Part Number: EV2300
Hello,
Recently,I used the EV2300 connect to my PCB,the communication(SMBUS) was OK at first. But I accidentally shorted the P+ to SMBC and SMBD,and the communication was unnormal, so I checked my PCB and found two resistors 100Ω connected to SMBC and SMBD were broken, I replaced the two resistors and found the communication was still unnormal. I changed my PCB connected to another EV2300,and found the communication was OK now, so I'm sure the first EV2300 was brokened.
Now I want to repair the first EV2300 according to the sluu159e.pdf , I checked theR13 R14 R15 R16 R21 R22 R23 R24 were normal and U1 U2 were normal too. So I suggest the U6(bq8015dbt)is broken inside. The waveform below shows that it can send data, but cannot receive data.So I thnik something was breken inside it(bq8015dbt).
Now I want to further verify it, but I know the bq8015 is a MCU and it needs to write the program. Can you give me only one bq8015dbt that has been progranmmed.
The follow is my address:
Address:No.2003 Dongta, Nanshan digital cultural industry base, Nanshan Street,Nanshan District, Shenzhen City, Guangdong Province, China
Shenzhen Realone Technologies Co., Ltd
Mobile: (+86) 136-6720-1467