Texas Instruments TAS5152K8EVM User Manual Download Page 17

Page: 17 / 20

Chapter 3

SLEU074 – June 2006

Protection

This section describes the short-circuit protection and fault-reporting circuitry of the
TAS5152 device.

Topic

..................................................................................................

Page

3.1

Short-Circuit Protection and Fault-Reporting Circuitry

..................

3.2

Fault Reporting

.........................................................................

SLEU074 – June 2006

Protection

Submit Documentation Feedback

Summary of Contents for TAS5152K8EVM

Page 1: ...TAS5518 5152K8EVM Evaluation Module for TAS5518 Digital Audio PWM Processor and TAS5152 Digital Amplifier Power Output Stage User s Guide June 2006 Digital Audio Video Products SLEU074...

Page 2: ...2 SLEU074 June 2006 Submit Documentation Feedback...

Page 3: ...2 2 2 PSU Control Interface J902 13 2 3 Loudspeaker Connectors J101 J107 14 2 4 Headphone Connector J700 15 2 5 Control Interface J40 15 2 6 Digital Audio Interface J60 16 3 Protection 17 3 1 Short Ci...

Page 4: ...7 Pin Numbers 14 2 5 J700 Pin Numbers 15 List of Tables 1 Related Documentation From TI 6 2 1 Recommended Supply Voltages 12 2 2 J901 Pin Description 12 2 3 J900 Pin Description 13 2 4 J902 Pin Descri...

Page 5: ...ns and Warnings This manual may contain cautions and warnings CAUTION This is an example of a caution statement A caution statement describes a situation that could potentially damage your software or...

Page 7: ...gate drivers four matched and electrically isolated enhancement mode N channel power DMOS transistors and protection fault reporting circuitry The DKD PowerPAD package top side allows heat transfer t...

Page 8: ...y 2 Channel Headphone Output TAS5518 5152K8EVM Features Stereo channel line output Stereo headphone output Self contained protection system short circuit and thermal Standard inter IC sound I2 S and i...

Page 9: ...OUTPUT J700 J101 J103 J102 J104 PSU INTERFACE J900 J105 J106 J107 J108 OUTPUT STAGE CHANNEL 1 OUTPUT STAGE CHANNEL 4 OUTPUT STAGE CHANNEL 2 OUTPUT STAGE CHANNEL 6 OUTPUT STAGE CHANNEL 7 OUTPUT STAGE...

Page 10: ...www ti com PCB Key Map Overview 10 SLEU074 June 2006 Submit Documentation Feedback...

Page 11: ...ies and system interfaces Topic Page 2 1 Power Supply PSU Interface J901 and J900 12 2 2 PSU Control Interface J902 13 2 3 Loudspeaker Connectors J101 J107 14 2 4 Headphone Connector J700 15 2 5 Contr...

Page 12: ...in the TAS5152 data sheet Table 2 1 Recommended Supply Voltages VOLTAGE LIMITATIONS CURRENT DESCRIPTION 4 LOAD RECOMMENDATIONS System power supply 15 V to 20 V 0 3 A Output stage power supply 0 V to...

Page 13: ...ptional Use to decrease impedance to reach better performance This interface is used for onboard sensing of output supply voltage and for the power supply volume control PSVC signal Figure 2 3 J902 Pi...

Page 14: ...ive speaker outputs are floating and may not be connected to ground e g through an oscilloscope Figure 2 4 J101 J107 Pin Numbers Table 2 5 J101 J107 Pin Description PIN NET NAME DESCRIPTION NO AT SCHE...

Page 15: ...ing to noiseless soft mute Mute also can be activated by I2C 7 PDN Power down The TAS5518 goes to power down state when activated 10 SDA I2C data clock 12 SCL I2C bit clock Shutdown reporting Activate...

Page 16: ...PTION NO SCHEMATICS 1 3 10 GND Ground 12 14 16 Master clock input Low jitter system clock for PWM generation and reclocking Ground connection 2 MCLK from source to the TAS5518 must be a low impedance...

Page 17: ...n describes the short circuit protection and fault reporting circuitry of the TAS5152 device Topic Page 3 1 Short Circuit Protection and Fault Reporting Circuitry 18 3 2 Fault Reporting 18 SLEU074 Jun...

Page 18: ...to the TAS5152 Data Manual for a description of these pins Table 3 1 TAS5152 Warning Error Signal Decoding OTW SD DEVICE CONDITION 0 0 High temperature error and or high current error 0 1 High temper...

Page 19: ...he product This notice contains important safety information about temperatures and voltages For additional information on TI s environmental and or safety programs please contact the TI application e...

Page 20: ...iness practice TI is not responsible or liable for any such statements TI products are not authorized for use in safety critical applications such as life support where a failure of the TI product wou...