MP7752

18V, 2x15W Stereo BTL, Fixed Frequency,

Inductorless Class-D Audio Amplifier

MP7752 Rev. 1.01

www.MonolithicPower.com

1

5/27/2016

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© 2016 MPS. All Rights Reserved.

The Future of Analog IC Technology

DESCRIPTION

The MP7752 is an analog input inductorless

class-D audio amplifier, which drives stereo

speakers in bridge-tied-load configuration. It is

a fully integrated audio amplifier, which reduces

solution size dramatically. It integrates 240mΩ

power MOSFETs and short-circuit protection

circuits, and it features start-up/shutdown pop

elimination and advanced EMI performance.

Also, it is inductorless while passing the EMC

test.

The MP7752 utilizes a stereo BTL structure

capable of delivering 15W per channel into 8Ω

speakers with a 16V power supply. MPS

class-D audio amplifiers exhibit the high fidelity

of class-AB amplifiers at high efficiency.

The MP7752 includes an internal circuit which

allows the system to shut down automatically

after the absence of the audio signal is detected.

This feature is used for energy-using products

and battery operated applications.

Also, it has an adjustable power limit function.

The PLIMIT circuit sets a limit on the output

peak-to-peak voltage. This is done by limiting

the duty cycle to a fixed maximum value. This

limit can be thought of as a "virtual" voltage rail,

which is lower than the supply connected to

PVCC.

The MP7752 is available in a TSSOP-28 EP

package.

FEATURES

 5V to 18V Operation from a Single Supply

 ±5A Peak Current Output

 Output Power:

9.5W/Channel at 12V, 8Ω Load, 10%THD

15W/Channel at 16V, 8Ω Load, 10%THD

 90% Efficiency with 8Ω Load, 10%THD,

1kHz, 12V Supply Voltage

 240mΩ Power MOSFETs

 Start-UP/Shutdown Pop Elimination

 Short-Circuit Protection Circuits

 Inductorless Topology

 Advanced EMI performance

 All Switches Current Limited

 Internal Under-Voltage Protection

 Internal Thermal Protection

 TSSOP-28 EP Package

 Adjustable Power Limiter

 Automatic Shutdown with Zero Input Signal

Detection

 Fault Output Flag

APPLICATIONS

 TV

 DVD Receiver

 Active Speaker

All MPS parts are lead-free, halogen-free, and adhere to the RoHS directive. For

MPS green status, please visit the MPS website under Quality Assurance.

“MPS” and “The Future of Analog IC Technology” are registered trademarks of

Monolithic Power Systems, Inc.