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Infineon Technologies IRS2461S | Demoboard REF_IRS2461S_5KW
2.5kW x 2 channel Class D audio amplifier using IRS2461S
Overview
| Topology | Class D Audio Amplifier |
| IC revision | 1.0 |
Description
The REF_IRS2461S_5KW evaluation board is a two-channel, 2500W/ch (2Ω at ±103.5V) half-bridge Class D audio power amplifier for after market car audio or high-power audio system applications. This evaluation board demonstrates how to use the IRS2461S controller IC, implement protection circuits, and design an optimum PCB layout. This design can be scaled for a 1600W/ch (4Ω at ±120V) and instruction of doing so are included.
Features
- Output power: 2500W x 2 channel (1% THD+N)
- Multiple protection features
- Over-current protection (OCP), high side and low side FETs
- Over-voltage protection (OVP)
- Under-voltage protection (UVP)
- Over-temperature protection (OTP)
- PWM modulator
- Self-oscillating half bridge topology with optional clock synchronization
Typical applications
- Class D amplifier
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.(°) | C | Tol. C | VR(V (DC)) | Size | Qmin. | DF(%) | RISO | Ceramic Type | L(mm) | W(mm) | H(mm) | Fl(mm) | Packaging | Operating Temperature | Q(%) | Endurance(h) | IRIPPLE(mA) | Z(mΩ) | ILeak(µA) | Ø D(mm) | 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.]520 nm | Luminous Intensity [typ.]3000 mcd | Forward Voltage [typ.]3.3 V | Chip TechnologyInGaN | Viewing Angle Phi 0° [typ.]40 ° | – | – | – | Size0603 dome | – | – | – | – | Length1.6 mm | Width0.8 mm | Height0.95 mm | – | – | Operating Temperature -40 °C up to +85 °C | – | – | – | – | – | – | |||
 | WCAP-ASLL Aluminum Electrolytic Capacitors, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-ASLL Aluminum Electrolytic Capacitors | – | – | – | – | – | – | – | Capacitance100 µF | Capacitance±20% | Rated Voltage25 V (DC) | Size6.3 x 7.7 | – | Dissipation Factor14 % | Insulation Resistance1 MΩ | – | Length7.7 mm | Width6.6 mm | – | – | Packaging15" Tape & Reel | Operating Temperature -55 °C up to +105 °C | – | Endurance 2000 | Ripple Current300 mA | Impedance360 mΩ | Leakage Current25 µA | Diameter6.3 mm | ||||
| WCAP-CSGP MLCCs 50 V(DC), –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | – | – | – | – | – | – | – | Capacitance220 pF | Capacitance±5% | Rated Voltage50 V (DC) | Size0603 | – | – | Insulation Resistance10 GΩ | Ceramic TypeNP0 Class I | Length1.6 mm | Width0.8 mm | Height0.8 mm | Pad Dimension0.4 mm | Packaging7" Tape & Reel | Operating Temperature -55 °C up to +125 °C | Q-Factor1000 % | – | – | – | – | – | |||||
 | WCAP-CSMH Mid and High Voltage, –, – | Downloads8 files | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSMH Mid and High Voltage | – | – | – | – | – | – | – | Capacitance470 pF | Capacitance±5% | Rated Voltage250 V (DC) | Size0603 | Q-Factor [1]1000 | – | Insulation Resistance10 GΩ | Ceramic TypeNP0 Class I | Length1.6 mm | Width0.8 mm | Height0.8 mm | Pad Dimension0.4 mm | Packaging7" Tape & Reel | Operating Temperature -55 °C up to +125 °C | Q-Factor1000 % | – | – | – | – | – |