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Texas Instruments LM25122-Q1 | Demoboard PMP11769
700W Automotive External Audio Amplifier Reference Design
Overview
| Topology | Boost Converter |
| Input voltage | 6-16 V |
| Output 1 | 36 V / 10 A |
| IC revision | C |
Description
The PMP11769 reference design is a complete solution for a 700W automotive external amp. The boost converter provides 36.0V @ 10.0A continuous / 20.0A peak from an input voltage of 9-16V. It contains two premium Class-D audio amplifiers, which provide 2x 175W @ 4-Ω load (left & right channel) and 1x 350W @ 2-Ω (subwoofer).The design is well suited for car audio external amp applications due to its thin profile and high power output.
Features
- Easily integrated into automotive systems with 50V load dump and integrated protection system
- Ultra-HD audio for best quality sound for any integrated Class-D amplifier
- 100kHz bandwidth, which enables support for high resolution audio files and formats
- Low noise, which eliminates the "hiss" or "buzz" sounds
Typical applications
- Aftermarket audio amplifier / Automotive external amplifier / Virtual engine sound system (VESS) / Welding machine
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | λDom typ.(nm) | Emitting Color | λPeak typ.(nm) | IV typ.(mcd) | VF typ.(V) | Chip Technology | 2θ50% typ.(°) | H(mm) | Operation Force(g) | Electrical Life(Cycles) | Actuator Color | Washable | Vaporphase process | Pins | Type | Mount | L(mm) | IR(mA) | Working Voltage(V (AC)) | Operating Temperature | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WL-SMCW SMT Mono-color Chip LED Waterclear, 525 nm, Green | Downloads27 files RAY files
| Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWL-SMCW SMT Mono-color Chip LED Waterclear | Dominant Wavelength [typ.]525 nm | Emitting ColorGreen | Peak Wavelength [typ.]515 nm | Luminous Intensity [typ.]430 mcd | Forward Voltage [typ.]3.2 V | Chip TechnologyInGaN | Viewing Angle Phi 0° [typ.]140 ° | Height0.7 mm | – | – | – | – | – | – | – | MountSMT | Length1.6 mm | – | – | Operating Temperature -40 °C up to +85 °C | |||
 | WS-TATU THT Tact Switch 6x6 mm Right Angled Type with ground terminal, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | – | – | – | – | – | – | – | Height3.85 mm | Operation Force160 g | Electrical Life200000 Cycles | Actuator ColorBlack | WashableNo | Vaporphase processnot specified | – | – | – | – | Rated Current50 mA | – | Operating Temperature -40 °C up to +85 °C | ||||
 | WR-PHD Pin Header - Single, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | – | – | – | – | – | – | – | – | – | – | – | – | – | Pins2 | TypeStraight | MountTHT | Length5.08 mm | Rated Current3000 mA | Working Voltage250 V (AC) | Operating Temperature -40 °C up to +105 °C | |||
 | WR-PHD Pin Header - Single, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | – | – | – | – | – | – | – | – | – | – | – | – | – | Pins3 | TypeStraight | MountTHT | Length7.62 mm | Rated Current3000 mA | Working Voltage250 V (AC) | Operating Temperature -40 °C up to +105 °C |