Part Number: BQ77905
Hi Team,
Would you kindly clarify the following question about the datasheet?
the specification for max input and output current for pins CHG and DSG is listed as 1mA. (Page 6 of the specification). In the sample schematic that is…
Part Number: BQ77905 Hi Team,
There are some items that our customer want to confirm, please see details below.
1. When connecting the voltages to VC1 through VC5, does it matter what sequence these are connected to the battery? Will there be issues…
Part Number: BQ77905 Other Parts Discussed in Thread: BQ77915 Hi
i am planning to design a 5S1P battery pack using BQ77905.
Can i Know whether it has internal cell balancing or we need to put any external circuits for cell Balancing.
if there any docs…
Part Number: BQ77905 I have been thinking of using the BQ77905 as BMS. Since I am using 3 cells, it is better to have 2 NTC to sense the cell's temperature in a more reliable way.
I see that the BQ77905 only has one thermistor channel, is it possible…
Part Number: BQ77905 Other Parts Discussed in Thread: BQ76930 , Provide case details or comments:
We have a battery management system that incorporates a BQ76930 under processor control and a pair of BQ7790508 in parallel with the battery cells and BQ76930…
Part Number: BQ77905 Other Parts Discussed in Thread: BQ77904 Hi there,
I have a question concerning the Application Report "BQ77904, BQ77905 Functional Safety FIT Rate, FMD, and Pin FMA": On page 7 the open mode failures are described. Concerning…
Part Number: BQ77905 I'm using the bq77905 EV board which has the BQ7790500 version installed. Ran tests to verify OV and UV accuracy, I had no issues with UV the device shutoff 2.614V . But testing the OV the device shutoff at 4.160V which doesn…
Part Number: BQ77905 Dear e2e team,
I have a question about the load detection feature available on the BQ77905.
Since I have connected the battery charger to the output of the battery protector, the load removal detection would never be achieved after…
Part Number: BQ77905 I've made a 12S battery protector using the BQ7790522. Is three devices configured as 4S the correct way to do this?
What I am seeing is that the FETs both turn on and then 5 seconds later they both switch off. For testing I just…