Figure 2-2 shows the layout of TPS929240-Q1 EVM.
- Design large thermal dissipation
area connected to thermal pads with multiple thermal vias.
- Place the capacitors (C9, C16,
C10, C17, C11, C18) for VBAT, SUPPLY input and VLDO output as close as possible
to the pins.
- The RREF resistor
needs to be placed as close as possible to the REF pin.
- Make sure the 1 nF capacitors on
each output channels are close to the IC.
- The jumpers J1 to J76 are removed
during the test to avoid the unexpected radiated noise coupling during the bulk
current injection. The jumpers in the EVM are only for evaluation convenience,
which normally are not required in a real application.