https://community.nxp.com/t5/Other-NXP-Products/GND-connection-for-BMS-stacking-daisy-chain/m-p/1613511#M16998 <LI-SPOILER>&nbsp;</LI-SPOILER><P>I want to stack BMS AFE with Daisy chain communication.</P><P>I want to understand the ground pin connection of top and bottom AFE.</P><P>1. Do I need to connect Gnd of top to bottom top cell?</P><P>2. Two seperate GND? If two Ground are isolated, what is reference for different GNDs. I am just confused with GND pin connection. Please help me out</P> Sun, 12 Mar 2023 14:51:55 GMT monica123 2023-03-12T14:51:55Z https://community.nxp.com/t5/Other-NXP-Products/GND-connection-for-BMS-stacking-daisy-chain/m-p/1613511#M16998 <LI-SPOILER>&nbsp;</LI-SPOILER><P>I want to stack BMS AFE with Daisy chain communication.</P><P>I want to understand the ground pin connection of top and bottom AFE.</P><P>1. Do I need to connect Gnd of top to bottom top cell?</P><P>2. Two seperate GND? If two Ground are isolated, what is reference for different GNDs. I am just confused with GND pin connection. Please help me out</P> Sun, 12 Mar 2023 14:51:55 GMT https://community.nxp.com/t5/Other-NXP-Products/GND-connection-for-BMS-stacking-daisy-chain/m-p/1613511#M16998 monica123 2023-03-12T14:51:55Z https://community.nxp.com/t5/Other-NXP-Products/GND-connection-for-BMS-stacking-daisy-chain/m-p/1613542#M16999 <P>1: what do you mean about top and bottom AFE?</P> <P>2:We have the reference design,do you want to review?</P> <P>&nbsp;</P> <P>&nbsp;</P> Mon, 13 Mar 2023 01:15:11 GMT https://community.nxp.com/t5/Other-NXP-Products/GND-connection-for-BMS-stacking-daisy-chain/m-p/1613542#M16999 guoweisun 2023-03-13T01:15:11Z https://community.nxp.com/t5/Other-NXP-Products/GND-connection-for-BMS-stacking-daisy-chain/m-p/1833391#M21774 <P>Yes please I also have the same doubt can u share the reference design</P> Fri, 22 Mar 2024 04:48:38 GMT https://community.nxp.com/t5/Other-NXP-Products/GND-connection-for-BMS-stacking-daisy-chain/m-p/1833391#M21774 Sibi8939 2024-03-22T04:48:38Z