Part Number: BQ76905 Other Parts Discussed in Thread: BQSTUDIO Tool/software: please provide steps to change the IC() from SEALED to FULLACCESS mode, i do not have the security keys with me currently.
Part Number: BQ76905 Tool/software: Hello,
I am looking for a part to monitor the voltages and polarity of individual cells in a 3S configuration.
We have a hard requirement that each individual cell should be replaceable in the field.
I saw that the…
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 Other Parts Discussed in Thread: BQ76907 Tool/software: Hi, I'm looking for a device which can monitor / protect (cell balancing) a 2 series Li Ion cell akku pack. The device should a have an output if akku is good or bad or a failure…
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…
