hello @garrett , use of BQ25622EVM board doest solve our problem as we going to make our own custom PCB where only IC will integrate we cant put whole EVM board. 2) why u cant tell about vref ,without knowing vref how we can identified whether our value…
Hello,
The BQ25622E device is designed to work with an inductor in the range of 1uH to 2.2uH. I have attached the BQ25622EVM User's Guide document below in case you wish to reference the inductor selected by TI to be used on the evaluation board for…
Hi Ethan,
Please see relevant GUI and oscilloscope capture of 5V 3A charging with the BQ25622EVM. When input supply can provide the required current there is no large oscillations observed and IBAT ADC outputs expected value. This confirms the behavior…
Part Number: USB2ANY Other Parts Discussed in Thread: EV2400 , BQSTUDIO , , BQ25620 , BQ25622EVM , BQ25622 Hello,
On a recent update to my EV2400 tool, the Updater bricked the EV2400.
I have a USB2ANY and would like to use it as a replacement with…
Hi Kailun,
Please see my comments below.
The behavior described is not a known issue and when I attempt to replicate in lab testing with the BQ25622EVM I do not see any issue. Given this can you please help to answer my follow up questions below.…
Hi Dejan,
The below waveform is taken on the BQ25622EVM with 2.2kohm resistors for SCL/SDA pullup to SYS rail. SDA repeatedly driving low has no impact on SYS. The point being that I2C communication should not result in significant increase in load…
Hi Stanley,
Please see my comments below.
Let me first address question 6. If customer does not require boost they should also consider BQ25622E. It will be very similar to BQ25622, but without the boost mode feature and will therefore be less expensive…
Hi Simon,
Firstly, generally speaking for best performance regarding SYS regulation whenever a battery is not connected to your system charge needs to be disabled via either EN_CHG bit or /CE pin. This allows the device to have faster response to a…
Hi Nandor,
Please help to confirm if my understanding of your test setup is correct. You have both a DC load and the buck boost converter connected to SYS in the testing where you are modifying RILIM.
For the the 2nd and 3rd case the behavior is unexpected…
Hi MJ,
Regarding 1, on the schematic, if TS_BIAS and TS pin are floating, the host must disable TS pin feature using TS_IGNORE bit in REG0x1A[7]. Otherwise, the charger will report TS fault and not charge.
Regarding 2, the EVM for the 622EVM will…
