I plan on running two 12v sla batteries in series to directly power the TP2050 chip at 24v on the Teac A-L700p. I want to solder the 24v line to the pins directly, but am confused looking at the tripath data sheet on where to solder the wires to exactly. Do I need to solder the wire to ALL four pins? They are listed as pins 4, 7, 12, and 15 named as VCC1a, VCC1b, VCC2a, VCC2b. The data sheet can be found at the following address on page 5. http://www.datasheetcatalog.com/datasheets_pdf/T/K/2/0/TK2050.shtml
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