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LP8863-Q1: Paralleling of two device for High output current

Part Number: LP8863-Q1
Other Parts Discussed in Thread: TPS61196-Q1

Hello,

Can you clarify below query on LP8863-Q1 device:

Our requirements are, Input: 12V, Output max 45V, 4 Channel LED string, each string 250mA current loading.

I understand that the LP8863-Q1 can support 150mA on each output and we can parallel two outputs so that we can get 300mA current support. If I do so, with Single LP8863-Q1 device, I can only make 3 Channel LED string outputs and for a remaining channel I need to use another device. 

My question, Can I add another LP8863-Q1 device in parallel without Boost circuit to control the Fourth channel output LED string? So that I can save Inductor, capacitors, diode and MOSFET required for second LP8863-Q1 device.Please confirm. If we can do, do I need to ensure any specific comments in I2C, can you share application notes if any?

Thank you