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TPS54160A: Is any external diode needed between BOOT and PH terminal of TPS54160A?

Part Number: TPS54160A

 Hello guys,

 One of our customers is concidering using TPS54160A for their new products. They have a question as the follow.

Q. Is any external diode needed between BOOT and PH terminal of TPS54160A? Is it not needed because TPS160A has "Boot Charge" circuit internally?

  Your reply would be much appreciated.

 Best regards,

 Kazuya Nakai.