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TAS5441-Q1

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22-W, analog input 1-channel automotive class-D audio amplifier with load dump and I2C diagnostics

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Product details

Parameters

Audio input type Analog Input Architecture Class-D Speaker channels (Max) Mono Power stage supply (Max) (V) 18 Power stage supply (Min) (V) 4.5 Load (Min) (ohms) 2 THD + N @ 1 kHz (%) 0.05 Iq (Typ) (mA) 16 Control interface I2C Closed/open loop Closed Analog supply (Min) (V) 4.5 Analog supply (Max) (V) 18 PSRR (dB) 75 Operating temperature range (C) -40 to 125 open-in-new Find other Speaker amps

Package | Pins | Size

HTSSOP (PWP) 16 32 mm² 5 x 6.4 open-in-new Find other Speaker amps

Features

  • AEC-Q100 Qualified for automotive applications
    • Temperature grade 1: –40°C to 125°C, TA
  • Mono BTL Digital power amplifier
  • -W Output power at 10% THD+N into 4 Ω
  • 4.5-V to 18-V Operating range
  • 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 output-to-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
    • Overvoltage and Undervoltage protection
  • Thermally enhanced 16-Pin HTSSOP (PWP) package with PowerPAD™ package (pad down)
  • Designed for automotive EMC requirements
  • ISO9000: 2002 TS16949 certified
  • 40-V Load dump protection in standby
  • Non-blocking I2C in standby

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Description

The is a mono class-D audio amplifier, ideal for use in automotive emergency call (eCall), telematics, instrument cluster, and infotainment applications. The device provides up to -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.

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Technical documentation

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Type Title Date
* Datasheet TAS5441-Q1 22-W Analog Input 1-Channel Automotive Class-D Audio Amplifier datasheet (Rev. A) Jun. 08, 2020
More literature TAS5441Q1EVM EU Declaration of Conformity (DoC) Jun. 02, 2020
User guides TAS5441-Q1 EVM User's Guide (Rev. B) Jun. 01, 2020

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HTSSOP (PWP) 16 View options

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