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This BMS product has just been mass produced. Currently, 7 out of 10000 chips fail. Please help to see if there is a problem with the schematic diagram. Thank you!
We recommend tying SRP and SRN to GND if you are not using them. What is the VDD voltage you are pulling SCL and SDA up to? Make sure it does not violate the ABS max of the part (3.6V). Lastly, it might be good to use a smaller voltage Zener diode on the TS1 pin. Yours is close to the ABS max rating and Zener diodes can be inaccurate.
