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LM5175: Reference design of Backup Battery and Supercapacitor Charging

Went Cao
Genius 5550 points
Part Number: LM5175
Other Parts Discussed in Thread: LM5176

Dear  al

      In the datasheet of LM5175, it said the device can be used to Backup Battery and Supercapacitor Charging, like below picture, could you please share the reference design of Backup Battery and Supercapacitor Charging to me ? Thanks a lot.

  • 0
    TI__Mastermind 21720 points
    Hi Went,

    There is not currently a public reference design where the LM5175 is used as a super capacitor charger. However I would suggest that you use the LM5176 for super capacitor charging. This is the newer generation of the LM5175 and has some improvements.

    The super capacitor charging can implemented on the LM5176 evaluation module and populating the average output current sense resistor to set the charge current . This is the resistor that goes between the ISNS+ and ISNS- pins

    Please let me know if you have any questions.

    Thank,

    Garrett