Author: 360customs

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TPA3251D2 - 2 x 175W stereo 350W Mono class-D amplifier

In analogy to the TAS family (TAS5630B, TAS5613A, TAS5611A), Texas instruments introduced a new class-d chip amplifier, the TPA3251D2 (HTSSOP44). Specs are: differential analog inputs 2Vrms 90% efficiency (4 ohm) 12-36V power supply 2 x 175W at 4 Ohms BTL (10% THD) 2 x 220W...

Microsoft XBOX 1.4 power supply PSU startup problems -   5V   12V too low 0

Microsoft XBOX 1.4 power supply PSU startup problems - 5V 12V too low

At low voltage level on the 5V and 12V rail is there to system instability and startup problems. First and foremost, this is expressed in sporadic interruptions of the hard drive and the DVD drive. As both voltages are monitored together, the voltage dip is percentage...

4

TPA3132D2 - minimum 50 50W class-D amplifier (TPA3116, TPA3118)

On the basis of the TPA3132D2 of Texas instruments, a small 50 50W is amplifier in the pipeline. Update (09.01.2015): Revision 0 d in operating update (06.02.2015): switch-on delay and emergency shut-down option Update (04.08.2015): added pictures of the final version at the end of the contribution (Rev...