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[LTM4671] Questions about the connectivity of Tsense signals for parallel channels application.

Hi support team.

For parallel channels application. How to connect Tsense0/3 pins to the temperature monitor controller? 

The diode connected NPN transistor across the TSENSEn+ and pin and TSENSEn- pins can be used to monitor the internal temperature of the LTM4671 channel 0 and 3.

If I use 2+2 (CH0+CH3, CH1+CH2) channels parallel mode in my design, for CH0+CH1 Vout, there are two pairs of Tsense signals (Tsense0+/- and Tsense0+/-),which one could be used to detect the internal temperature of combined channel?

Thanks very much.

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  • Thanks for your reply. It is helpful. I just found there were so many typo above, but I think you understook what I asked. :) Anyway, I correct the question here:

    If I use 2+2 (CH0+CH3, CH1+CH2) channels parallel mode in my design, for CH0+CH3 Vout, there are two pairs of Tsense signals (Tsense0+/- and Tsense3+/-),which one could be used to detect the internal temperature of combined rail.