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Product Detailed Parameters
- Description：IC AMP CLSS D STER 100W 56HTSSOP
- Series：PurePath Digital™
- Mfr：Texas Instruments
- Package：Tape & Reel (TR)
- Type：Class D
- Output Type：2-Channel (Stereo)
- Max Output Power x Channels @ Load：100W x 2 @ 6Ohm
- Voltage - Supply：9V ~ 12.6V
- Features：Digital Inputs, Short-Circuit and Thermal Protection, Shutdown
- Mounting Type：Surface Mount
- Supplier Device Package：56-HTSSOP
- Package / Case：56-PowerTFSOP (0.240", 6.10mm Width)
- Operating Temperature：-40°C ~ 85°C (TA)
- Grade：-
- Qualification：-
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Overview
The TAS5182IDCAR is a stereo digital amplifier power stage controller designed to drive two discrete bridge-tied-load (BTL) MOSFET output stages. It delivers up to 100 W per channel at 6 Ω with efficiency exceeding 95%. The device accepts a 3.3-V digital PWM input and operates within a GVDD range of 9 V to 12.6 V and DVDD range of 3 V to 3.6 V. It features overcurrent, overtemperature, and undervoltage protection mechanisms. The component is housed in a low-profile 56-terminal TSSOP SMD package.
Feature Summary
- Stereo H-Bridge Controller
- Glueless Interface to TAS50XX Digital Audio PWM Processors
- Built-in Fault Detection for Overcurrent, Overtemperature, and Undervoltage
Applications
- AV Receivers
- High Power DVD Receivers
- Power Amplifiers
- Home Theater Systems
- Subwoofer Drivers
Procurement Notes
Verify the specific ordering suffix IDCA against the datasheet to confirm the industrial temperature rating (-40°C to 85°C). Ensure compatibility with external MOSFETs and the TAS50XX PWM processor family. Confirm that the required bootstrap capacitors and NTC resistors are included in the design. Validate the 56-pin DCA package dimensions for PCB layout requirements.
Selection Notes
Select this controller when designing high-power stereo audio systems requiring discrete MOSFET output stages. It is suitable for applications needing efficient digital amplification with integrated fault protection. Consider the thermal performance of the PowerPAD package for heat dissipation. Ensure the system supports the necessary 3.3-V digital interface and external gate drive supplies.
Part Context
The TAS5182 is part of Texas Instruments' PurePath digital audio solutions, specifically designed as a power stage controller. It complements TAS50XX digital audio PWM processors to create complete high-fidelity audio amplification systems. The device integrates advanced protection features and timing control to manage external H-bridges effectively.
Replacement Considerations
TAS5182DCA
FAQ
How does the TAS5182 handle fault conditions?
The device provides overcurrent, overtemperature, and undervoltage protection. Upon detecting a fault, it drives the SHUTDOWN terminal low and forces all gate outputs low, placing the MOSFET outputs in a high-impedance state.
What is the purpose of the LOW/HIZ terminal?
The LOW/HIZ terminal determines the state of the MOSFET output stage during a reset. A logic high sets the outputs to a high-impedance state, while a logic low sets them to a low-impedance state.
