TPS4100A

Tripath Technology, Inc. – Technical Information T PS4100A FOUR CHANNEL BRIDGED OUTPUT POWER STAGE Technical Information Revision 1.1 - November 2005 GENERAL DESCRIPTION The TPS4100A is a 4 channel bridged (16 power transistors) output power stage. The TPS4100A accepts 5V CMOS logic signals from a Class-T processor, such as TCD6001, to create a high fidelity 4-channel audio amplifier. The TPS4100A has been designed specifically for automotive head unit applications operating on a single 10-26V supply. APPLICATIONS FEATURES Automotive Head Units and Trunk Amplifiers DVD Receivers Multimedia Speaker Systems BENEFITS 4-channel output stage – with integrated driver and FETs - in a single 32-pin SSIP package Low external component count Single-supply operation Four H-Bridge outputs High Efficiency High Power @25.0V 100Wsat. sq. wave @ 4Ω High Efficiency 88% @ 100W 4Ω AM “Low EMI” mode with connection to appropriate Class-T controller Mates seamlessly with TCD6001 Digital Input Class-T controller Mute and Stand-By function Protection Modes: Output Short to VPP and Ground Output Short across Load Load Dump Protection Over-/Under-Voltage Protection Over-current Protection Over-temperature Protection Fortuitous Open Ground 1 TPS4100A – KL/Rev. 1.1/11.05 Tripath Technology, Inc. – Technical Information Absolute Maximum Ratings (Note 1) SYMBOL VPP VPPMAX VPPAM VINRANGE TSTORE IR Tj PD ESD ESD Supply Voltage (VPP) Peak Supply Voltage (t 2.5ms, tpulse