PowIRaudio™ integrated amplifiers

  • Products
  • Highlights
  • Documents
  • Boards
  • Simulation
  • Videos
  • Forums
  • Support
  • Software & Tools
  • myInfineon

High speed PWM amplifiers for audio amplifier, piezo driver and galvano motor

High speed piezo driver for inkjet printers and injectors, galvano motor drive used for laser processing and hifi audio amplifiers where good sound quality takes importance - for these applications a high speed PWM amplifier is required to enable high precision control. Infineon’s high speed PWM integrated amplifiers PowIRaudio™ enable high speed switching control up to 600kHz and offer the most appropriate solution for high speed piezo driver, galvano motor drive and audio amplifiers.

 

CoolMOS-power-mosfets-button-selection-table

 

Why PowIRaudio™?

  • Proven track record from more than 20 years of high voltage PWM technology
  • Highest efficiency and power density
  • Highest quality and reliability
  • High speed and high accuracy 

 

infineon-powiraudio-target-application-audio-amplifier-en   infineon-powiraudio-target-application-piezodriver-en    infineon-powiraudio-target-application-galvano-motor-en

Infineon-powiraudio-audio-amplifier-graph

>Click to enlarge

 

Infineon-powiraudio-piezodriver-graph

>Click to enlarge

Infineon-powiraudio-galvano-motor-graph

>Click to enlarge

   

Product OPN Product Status Order Online Packages Green Channels Output Power Package Supply Voltage Technology
Matching Results: 6                  
descending ascending           descending ascending descending ascending descending ascending descending ascending descending ascending
IR4302M  

IR4302MTRPBF

active and preferred

Buy online

QFN 7X7 44L

2.0
70W (4 Ohms) no Heatsink
130W (4 Ohms) Heatsink
PQFN 44 7x7mm
80.0 V
CMCM
IR4322M  

IR4322MTRPBF

active and preferred

Buy online

QFN 7X7 44L

2.0
50W (2 Ohms) no Heatsink
100W (2 Ohms) Heatsink
PQFN 44 7x7mm
60.0 V
CMCM
IR4311M  

IR4311MTRPBF

active and preferred

Buy online

PQFN-22L (5 X 6)

1.0
35W (4 Ohms) no Heatsink
35W (4 Ohms) Heatsink
PQFN 22 5x6mm
40.0 V
CMCM
IR4312M  

IR4312MTRPBF

active and preferred

Buy online

QFN 7X7 44L

2.0
35W (4 Ohms) Heatsink
35W (4 Ohms) no Heatsink
PQFN 44 7x7mm
40.0 V
CMCM
IR4321M  

IR4321MTRPBF

active and preferred

Buy online

PQFN-22L (5 X 6)

1.0
90W (2 Ohms) no Heatsink
135W (2 Ohms) Heatsink
PQFN 22 5x6mm
60.0 V
CMCM
IR4301M  

IR4301MTRPBF

active and preferred

Buy online

PQFN-22L (5 X 6)

