio power amplifier from TI with battery-tracking SpeakerGuard™ AGC technology and an integrated adaptive boost converter that enhances efficiency at low output power. It drives up to 2 W into an 8 Ω speaker (6% THD). With 85% typical efficiency, the TPA2015D1 helps extend battery life when playing audio.
The TPA2015D1 is a high‑efficiency Class‑D audio power amplifier featuring built‑in SpeakerGuard™ automatic gain control, an adaptive boost converter, and three selectable gain settings. It delivers up to 2 W into an 8 Ω speaker while maintaining low quiescent current and high efficiency, making it suitable for battery‑powered portable electronics.
The device is offered in a compact 1.954 mm × 1.954 mm 16‑ball WCSP package and operates from 2.5 V to 5.2 V supply voltage. Detailed electrical, thermal, and mechanical specifications are provided, along with pin‑out and ordering information.
| Typical Efficiency | 85 % typical |
|---|---|
| Quiescent Current | 1.7 mA at 3.6 V |
| Supply Voltage Range | 2.5 V to 5.2 V |
| Gain Settings | 6 dB, 15.5 dB, 20 dB |
| Package | 1.954 mm × 1.954 mm 16‑ball WCSP |
| Junction‑to‑Ambient Thermal Resistance | 75 °C/W |
The quiescent current is 1.7 mA.
Three gain settings are provided: 6 dB, 15.5 dB, and 20 dB.
It operates from 2.5 V up to 5.2 V.