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nidhi singh
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nidhi singh
Asked: November 22, 20222022-11-22T10:59:29+05:30 2022-11-22T10:59:29+05:30In: Power Management

Power SDK – APP_EVT_DISCONNECT Event?

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Hello,

I relate to SDK- CYPD3171-24LQXQ_pb design to make our power bank design.

If the type- c is unplugged while the power part is the source, Still, the FW will throw an APP_EVT_DISCONNECT event,

If the type- c is unplugged while the power part is sink, still, the FW will not throw an APP_EVT_DISCONNECT event and throw another APP_EVT_TYPEC_RP_DETACH event and the power path Mosfet does not turn off, why? and how to solve it.

Thank you in advance…

app_evt_disconnecteventpowersdk
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    1. ashishgawade
      2022-11-25T10:01:06+05:30Added an answer on November 25, 2022 at 10:01 am

      Hello, I've made a sink device firmware based on CYPD3171-24LQXQ_pb from Power SDK and verified it on CY4532. the event could be generated successfully once the power source is unplugged. BTW, note the event APP_EVT_TYPEC_RP_DETACH is commented in PB firmware by default. Can you double-check what moRead more

      Hello, I’ve made a sink device firmware based on CYPD3171-24LQXQ_pb from Power SDK and verified it on CY4532.

      the event could be generated successfully once the power source is unplugged.
      BTW, note the event APP_EVT_TYPEC_RP_DETACH is commented in PB firmware by default. Can you double-check what modifications were made to the current firmware?

      Thanks.

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