Forum Post: RE: BQ3055 Battery Management and Charging
Vikram,The data flash memory is divided into 32 bytes blocks. The yy corresponds to the sequence of blocks starting with 00 and counting to 3F in hexadecimal.RegardsTom
View ArticleForum Post: BQ27510 UpdateStatus does NOT = 2
I am trying to complete a learning cycle using a BQ27510 and bqEASY, but I keep getting the Update Status not = 2 error after the learning cycle is complete. I am following the steps in SLUA597 and...
View ArticleForum Post: RE: How to interface BQ2002T for Battery Backup system
The bq2002T is a 14 year old product and has limited information. It was designed as a cradle charger where the battery was placed in the charger and removed when charged.It is a controller and...
View ArticleForum Post: BQ29200 - Balancing Current
Hi,I've got a 2S LiPo with 3600mAh and a Controller-based charger (CCCV) which delivers 1300mA charge current. My Problem is the dimensions of the Resistors and the Capacitors in the circuit.Does the...
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Forum Post: Grounding BQ34Z100
Hi!We are designing schematics with BQ34Z100 and have the following question:Could the BQ34Z100 ground be connected to PACK- instead of BAT- as drawn on Figure 7.bq34z100EVM-001 Schematic?Possible...
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Forum Post: RE: BQ25070DQCR lack of CV effect on LiPo reliability
Any data to support this on charging LiFePO4 and charging other Lithium ion cells is appreciated.Also noteworthy is the change in cycles x capacity of Lithium cells vs Depth of Discharge (DoD) vs...
View ArticleForum Post: RE: BQ20z75, CHG and PCHG FET are off
Hi Ramiro,Such error states is not a common issue. Can you extract a .senc file from an actual device that failed and was not able to be recovered? thanksOnyx
View ArticleForum Post: IC selection assistance - Li-poly backup scheme
Greetings. I am in the process of building a system that will charge a small capacity lithium polymer cell (~80mAh) from a larger capacity li-poly cell (~400mAh) – not unlike the larger capacity...
View ArticleForum Post: RE: BQ2002T Unknown state between Fast Charge and trickle
It looks like the constant charging current from the 10k resistor may help a bit to eliminate the undetermined state between fast charge and trickle (or top off), possibly by adding another 1mA to the...
View ArticleForum Post: bq77910A- Stackable circuit
(Please visit the site to view this file)Hello,I am working on bq77910A for higher no. of cells in series Configuration. I have found technical document which is attached. I have some Queries:1. Is the...
View ArticleForum Post: RE: BQ24610RGET Battery charger minimum output voltage
Im using the battery charger controller BQ24610RGET in my circuit.i have an query regarding the part number kinndly provide your answer.Specifications:Adapter input voltage:5VDCBattery charging...
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Forum Post: INT-BQ25504 Suggestion on BAT OK settings
Hi,I would like to ask you some help on a preliminary test I am doing using the BQ25504. The BAT OK output is used to enable periodically the TPS62736 which is connected downwards (on VSTOR), to...
View ArticleForum Post: RE: need help in usage of bq3060 with BqEASY
thank you very much tom,i got it. i will upload.RegardsSantosh
View ArticleForum Post: RE: Can't locate MaxError value in BQ34Z100 evaluation software
Ilja,The bq34z100 does not have the MaxErr parameter. The learning cycle is complete when Update Status changes to a 06.RegardsTom
View ArticleForum Post: RE: BQ34Z100 and CHEM ID
I am able to use the Flash Tester program to get the .ROM file, but the ChemID is blank when loaded into the bq34.
View ArticleForum Post: RE: golden image dfi problems
Glad you have been able to complete your learning cycle. The gg files contains only user-accessible data flash constants (no chem id data) while the dfi contains encrypted data flash memories (same...
View ArticleForum Post: RE: flashstream and dfi
[quote user="Kishan Illur"]Hi dMax,Could you please send me the flashstream tool and example code files. I have sent you a friend request.Thanks[/quote]dMax,Please send me those files as well. I have...
View ArticleForum Post: RE: BQ20z75, CHG and PCHG FET are off
Hello Ramiro,Thanks for responding!We think we've configured everything correctly, all other registers and parts of the device are working as expected. We are working with the tech ref doc for our...
View ArticleForum Post: RE: bq20z65 Problem with FETs opening/closing
Also the bq20z65 can turn the charge fet off when fully charged if the chgfet bit flag is set in the operation cfg B of the data flash. with regards to the discharge issue, check that your CPE, HPE (if...
View ArticleForum Post: RE: BQ29200 - Balancing Current
Hi Rico,The values of the resistors and caps are in the recommended operating conditions of the document which you attached. Pg 3. The balancing current is dependent on how much additional load which...
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