https://community.nxp.com/t5/Powertrain-and-Electrification/BATTERY-MANAGEMENT-SYSTEM/m-p/2076438#M700 <P>Hello,</P> <P>Yes, you can use multiple MC33774 ICs in the same BMS chain or you can check our GPIO Expanders:&nbsp;<A href="https://www.nxp.com/products/interfaces/ic-spi-i3c-interface-devices/general-purpose-i-o-gpio:MC_41850" target="_blank">https://www.nxp.com/products/interfaces/ic-spi-i3c-interface-devices/general-purpose-i-o-gpio:MC_41850</A></P> Tue, 08 Apr 2025 19:02:01 GMT ErikaC 2025-04-08T19:02:01Z https://community.nxp.com/t5/Powertrain-and-Electrification/BATTERY-MANAGEMENT-SYSTEM/m-p/2074264#M699 <P>i am working on making a bms for fsae electrical vehicle&nbsp;&nbsp;</P><P>i require 13 gpio pins in the cell monitoring unit for temperature monitoring&nbsp; but in MC33774 only 8 GPIOs pins are present so is there a way to increase number of&nbsp; GPIO pins by using some ic or by using two MC33774 ics together also if i use a centralized thermistor expansion module would it be able to communicate with s32k3 or will there be any problem&nbsp;</P><P>thank you&nbsp;</P> Fri, 04 Apr 2025 12:29:52 GMT https://community.nxp.com/t5/Powertrain-and-Electrification/BATTERY-MANAGEMENT-SYSTEM/m-p/2074264#M699 rj2025 2025-04-04T12:29:52Z https://community.nxp.com/t5/Powertrain-and-Electrification/BATTERY-MANAGEMENT-SYSTEM/m-p/2076438#M700 <P>Hello,</P> <P>Yes, you can use multiple MC33774 ICs in the same BMS chain or you can check our GPIO Expanders:&nbsp;<A href="https://www.nxp.com/products/interfaces/ic-spi-i3c-interface-devices/general-purpose-i-o-gpio:MC_41850" target="_blank">https://www.nxp.com/products/interfaces/ic-spi-i3c-interface-devices/general-purpose-i-o-gpio:MC_41850</A></P> Tue, 08 Apr 2025 19:02:01 GMT https://community.nxp.com/t5/Powertrain-and-Electrification/BATTERY-MANAGEMENT-SYSTEM/m-p/2076438#M700 ErikaC 2025-04-08T19:02:01Z