TPA2025D1 Audio Amplifier

Texas Instruments' 2 W constant output class-D audio amplifier with adaptive boost (DC/DC) converter

Texas Instruments TPA2025D1 Audio Amplifier Texas Instruments' TPA2025D1 is a high efficiency Class-D audio power amplifier with battery tracking AGC technology and an integrated Class-G boost converter that enhances efficiency at low output power. It drives up to 1.9 W into an 8 Ω speaker (1% THD+N). With 85% typical efficiency, the TPA2025D1 helps extend battery life when playing audio.

The built-in boost converter generates a 5.75 V supply voltage for the Class-D amplifier. This provides a louder audio output than a stand-alone amplifier directly connected to the battery. The battery tracking AGC adjusts the Class-D gain to limit battery current at lower battery voltage.   TPA2025D1 Datasheet

  Features   Applications
  • Built-in enhanced battery tracking Automatic Gain Control (AGC)
  • 1.9 W into 8 Ω load from 3.6 V Supply (1% THD+N)
  • Integrated adaptive boost converter
  • Low quiescent current of 2 mA from 3.6 V
  • Cell phones
  • PDA and GPS
  • Portable electronics
  • Speakers

Buy Now
Texas Instruments
Part Number
Part Number
Packaging Voltage -
TPA2025D1YZGT 296-30353-2-ND Tape & Reel 2.5 V ~ 5.2 V 12-UFBGA, DSBGA TPA2025D1YZGT Datasheet
296-30353-1-ND Cut Tape
296-30353-6-ND Digi-Reel®

Evaluation Module
Texas Instruments
Part Number
Part Number
TPA2025D1EVM 296-30408-ND Evaluation Module for TPA2025D1 TPA2025D1EVM User's Guide