1.0
130W (4 Ohms) no Heatsink
160W (4 Ohms) Heatsink
PQFN 22 5x6mm
80.0 V
CMCM

Evaluation Boards

Board Family Description Status
IRAUDAMP17 100 W x 2 channels, (THD=10%, 1kHz, 4 Ohms). 0.008% THD+N distortion @ 30W, 4 Ohms. Residual noise 220 µV, IHF-A weighted, AES-17 filter. 96% Efficiency @ 100W, 4 Ohms, Class-D Stage. OCP, OVP, UVP and OTP. Self-oscillating half-bridge topology. Featuring IR4302 PowIRaudio™ integrated Class D IC.
  • IR4302M
active and preferred
IRAUDAMP15 35 W x 2 channels, (THD=10%, 1kHz, 4 Ohms). 0.02% THD+N distortion @ 5W, 4 Ohms. Residual noise 250 µV, IHF-A weighted, AES-17 filter. 96% Efficiency @ 35W, 4 Ohms, Class-D Stage. OCP, OVP, UVP and OTP. Self-oscillating half-bridge topology. Featuring IR4311 PowIRaudio™ integrated Class D IC.
  • IR4311M
active and preferred
IRAUDAMP12 130 W x 2 channels, (THD=10%, 1kHz, 4 Ohms). 0.02% THD+N distortion @ 50W, 4 Ohms. Residual noise 250 µV, IHF-A weighted, AES-17 filter. 96% Efficiency @ 130W, 4 Ohms, Class-D Stage. OCP, OVP, UVP,DC protection and OTP. Self-oscillating half-bridge topology with optional clock synchronization. Featuring IR4301 PowIRaudio™ integrated Class D IC.
  • IR4301M
active and preferred
IRAUDAMP22 Output Power 50W x 2 channels (10%THD+N 2Ohms load no heatsink). 100W x 2 channels (10%THD+N 2Ohms load *with heatsink),. Multiple Protection Features: Over-current protection (OCP), high and low side. Over-voltage protection (OVP),. Under-voltage protection (UVP), high and low side. DC-protection (DCP),. Over-temperature protection (OTP). PWM Modulator: Self-oscillating half-bridge topology with optional clock synchronization.
  • IR4322M
active and preferred
IRAUDAMP16 70 W x 2 channels, (THD=10%, 1kHz, 4 Ohms). 0.015% THD+N distortion @ 30W, 4 Ohms. Residual noise 250 µV, IHF-A weighted, AES-17 filter. 96% Efficiency @ 70W, 4 Ohms, Class-D Stage. OCP, OVP, UVP,DC protection and OTP. Self-oscillating half-bridge topology with optional clock synchronization. Featuring IR4302 PowIRaudio™ integrated Class D IC.
  • IR4302M
active and preferred
IRAUDAMP18 35 W x 2 channels, (THD=10%, 1kHz, 4 Ohms). 0.018% THD+N distortion @ 3W, 4 Ohms. Residual noise 180 µV, IHF-A weighted, AES-17 filter. 96% Efficiency @ 35W, 4 Ohms, Class-D Stage. OCP, OVP, UVP and OTP. Self-oscillating half-bridge topology. Featuring IR4312 PowIRaudio™ integrated Class D IC.
  • IR4312M
active and preferred
IRAUDAMP21 Output Power: 90W x 2 channels (10%THD+N 2Ohms load no heatsink). 135W x 2 channels (10%THD+N 2Ohms load *with heatsink),. Multiple Protection Features: Over-current protection (OCP), high and low side. Over-voltage protection (OVP),. Under-voltage protection (UVP), high and low side. DC-protection (DCP),. Over-temperature protection (OTP). PWM Modulator: Self-oscillating half-bridge topology with optional clock synchronization.
  • IR4321M
active and preferred
IRAUDAMP19 100 W x 2 channels, (THD=10%, 1kHz, 4 Ohms). 0.02% THD+N distortion @ 10W, 4 Ohms. Residual noise 230 µV, IHF-A weighted, AES-17 filter. 96% Efficiency @ 75W, 4 Ohms, Class-D Stage. OCP, OVP, UVP and OTP. Self-oscillating half-bridge topology. Featuring IR4301 PowIRaudio™ integrated Class D IC.
  • IR4301M
active and preferred

Find an answer to your question

Infineon welcomes your comments and questions.

If you have any questions concerning our products, please fill out the following form. Your inquiry will be sent to the appropriate specialist who will be in touch with you as soon as possible.

You will receive a confirmation E-mail to validate your address in our system. Any attached file to the reply which will help to support your inquiry is highly appreciated.

For more information about our privacy policy please click on Privacy Policy
All fields marked with an asterisk (*) are mandatory.

Where to buy

Please use our location finder to get in contact with your nearest Infineon distributor or sales office

Find a location

Ask Infineon