Part Number: BQ76905 Other Parts Discussed in Thread: BQ77915 Tool/software: Hi team,
Do we have balance devices can meet below request? Thanks.
Number of series cells: 4
Passive balance current: 100mA
No need for battery monitor (we can also recommend…
Part Number: BQ76905 Other Parts Discussed in Thread: BQSTUDIO , BQ76907EVM , BQ76907 Tool/software: Hi Expert,
The OCD1 in discharge is -4mV ~ -200mV in datasheet. The default is 68mV, so the max current is 68A. In my test, when the current is 10A, the…
Part Number: BQ76905 Tool/software: We have an external thermistor interfaced to TS pin, for cell temperature measurement. Attached image provides the NTC conversion details.
For 25°C, the resistance is 9900 ohms, with equivalent voltage of 0.595V…
Hi Maxwell
customer uses the free sample to build some prototype, and found there is not CHG and DSG driver signal. The schematic is shown as following picture. there are 3cells in system, we added a 9.6V input to simulate the battery.
if the default mode…
Part Number: BQ76905 Tool/software: Hi,
I am designing a 4s LiFePO4 battery pack and thinking of considering BQ76905 , with my current target budget this part fits perfectly, I observed that it is capable of driving protection FETs on the lower-side. …
Part Number: BQ76905 Tool/software: Hi support team,
When connecting 1S1P battery packs in parallel to use them as 1S3P, are there any recommended cell balance ICs?
Regards, Dice-K
Part Number: BQ76905 Tool/software: We need to configure a programmable timer in the AFE for 1 minute using these steps:
Enable the timer alarm by writing 0x08 to the Alarm Enable Register at address 0x66.
Set a 1-minute timer interrupt by writing 0x4C…
Part Number: BQ76905 Tool/software: Hi experts,
Good day! My customer is using BQ76905 in 4S project and have below 2 inquiries:
1. They connect following datasheet as below. For cell3, which cell voltage register is corresponding? The voltage for cell1…
Part Number: BQ76905 Tool/software: Hi Experts, What is the minimum pulse width inject to TS or VC0 to wake up BQ76905 from shutdown mode? Regards, Josel
Part Number: BQ76905 Tool/software: Is it possible to keep the keep the BQ76905 register values of UVP & OVP set to different voltage levels even after removal of supplies? Also for other register settings?
The use case for the battery pack is for…
