BQ27421-G1 configuration Issue
Hello,I'm trying to change some parameters on the BQ-27421-G1A but I'm always have an error.I want to change Battery capacity, TCA parameters (clear set), FCC parameters, SOC1 parameters, SOCF...
View Article3-cell standalone balance circuit
Hello, I need a 3-cell balance standalone part. I found for 2 cell and for >4 cell. Does this part exist?Thanks,Adina
View ArticleDischarge Completion and Charge Completion ON in same time
Hi,Chip(BQ78PL116)I received the batteries after sales service, the flag of DC and DC flag is set to 1.This occurs because the standby power consumption of the product is below the Transition to Idle...
View ArticleBQ78PL116 : loss firmware and loss calibration
Hi,I encounter serious problems in production.Two separate problem :- loss calibration- loss firmwareLoss calibration :I conducted several tests to understand the problem.The chip is started with the...
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BQ20Z90 OC test issue
Hi,I have an issue after performing an OC test.Set to cut off at 50A load, recover at 200mA after 8s.this is a screenshot of after load, the gas gauge does not recover, and a few data's and flags did...
View Articlebq76920: Lowest practical sense resistor value?
Hello,We have an application for the bq76920 and bq76930. The discharge current level varies from about 5A - 35A (continuous) with pulses of up to 200A for one second and up to 400A for 20-40...
View ArticleBq27210
Hi,We have to use a battery gas gauge for our product. But our batteries are charged with an external charger.We think used a Bq27210, what's happened if we unplug batteries to charged them and...
View Articlebq40z50 AlarmWarning() broadcast
Section 4.11 talks about what triggers the AlarmWarning() broadcast to be sent to host or smart charger.But what is AlarmWarning()? There's no other mention of it in the TRM?
View ArticleProblems with connecting BQ34Z100, BQ24617 and battery?
Hello,I'm using BQ34z100 to monitor battery and BQ24617 to charge it. In BQ34z100EVM is manual how to connect BQ34z100 with charger. I'm confused because PACK- is already on GND in BQ24617 and if we...
View ArticleEV2300 64-bit drivers available for download
The "unofficial" 64-bit Windows drivers are now available for download from the Files section of the Battery Management forum.Here is the direct link:EV2300 64-bit Windows driversWhy are they...
View ArticleBQ27421 confusion in TRM
Hi,I am using BQ27421 for battery measurement in my project.I am writing a driver for it. I have referred quick start guide and TRM both.I have some confusion regarding configuration and data reading....
View ArticleBq27500 in multi-cell configuration, it's possible?
Hi,I need a System-Side Impedance Track Fuel Gauge for my product. it uses a multi-cell 2S Li-ION. Charge makes with an external charger, so it's possible to use the bq27500 on my system with a...
View ArticleBQ27421 hibernate problem
Hi,I am using BQ27421 to measure battery percentage (State of charge).When system goes to sleep mode , I am putting BQ27421 into hibernate mode, It's also going into hibernate mode.But When system...
View ArticleBQ30z554-R1 Technical Documents
I am planning on using the BQ30z554-R1, but only see the datasheet and technical reference manual on the product page. For other products (e.g. BQ20z95) I see many other tech documents like design...
View Articlebq40z50 Creating & using a golden data flash image
Assuming you've done a successful learning cycle on your pack, is this the sequence to create a golden data flash image for the bq40z50?1. Start Battery Management Studio.2. Go to the Data Memory tab...
View Articlebq40z50 senc file
I'd like to get a copy of the 40z50 senc file to prepare for the production process.Thanks.Tom
View ArticlebqEvaluation Software Autocycling for bq34z110
Hi,I am trying to use the Autocycling feature of the bqEvaluation software for bq34z110 in relaxation mode. I am currently using the I2C bus as communication channel and hence my configuration requires...
View ArticleAutocycling feature in bq evaluation causes software crash
Hi,I am currently facing a problem when trying the auto cycling feature:When I launch autocycling feature, it spits out the message:"Battery Status Not available. Any autocycle options based on battery...
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bqCONFIG 1.5.5.0 Crashes with bq27541-G1
I'm having problems with the bqConfig. When I communicate with the bq27541-G1 v2.24 I get the following crash:The text says:See the end of this message for details on invoking just-in-time (JIT)...
View ArticleCreating a DFI from golden bq34z100
Good Morning to All!I am trying to create a DFI from a bq34z100 and not had much success. bqEVSW has no problems over the EV2300 I2C port. Going to Production With the bq34z1xx (SLUA665) says to use...
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