Part Number: BQ77915 Other Parts Discussed in Thread: BQ77905 , , BQ76920 , BQ40Z50-R2 , BQ4050 In continuation to the discussion in https://e2e.ti.com/support/power-management/f/196/t/779439?BQ77915-BMS-for-2-4-Prismatic-Cell , we have also come across…
Hi Zoltan,
i should have provided a little more detail on how the gauge can support 32mAh. Without fooling the gauge, it only supports 14.5 as per that document you pointed out.
The attached ppt describes how to fool the gauge for higher capacity…
Sam,
The link should be back up. This powerpoint might also be helpful to you: 8204.2015_BMS_DD_GAUGE_Fundamentals_of_Gauging_4x3_Rev2.pptx
Best Regards,
Ben Lough
Hi Blake,
Your understanding of Qmax and FCC is correct. They are different because the battery impedance will produce a voltage drop when discharging. This means you will always reach your termination voltage before using all of your chemical capacity…
Part Number: BQ40Z50EVM-561 Hello,
Months ago, there was the tough issue(COV, SOV, PF, XCHG, XDSG were set when the battery was charging and discharging at the same time) on our battery, and I had sunmit a case(got wayter is kind reply);
we used BQ40Z50R1…
Part Number: BQ40Z50 Other Parts Discussed in Thread: BQ2980 Hi
The customer design with 4 lithium batteries 4V two series and two parallel, t he measurement phenomenon is that the voltage of VC1 is only 1.1v, and the voltage of VC2 is normal and shows…
Hi,TI experts,
I have a few questions to ask you.
1. Can I access the 0x54(sbs cmd)register (not the 0054 ManufacturerAccess register ) ,if the device in the sealed mode?
2. What scenarios are these 3 modes applied to(sealed,unsealed,full access…
Part Number: BQ40Z50-R2 Other Parts Discussed in Thread: GPCCHEM Hi TI Team,
I'm wondering how to request a customized chem ID for a specific application?
From other question I asked, GPCCHEM tool was mentioned. So I'm wondering if GPCCHEM tool…
Hi Onyx
Thanks for your reply, I also guess ESD damaged. But our environment is ESD free. Never this issue on our other product with BQ40Z50 , bq27541 and other Ti devices. As per the schematic, No ESD protection diode for the DQ PIN. Do you think…
