Datasheet

APPLICATIONINFORMATION
RecoveryFromError
InterchannelDelay(ICD)Settings
TAS5706A
TAS5706B
www.ti.com .............................................................................................................................................SLOS606D–MARCH2009–REVISEDSEPTEMBER2009
ProtectionMechanismsintheTAS5706A/B
•SCP(short-circuitprotection,OCP)protectsagainstshortsacrosstheload,toGND,andtoPVCC.
•OTPturnsoffthedeviceifT
die
(typical)>150°C.
•UVPturnsoffthedeviceifPVCC(typical)<8.4V
•OVPturnsoffthedeviceifPVCC(typical)>27.5V
Ashort-circuitconditioncanbedetectedalsobyanexternalcontroller.TheSCPerrorfromtheexternalpower
stageisalsofedintoTAS5706A/B.TheVALIDpingoeslowintheeventofashortcircuit.TheVALIDpincanbe
monitoredbyanexternalµC.TheTAS5706A/Binitiatesaback-enderrorsequencebyitselftorecoverfromthe
error,whichinvolvessettlingVALIDlowforaprogrammableamountoftimeandthenretryingtocheckwhether
theSCPconditionstillexists.
•OTPturnsonthedevicebackwhenT
die
(typical)<135°C.
•UVPturnsonthedeviceifPVCC(typical)is>8.5V.
•OVPturnsonthedeviceifPVCC(typical)is<27.2V.
RecommendedICDSettings
ModeDescriptionICD1ICD2ICD3ICD4ICD5ICD6
2BTLchannels,internal
A(L+)=19C(R+)=13B(L–)=7D(R–)=25SM(S–)=–12SP(S+)=–28
2.0chBDBTLpowerstageonly,BD
(0x4C)(0x34)(0x1C)(0x64)(0xD0)(0x90)
mode
2internalBTLchannels,
1externalBTLchannelA(L+)=23C(R+)=9B(L–)=21D(R–)=11SM(S–)=–23SP(S+)=–21
2.1chADBTL
usingPBTLTAS5601,(0x5C)(0x24)(0x54)(0x2C)(0xA4)(0xAC)
ADmode
2internalSEchannels(2
unused),1externalBTLA(L+)=15B(R–)=–15B(0)=0D(0)=0SM(S–)=–30SP(S+)=–32
2.1chADSE
channelusingPBTL(0x3C)(0xC4)(0x00)(0x00)(0x88)(0x80)
TAS5601,ADmode
2internalBTLchannels,
1externalBTLchannelA(L+)=19C(R+)=13B(L–)=7D(R–)=25SM(S–)=–12SP(S+)=–28
2.1chBDBTL
usingPBTLTAS5601,(0x4C)(0x34)(0x1C)(0x64)(0xD0)(0x90)
BDmode
2internalSEchannels+
3.0chAD2SE+A(L+)=15B(R–)=–16SM(0)=0SP(0)=0D(S–)=0C(S+)=2
1internalBTLchannel,
1BTL(0x3C)(0xC0)(0x00)(0x00)(0x00)(0x08)
ADmode
A(L1+)=8B(R1–)=–24C(L2+)=–8D(R2–)=24SM(0)=1SP(0)=–1
4.0chADSE4internalSEchannels
(=0x20)(0xA0)(0xE0)(0x60)(0x04)(0xFC)
4internalSEchannels+
1externalBTLchannel,A(L1+)=8B(R1–)=–24C(L2+)=–8D(R2–)=24SM(S–)=1SP(S+)=–1
4.1chADSE
usingPBTLTAS5601,(0x20)(0xA0)(xE0)(0x60)(0x04)(0xFC)
ADmode.
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TAS5706A is Not Recommended for New Designs