JAJSIU0C April   2020  – September 2023 TAS5441-Q1

PRODUCTION DATA  

  1.   1
  2. 特長
  3. アプリケーション
  4. 概要
  5. Revision History
  6. Pin Configuration and Functions
  7. Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Timing Requirements for I2C Interface Signals
    7. 6.7 Typical Characteristics
  8. Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Analog Audio Input and Preamplifier
      2. 7.3.2 Pulse-Width Modulator (PWM)
      3. 7.3.3 Gate Drive
      4. 7.3.4 Power FETs
      5. 7.3.5 Load Diagnostics
        1. 7.3.5.1 Load Diagnostics Sequence
        2. 7.3.5.2 Faults During Load Diagnostics
      6. 7.3.6 Protection and Monitoring
      7. 7.3.7 I2C Serial Communication Bus
        1. 7.3.7.1 I2C Bus Protocol
        2. 7.3.7.2 Random Write
        3. 7.3.7.3 Random Read
        4. 7.3.7.4 Sequential Read
    4. 7.4 Device Functional Modes
      1. 7.4.1 Hardware Control Pins
      2. 7.4.2 EMI Considerations
      3. 7.4.3 Operating Modes and Faults
    5. 7.5 Register Maps
      1. 7.5.1 I2C Address Register Definitions
  9. Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
        1. 8.2.1.1 Amplifier Output Filtering
        2. 8.2.1.2 Amplifier Output Snubbers
        3. 8.2.1.3 Bootstrap Capacitors
        4. 8.2.1.4 Analog Audio Input Filter
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Unused Pin Connections
          1. 8.2.2.1.1 MUTE Pin
          2. 8.2.2.1.2 STANDBY Pin
          3. 8.2.2.1.3 I2C Pins (SDA and SCL)
          4. 8.2.2.1.4 Terminating Unused Outputs
          5. 8.2.2.1.5 Using a Single-Ended Audio Input
      3. 8.2.3 Application Curves
  10. Layout
    1. 9.1 Layout Guidelines
    2. 9.2 Layout Examples
      1. 9.2.1 Top Layer
      2. 9.2.2 Second Layer – Signal Layer
  11. 10Device and Documentation Support
    1. 10.1 Device Support
      1. 10.1.1 サード・パーティ製品に関する免責事項
    2. 10.2 Documentation Support
      1. 10.2.1 Related Documentation
    3. 10.3 ドキュメントの更新通知を受け取る方法
    4. 10.4 サポート・リソース
    5. 10.5 Trademarks
    6. 10.6 静電気放電に関する注意事項
    7. 10.7 用語集
  12. 11Mechanical, Packaging, and Orderable Information

パッケージ・オプション

メカニカル・データ(パッケージ|ピン)
サーマルパッド・メカニカル・データ
発注情報

I2C Address Register Definitions

Table 7-5 I2C Address Register Definitions
ADDRESSR/ WREGISTER DESCRIPTION
0x01RLatched fault register
0x02RStatus and load diagnostics register
0x03 R/ W Control register
Table 7-6 Fault Register (0x01)
D7 D6 D5 D4 D3 D2 D1 D0 FUNCTION
0 0 0 0 0 0 0 0 No protection-created faults, default value
1 Reserved
1 Reserved
1 A load-diagnostics fault has occurred.
1 Overcurrent shutdown has occurred.
1 PVDD undervoltage has occurred.
1 PVDD overvoltage has occurred.
1 DC offset protection has occurred.
1 Overtemperature shutdown has occurred.
Table 7-7 Status and Load Diagnostic Register (0x02)
D7 D6 D5 D4 D3 D2 D1 D0 FUNCTION
0 0 0 0 0 0 0 0 No speaker-diagnostic-created faults, default value
1 Output short to PVDD is present.
1 Output short to ground is present.
1 Open load is present.
1 Shorted load is present.
1 In a fault condition
1 Performing load diagnostics
1 In mute mode
1 In play mode
Table 7-8 Control Register (0x03)
D7 D6 D5 D4 D3 D2 D1 D0 FUNCTION
0 1 1 1 1 0 0 0 26-dB gain, switching frequency set to 400 kHz , SpeakerGuard protection circuitry disabled
1 Switching frequency set to 500 khz
1 1 - Reserved
1 1 0 SpeakerGuard protection circuitry set to 14-V peak output
1 0 1 SpeakerGuard protection circuitry set to 11.8-V peak output
1 0 0 SpeakerGuard protection circuitry set to 9.8-V peak output
0 1 1 SpeakerGuard protection circuitry set to 8.4-V peak output
0 1 0 SpeakerGuard protection circuitry set to 7-V peak output
0 0 1 SpeakerGuard protection circuitry set to 5.9-V peak output
0 0 0 SpeakerGuard protection circuitry set to 5-V peak output
0 0 Gain set to 20 dB
1 0 Gain set to 32 dB
1 1 Gain set to 36 dB