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TS3A4751: TS3A4751RUCR power consumption issue

Prodigy 60 points
Sivakumar Subramanian90

Replies: 1

Views: 56

Part Number: TS3A4751

We have designed a board with “TS3A4751RUCR” and while testing observed abnormal power consumption of the device. The device VCC is connected to 3.3V and all the enable inputs  IN1,IN2,IN3,IN4 are used. (attached the schematics for your reference). AS per the datasheet, the device consumption is expected to be around 0.75uA. but we observed “1.209mA”. Can you let me know what could be the reason for the increased power consumption and why the datasheet numbers doesnt match.

Prodigy 60 points
Sivakumar Subramanian90
  • Expert 3375 points
    Saminah C

    Hi Sivakumar,

    Thank you for your interest in TS3A4751. Can you share the voltage at the IN pins? Are they driven all the way to the rail?

    Is the device operation under the recommended operating conditions highlighted in the datasheet?

    Thanks

    Saminah

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