Hi Ryuji,
For -15V to 5V/1A, take a look at PMP4742 http://www.ti.com/tool/PMP4742?keyMatch=null&tisearch=tidesigns-power There are several circuits on this design, but the TPS40210 plus TL431A is a way to boost a -12V input to a 12V output. This…
Hello Brian, PMP4742 comes close to what you need. PMP4742.1 comprises a negative input (-10.8V to -13.2V) to positive output (12V@1A average) inverting buck-boost converter with TPS40210; a hot swap circuit with TPS2420 quickly limits the output current…
Bell,
Please look at the following reference design. The TPS40210 is utilized and transforms -12V to +12V @1A. This might be a good starting point for our application.
www.ti.com/.../PMP4742
More reference designs can be found on the TI Designs website…
Part Number: TPS3801 Other Parts Discussed in Thread: PMP , Dear Team,
we have a question regarding pin 1 of the device TPS3801-01DCKR.
The data sheet shows that the pin is GND, but some older documents / reference designs have the pin as NC:
Data S…