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TPA3128D2, TPA3129D2
SLOS941C – M...
Description
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TPA3128D2, TPA3129D2
SLOS941C – MAY 2016 – REVISED JANUARY 2018
TPA3128D2, TPA3129D2 2x30-W, 2x15-W Class-D Amplifier With Low Idle Power Dissipation
1 Features
1 Supports Multiple Output Configurations – 2 × 30 W Into a 8-Ω BTL Load at 24 V (TPA3128D2) – 2 × 15 W Into a 8-Ω BTL Load at 15 V (TPA3129D2)
Wide Voltage Range: 4.5 V to 26 V Efficient Class-D Operation
– Very Low Idle Current: <23 mA for recommended LC filter configurations
– Greater than 90% Power Efficiency Combined With Low Idle Loss Greatly Eliminates Need for Heat Sink
– Adaptive Modulation Schemes based on Output Power
– Smart Amplifier Drivers to Reduce the Requirement for RC Snubbers
Multiple Switching Frequencies – AM Avoidance – Master and Slave Synchronization – 300-KHz to 1.2-MHz Switching Frequency
Feedback Power-Stage Architecture With High PSRR Reduces PSU Requirements
Programmable Power Limit Parallel BTL Mode and Mono-Channel Mode
Support Supports Both Single and Dual Power Supply
Modes Integrated Self-Protection Circuits Including
Overvoltage, Undervoltage, Overtemperature, DCDetect, and Short Circuit With Error Reporting Thermally Enhanced Packages – DAP (32-Pin HTSSOP Pad Down for
TPA3128D2 and TPA3129D2)
2 Applications
Bluetooth/Wireless Speakers Soundbars Mini-Micro Component, Docks LCD/LED TVs Home Theaters
3 Description
The TPA3128D2 and TPA3129D2 have low idle power loss an...
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