bq3060 Max error 8%
Hello!I have a battery pack(BP) of Lifepo controlled by a BMS with bq3060.When I first mounted the BMS in the BP, I did some full charge and discharge cycles.In the first discharge cycle, when the...
View ArticleBQ34Z100-G1 - current calibration problem
Hi, I recently bought bq34z100evm in order to test its possibilities for use in a custom project. I'm using the evalboard in combination with TI's EV2300 USB interface, bqStudio v 1.3.52 and a...
View ArticleI want the bq34z950 bq Evaluation Software
Hello team,I am using the IC bq34z950 to starting a new project now,and having the EV2300,but having not the specific BQ Evaluation Software for bq34z950.Can you get the software or the link of it sent...
View ArticleCan't generate good golden image (bq34z100-g1)
Hi,I am working with a new design that contains a bq34z100-g1. I connect to it using a EV2300 and Battery Management Studio 1.3.45. I have checked that there is no other i2c communication in the bus....
View ArticlePrograming BQ40z60 via microcontroller
Hey Guys,i read some forum topics about programming the BQ40z60 via microcontroller. And it seems to me, that it's not possible to program all the necessary data so easily to the device.Is it possible...
View Articlebq40z50 current draw
Good day,We have an application that uses the bq40z50, and we are seeing what appears to be a fairly significant voltage drop per day.On average it's about 80mV per day even with the pack in sleep...
View ArticleWhy bq300 Maxerror 8% in the system?
Hello. I have a bq3060 battery pack return from host system, MaxError is 8%, but the MaxError is 2% when ship out. Could you please provide some possible for this phenomenon?Please verify your data....
View Articlebq34z100-G1 recommended default register settings
For part number bq34z100-G1; what are the recommended starting or default register settings to begin software driver integration/development?
View ArticleBQ34Z100-G1 Jumping to 100% SOC Early in Charge Cycle
Hi Guys,I have been haviong trouble with the BQ34Z100 jumping to 100% state of charge early when charging. I have been using a charger that chargers and every few seconds will drop the current for a...
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BQ40Z60 - Problems getting charging to work
Hi,I have a custom board that I'm having troubles getting the charging to work. Everything else seems to be fine.We have a 4S 1P system (to be changed to 4S 8P but I want to get this working first)We...
View ArticleSetting up BQ28Z610
I have a custom PCB with BQ28Z610 as the gas gauge to be used with a Single Cell. I don't have access to I2C connections from outside, but have them connected to the Micro Controller. The chip comes...
View Articlebq2014H / TI Evaluation software
Sorry to disturb you with this old bq2014H component but we bought 1000 printed circuit board with bq2014H.I would like to check the communication with bq2014H and check register values.The EV2200...
View ArticleBQ28Z610 connections when cell balancing unused?
I'm working on an application which will have two Li-Ion batteries in a holder, where the mechanical constraints on my system prevent me from adding protection circuits within the batteries and also...
View ArticleBQ34Z100-G1 question
Date flash programming and calibrating the BQ34Z100 family of Gas Gauges,where can I get the manual ?
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bq27520-g4 CHG flag
Hello My Customter is evaluating BQ27520-G4 using EVM. ( gg file attached ).Attached image is their read-out from BQ27520-G4 when charging versus time.The issue is even though charging finished,...
View ArticleConfiguring a BQ34Z100-G1 directly through I2C
Dear TI,I have a BQ34Z100-G1 IC connected on my own PCB design, and I'd like to set some configurations and calibrations in the IC through I2C. The user guides mention how to do this with...
View ArticleCharge restart parameters on BQ3060
Hello all.I couldn't find the parameters which determines when battery will let charging happen again after it has been fully charged.For example - I charge my battery to 100%. If I discharge it to 99%...
View Article2-cell Battery Reverse Protection
I am hoping to use the bq28z610 as a protection device and fuel gauge for a product with two user-replaceable batteries. How do I protect the device and my circuit from both batteries being inserted in...
View ArticleBQ40z50-r1 CRC PEC
Hi,I am required to verify the data integrity in the SMBus connection between an MCU and a BQ40Z40-R1. There are no specifics in the documentation I read and I would like to know how should it be...
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BQ3060 crashes
Hi All,I'm designing a LiFePO batterycharger/UPS for a client. Our client supplies the battery, equipped with a BMS (not of our design) based on a BQ3060. During charge and discharge there is regular...
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