TPA2015D1, high efficiency Class-D audio power amplifier with battery-tracking SpeakerGuard AGC technology and an integrated adaptive boost converter
2 W Constant Output Power Class-D Audio Amplifier With Adaptive Boost Converter and Battery Tracking SpeakerGuard™ AGC
TI’s TPA2015D1 2-W mono Class-D amplifier is an integrated solution that delivers louder audio while simultaneously reducing component count, cost and solution size by 9x, compared to competitive devices.
It delivers 36% louder audio across the entire Li-Ion battery range. It’s also highly efficient, allowing more than 2x the battery life of the nearest competitor amplifier.
The TPA2015D1 is the industry’s first audio amp to feature battery monitoring automatic gain control (AGC) and SpeakerGuard technology to prevent early shutdown at low battery voltages.
Key Features:
- Built-In SpeakerGuardTM Automatic Gain Control (AGC) with Enhanced Battery Tracking
– Limits Battery Current Consumption
– Prevents Audio Clipping - 2 W into 8 Ω Load From 3.6 V Supply (6% THD)
- Integrated Adaptive Boost Converter
– Increases Efficiency at Low Output Power - Low Quiescent Current of 1.7 mA from 3.6 V
- Operates From 2.5 V to 5.2 V
- Thermal and Short-Circuit Protection with Auto Recovery
- Three Gain Settings: 6 dB, 15.5 dB, and 20 dB
- Independent Control for Boost and Class-D
- Pin-to-Pin Compatible with TPA2013D1
- Available in 1.954 mm × 1.954 mm 16-ball WCSP Package
Applications:
- Cell Phones, PDA, GPS
- Portable Electronics and Speakers
Diagram:
Source: Texas Instruments
