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TPA3128D2DAP Datasheet(PDF) 1 Page - Texas Instruments

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No. de pieza TPA3128D2DAP
Descripción Electrónicos  2x30-W, 2x15-W Class-D Amplifier With Low Idle Power Dissipation
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Fabricante Electrónico  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
Logo TI1 - Texas Instruments

TPA3128D2DAP Datasheet(HTML) 1 Page - Texas Instruments

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TAS5630
TPA3128D2
Audio
Source
And Control
RIGHT
LEFT
LC
LC
PBTL
DETECT
SD
FAULT
AM2,1,0
GAIN/SLV
PLIMIT
Power Limit
SYNC
Capable of synchronizaing to other devices
PVCC
AVCC
Power Supply
4.5V-26V
Separate Power
Supply (Optional)
4.5V-26V
MONO
DETECT
MUTE
AM Avoidance Control
GAIN control and Master/Slave setting
Copyright © 2016, Texas Instruments Incorporated
TPA3129D2
Product
Folder
Order
Now
Technical
Documents
Tools &
Software
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Community
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.
TPA3128D2, TPA3129D2
SLOS941B – MAY 2016 – REVISED JUNE 2017
TPA3128D2, TPA3129D2 2x30-W, 2x15-W Class-D Amplifier With Low Idle Power
Dissipation
1
1 Features
1
Supports Multiple Output Configurations
2 × 30 W Into a 8-Ω BTL Load at 24 V
(TPA3128D2)
2 × 15 W Into a 8-Ω BTL Load at 15 V
(TPA3129D2)
Wide Voltage Range: 4.5 V to 26 V
Efficient Class-D Operation
Very Low Idle Current: <23 mA for
recommended LC filter configurations
Greater than 90% Power Efficiency Combined
With Low Idle Loss Greatly Eliminates Need
for Heat Sink
Adaptive Modulation Schemes based on
Output Power
Smart Amplifier Drivers to Reduce the
Requirement for RC Snubbers
Multiple Switching Frequencies
AM Avoidance
Master and Slave Synchronization
300-KHz to 1.2-MHz Switching Frequency
Feedback Power-Stage Architecture With High
PSRR Reduces PSU Requirements
Programmable Power Limit
Parallel BTL Mode and Mono-Channel Mode
Support
Supports Both Single and Dual Power Supply
Modes
Integrated Self-Protection Circuits Including
Overvoltage, Undervoltage, Overtemperature, DC-
Detect, and Short Circuit With Error Reporting
Thermally Enhanced Packages
DAP (32-Pin HTSSOP Pad Down for
TPA3128D2 and TPA3129D2)
2 Applications
Bluetooth/Wireless Speakers
Soundbars
Mini-Micro Component, Docks
LCD/LED TVs
Home Theaters
3 Description
The TPA3128D2 and TPA3129D2 have low idle
power loss and helps to extend the battery life of
Bluetooth/Wireless
speakers
and
other
battery-
powered audio systems. The high efficiency of the
TPA3128D2 device allows it to do 2 × 30 W without
external heat sink on a dual layer PCB. The high
efficiency of the TPA3129D2 device allows it to do 2
× 15 W without external heat sink on a dual layer
PCB. This device proposed an efficiency boost Mode,
which can dynamically reduced the current ripple of
the external LC filter and the idle current .
The
TPA31xxD2
advanced
oscillator/PLL
circuit
employs a multiple switching frequency option to
avoid AM interferences, which is achieved together
with an option of either master or slave option,
making it possible to synchronize multiple devices.
The TPA31xxD2 devices are fully protected against
faults
with
short-circuit
protection
and
thermal
protection as well as overvoltage, undervoltage, and
DC protection. Faults are reported back to the
processor to prevent devices from being damaged
during overload conditions.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
TPA3128D2
DAP (32)
11.00 mm × 6.20 mm
TPA3129D2
DAP (32)
11.00 mm × 6.20 mm
(1) For all available packages, see the orderable addendum at
the end of the datasheet.
Simplified Application Circuit


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