Forum Post: RE: BQ24032 battery remove and insert issue
Hi,using an unmodified EVM, I cannot reproduce this behavior in our labs, neither in constant current nor constant voltage mode.Could you perhaps give us more information how both pins, STAT1 and...
View ArticleForum Post: RE: About BQ33100EVM
Hi Yale,The ss bit will be set in the operation status register if you are sealed. Pls reference the data sheet for usage. writing to data flash can only occur if you are unsealed.thanksOnyx
View ArticleForum Post: RE: About BQ20Z95 INIT Flag
The INIT bit is supposed to remain set all the time during normal operation. If a reset command (41) is set, it momentarily clears indicating certain parameters are being initialized and gets set once...
View ArticleForum Post: RE: BQ33100. connect more than 5 ultracapacitors
The max value that can be written in the design capacity of data flash is 65535 F. However bear in mind you will need a corresponding appropriate learning load to be able to measure the capacitance and...
View ArticleForum Post: RE: bq34z110 update status
3rd recharge cycle .gg file attached for reference (renamed to .jpg)Thanks,George
View ArticleForum Post: RE: bq20z45 evm blocks charging current
Please see the attached example code.note, this is for evaluation only and is unsupported so we are unable to offer any more code support beyond this.(Please visit the site to view this file)
View ArticleForum Post: bq24160 keep registaer setting
HiCan bq24160 hold the input register even if voltage descended?Is the register default setting if VIN becomes under UVLO?Regards,PAN-M
View ArticleForum Post: RE: bq27510-g3 qmax update ko
Re,my problem seems to be the 4,1V charging voltage instead of 4,2V. Is there a documentation to perform a golden image for this configuration ?During my EVM tests, TI support said to me : "your...
View ArticleForum Post: RE: BQ24650 output voltage problem
Respected Sir,The power supply that I am using is a variable supply of 0 - 30 V and 3 A current rating. The MPPT divider has been adjusted to give the voltage above 1.5V. But that voltage is not...
View ArticleForum Post: BQ3050 does not update remaining capacity field
We are using the BQ3050 in a 3S2P configuration. The cells have a capacity of 4400mAh each. We are experiencing a problem with the remaining capacity which is not getting updated on several packs.All...
View ArticleClik here to view.
Forum Post: DV2004HS1 Charging principle
Dear TI,I have been trying to understand the working principle of DV2004HS1. I want to evaluate a NiMH battery pack ( 7.2v, 2700mAH ). My question isIf MOD pin gives PWM pulses that control the...
View ArticleClik here to view.
Forum Post: bq24610 oscillating between Battery & DCin, possible punch-thru
Hello,I've been wracking my brain and chasing my tail as to why my bq24610-based system is behaving this way. My circuit is virtually identical to the datasheet's 'Figure1', with values set for a...
View ArticleForum Post: bq34z110 optimization problem (cannot finish step 7)
I'm optimizing bq34z110 for 12 V 7.2 Ah lead-acid battery. I'm following DESIGN STEPS from datasheet and information from this forum.Currently gauge is in UpdateStatus=5 state and the battery is...
View ArticleForum Post: RE: BQ24160 not using data lines
The D+/D- terminals have internal pull ups and pull downs.
View ArticleForum Post: bq34z100 impedence tracking / optimization not functional
I'm implementing the bq34z100 in a system monitoring a 12S LiFePO4 pack. I have attempted calibration using both the procedure outlined in the forums and the alternate procedure recommended for the...
View ArticleForum Post: RE: bq24650 / removing the D1
Hello Ryuji,They could use a high-side P-FET like what is seen in Figure 3 of the App Note here: http://www.ti.com/lit/an/slva139/slva139.pdfThis will give them reverse voltage protection and improve...
View ArticleForum Post: bq24707A / bq20z75 - charging status MCHG
Dear all,I am using the bq24707A in a none host application where the charger is controlled by the gas gauge bq20z75. The system seems to work fine - but from time to time Charging status flag MCHG...
View ArticleForum Post: RE: BQ24650 Questions
Hello Nick,What are your panel voltages for the two different configurations? Do you have a system diagram that you can share?1. You would no longer need a charger that is optimized for MPPT. With the...
View ArticleForum Post: RE: BQ24610EVM - The Required Modifications for 3Cell Battery...
Mr. Mauney. thank you for your quick reply. I have an another issue. On this EVM, the safetytimer is set to 5hours. Do i need to set the safetytimer to different time interval for my application? Thank...
View Article
