TAS5411-Q1 Datasheet, PDF (1/35 Pages) Texas Instruments – Mono Automotive Class-D Audio Amplifier

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TAS5411-Q1
SLOS921A – DECEMBER 2015 – REVISED DECEMBER 2015
TAS5411-Q1 8-W Mono Automotive Class-D Audio Amplifier With Load Dump and I²C
Diagnostics
1 Features
•1 Mono BTL Class-D Power Amplifier
• 8-W Output Power at 10% THD+N Into 4 Ω
• 4.5-V to 18-V Operating Range
• 83% Efficiency Into 4 Ω
• Differential Analog Input
• Speaker Guard™ Speaker Protection With
Adjustable Power Limiter
• 75-dB Power-Supply Rejection Ratio (PSRR)
• Load Diagnostic Functions:
– Open and Shorted Output Load
– Output-to-Power and -Ground Shorts
• Protection and Monitoring Functions:
– Short-Circuit Protection
– 40-V Load-Dump Protection per ISO-7637-2
– Output DC Level Detection While Music Is
Playing
– Overtemperature Protection
– Over- and Undervoltage Protection
• Thermally Enhanced 16-Pin HTSSOP (PWP)
Package With PowerPAD™ Package (Pad Down)
• Designed for Automotive EMC Requirements
• Qualified According to AEC-Q100 Grade 2
• ISO9000: 2002 TS16949 Certified
• –40°C to 125°C Ambient Temperature Range
2 Applications
• Automotive Emergency Call (eCall) Amplifier
• Telematics Systems
• Instrument Cluster Systems
3 Description
The TAS5411-Q1 is a mono class-D audio amplifier,
ideal for use in automotive emergency call (eCall),
telematics, and instrument cluster applications. The
device provides up to 8 W into 4 Ω at less than 10%
THD+N from a 14.4-Vdc automotive battery. The
wide operating voltage range and excellent efficiency
make the device ideal for start-stop support or
running from a backup battery when required. The
integrated load-dump protection reduces external
voltage clamp cost and size, and the onboard load
diagnostics report the status of the speaker through
I²C.
Device Information⁽¹⁾
PART NUMBER
PACKAGE
BODY SIZE (NOM)
TAS5411-Q1
HTSSOP (16)
5.00 mm × 4.40 mm
(1) For all available packages, see the orderable addendum at
the end of the datasheet.
System
µP
IN_P
IN_N
Simplified Block Diagram
I²C
OUTP
TAS5411-Q1
LC
OUTN
Efficiency
100%
90%
80%
70%
60%
50%
40%
30%
20%
10%
Device Efficiency
System Efficiency
0
0
1
2
3
4
5
6
7
8
Output Power (W)
D001
1
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.