Forum Post: RE: BQ24090 Charging LED Blinking on USB Connection
[quote user="Charles Mauney"]The charge LED indicates when in charge mode so a flashing LED indicates that it is going in and out of charge mode.Check the 5V input and make sure it is not dropping out....
View ArticleForum Post: RE: BQ3055 Battery Management and Charging
Hi Tom,In the BQ3055 TRM, "DFRowAddress(0x01yy)", what does the yy corresponds to ?What is the "Variable Offset" values to be considered for each of the parameter (ie. CC Gain, VC2 K-factor, etc).
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Forum Post: RE: BQ2057w charger - Pass Transistor heats too much
Thanks Charles,But it is not possible to have 4 sq inches of copper on PCB , its too big. How do I minimize the heat ? any other solution Is there any issue with schematic ?
View ArticleForum Post: RE: bq34z100 with chemistry ID 0162
Tom, another question.In the production program of chemistry through the program bqEVSW uncomfortable.If I understand correctly, the information on the chemistry contained in the .senc file.It turns...
View ArticleForum Post: bq27500 error 772 during calibration
For a new batch of boards I wish to re-calibrate the bq27500-v130 for a modified pcb layout around the sense resistor.Using the EV2300 and the bq evaluation software (version 0.9.90) I can load the...
View ArticleForum Post: RE: bqEASY Impedance Track Algorithm
Thanks for your responses,Eric, if you could clear up the discrepancy between no load and an electronic load.By electronic load, do you mean a simple negative current source, or a resistive load that...
View ArticleForum Post: RE: BQ20z45R1 - FET's are open permanently
Hi zSzYour screenshot isn't clear so I can't see if any of the pf failure bits are set. If they are, this will prevent the fets from coming on. To clear the pf bits if any are set, write two word...
View ArticleForum Post: RE: BQ2002T Unknown state between Fast Charge and trickle
If I power cycle the board sometimes the misbehaving channel will work. I have not removed 5 of the six chips to see if that solves the problem. You may be right, I was leaning towards some noise/...
View ArticleForum Post: RE: bq77910A- Current Measurement resistor
First check your differential voltage level at the SENSE pins to be sure it is what you expect. The part detects the voltage at the pins, not the actual current. It can be difficult to get a good...
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Forum Post: bq76PL536 reverse voltage protection
Hi,I'm implementing an uninterruptable power supply design with a 60s2p, 240V Li-Ion battery stack. There are 12 bq76PL536 BMU ICs, with a 5s2p configuration per BMU. Some current will be drawn from...
View ArticleForum Post: RE: BQ34Z100 and CHEM ID
I am also using the bq34z100 and am trying to figure out how to extract the ROM file. I downloaded bqMTest using the link provided but the bqTester ROM imager does not show the bq34z100 in the list...
View ArticleForum Post: RE: Bq3060 failing to Set charge termination
I'm still seeing some controllers do this. Does anyone have any insight?Thanks
View ArticleForum Post: BQ34Z110 Does not operate as expected. Cannot optimise the gas...
HiI am trying to get the BQ34Z110 optimised for a 12V 1.2Ah lead acid battery. I have followed the "Design Steps" instructions on the datasheet to the letter several times but I am still getting...
View ArticleForum Post: RE: Bypass bq25504 under 1.8V
He means having a separate buck converter with its input tied to VSTOR and its output set to 1.8V. The TPS62736 is buck converter designed for energy harvesting apps.
View ArticleForum Post: BQ34Z100, missing 6100.chem file
Hello everyone, I would like to ask, if there is an official support for 0x6100 chemistry (the only NiMH) in BQ34Z100. When I want to load the .chem file to the gas gauge, I get a pop-up message...
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Forum Post: RE: BQ2002T Unknown state between Fast Charge and trickle
I populated a board with just one bq2002T, trying to charge one 9V battery.It looks like it is a threshold problem with the combination of the bq2002t and the battery. If the battery doesn't fully...
View ArticleForum Post: Configuring the Bq34Z100
I am new to TI parts and have purchased a Bq34Z100 Evaluation module. I would like to use the Bq34Z100 in my current design which has two Lithium Iron Phosphate batteries connected in series. I...
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Forum Post: Simple lipo charger
Hi there, I'm a newbie to electronics. I'm looking at getting a pcb made up which will require a charger for a 2000mAh lipo battery. I saw the bq24060/64 (shown below), but i'm not sure if it is...
View ArticleForum Post: RE: bq76PL536 reverse voltage protection
Seth,I will give you one more way out :) Take a look at the following Quick Guide for the hot swappable device. http://www.ti.com/lit/ug/sluu437b/sluu437b.pdfThanks,
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Forum Post: RE: Simple lipo charger
By the way, if I used the bq24060/64 , could I just ignore the Power Good pin, and wire it as shown? [quote user="Jeff Binns"]Hi there, I'm a newbie to electronics. I'm looking at getting a pcb made up...
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