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TPA2013D1RGPR-TPA2013D1YZHR
2.7-W Constant Output Power Mono Class-D Audio Amplifier with Integrated Boost Converter (TPA2013)
VDD SW
IN–
VOUT+
VOUT– OUTCC VINCCFmFmFm
To Battery
Differential
CIN
CIN FBCC
SDb
GAIN
2.2 to 6.2HmFm
50 kΩ
500 kΩ
Product
Folder
Sample &
Buy
Technical
Documents
Tools &
Software
Support &
Community
TPA2013D1SLOS520A –AUGUST 2007–REVISED MARCH 2016
TPA2013D1 2.7-W Constant Output Power Class-D Audio Amplifier With Integrated Boost
Converter Features High Efficiency Integrated Boost Converter (Over
90% Efficiency) 2.2-W intoan 8-Ω Load froma 3.6-V Supply 2.7-W intoan 4-Ω Load froma 3.6-V Supply Operates from 1.8Vto 5.5V Efficient Class-D Prolongs Battery Life Independent Shutdownfor Boost Converter and
Class-D Amplifier Differential Inputs Reduce RF Common Noise Built-In INPUT Low-Pass Filter Decreases RF and
Out-of-Band Noise Sensitivity Synchronized Boost and Class-D Eliminates Beat
Frequencies Thermal and Short-Circuit Protection Availablein 2.275-mm× 2.275-mm 16-ball WCSP
and 4-mm× 4-mm 20-Lead QFN Packages 3 Selectable Gain Settingsof2 V/V,6 V/V, and V/V
Applications Cell Phones PDA GPS Portable Electronics
DescriptionThe TPA2013D1 deviceisa high efficiency Class-D
audio power amplifier with an integrated boost
converter.It drives upto 2.7W (10% THD+N) intoa
4-Ω speaker. With 85% typical efficiency, the
TPA2013D1 extend battery life when playing
audio.
The built-in converter generates the voltage rail
for the amplifier. This providesa louder
audioa stand-alone amplifier connected
directlyIt also maintainsa consistent
loudness,of battery voltage. Additionally,
the boost can be usedto supply external
devices.
The TPA2013D1 has an integrated low pass filterto
improve and reduce out-of-band noise,
increasing signal-to-noise ratio (SNR).A built-in
PLL synchronizes the boost converter and Class-D
switching frequencies, thus eliminating beat
frequencies and improving audio quality. All outputs
are fully against shortsto ground, power
Simplified Application Schematic
