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TPS62135: Heat Isssues faced for TPS62135

Expert 2385 points
Part Number: TPS62135

Hi,

Kindly please help to advise as currently facing high heat issues during switching on the TPS62135, the temperature rises continuously until it cuts off and it's around 120degC. Below are the operating requirements.

Vin: 13.5V

Vout: (application is USB type C charger)

12V 1.5A, 9V 2.0A, 5V 3.0A

Please help to advise on the design improvement which is needed to bring down the heat.