BQ20z95 replace with BQ20z65
Hello,I am using BQ20z95 in a large scale and at this point it is not possible for me to go to another Circuit.So i need a favor from you.I need a Crystal Segment Display in Place of LED Display i...
View ArticleProduction difficulty bq20z45 with Advanced bqMTester and version 1.0.6 of PC...
Subject: Production difficulty bq20z45 with Advanced bqMTester and version 1.0.6 of PC software Ed Walker, We are able to load a golden .DFI file and calibrate our project with BQEASY.For production...
View ArticleBattery Fuel Gauge
Hi, I am new to Battery management.I need to measure the battery remaining and guess the backup time for a LIPO 11.1 V, 5AH,3 cell battery.I feel the fuel gauges are right technology for this...
View Articlebq20z65 permanent failures
I am using a bq20z65 and am encountering permanent errors during thermal cycling of my battery. I have a temporary thermal cutoff device in the pack that trips during the cycle. When the device...
View ArticleBQ34Z110 CHG Flag
HiI am using bq Gas Gauge Eval s/w bq34z110 v0.04Is it normal that, during a "Step 8 Optimization Cycle" on a 12V 7Ah Yuasa PbA battery, a few minutes after the Flags.DSG bit is set, the Flags.CHG bit...
View ArticleGauge selection
I am trying to decide between your gauges for my application. I think I have it narrowed down to your bq27520-G4, bq27510-G2, bq27425-G2B, and bq27620-G1. I'd like to know if anyone can provide insight...
View ArticleBQ27541 register problem
I use the BQ27541 single cell BMS chip on a product we make. The customer is sending a few of them back because the fullCapacity register has weird values in it. I received the packs and the values are...
View ArticleBQ20Z65 Safety Concern
When the battery is depleted, the read-out status of BQ20Z65 shows that SUV or CIM_A are set in the permanent failure status area.At the same time, BQ20Z65 shuts off CHG , ZVCHG and DSG. After SUV and...
View ArticleAdvanced BQMtester HPA495 TIbqMultiStationNB2.18Setup.exe with BQ20z65R1 v1.05
Dear all,we use the BQ20z65R1 v1.05. We want to use the advanced BQMtester HPA495 Softwareversion TIbqMultiStationNB2.18Setup.exe, to flash and calibrate the BQ. The problem is, that we don’t have the...
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BQ34Z100 - bqEval Software - remaining capacity/full charge capacity error
Hi,I just bought the BQ34Z100EVM to monitor my 3.2V 10Ah LiFePO4 battery. I set the chem to ID 0415 (It is not the same manufacturer as the battery I have but same Ah), the Qmax Cell to 10000mAh. I am...
View Articlebq27425-G2A / Can't enter sleep mode
Hi everyone,Our customer evaluating bq27425-G2A by using EVM. At first they performed learning cycle by setting FC Set% = -1, after that they set FC Set% = 100 and performed charging and discharging....
View Articleneed a proper Chem ID
Good day!I'm using a bq34z100. Battery pack is K2B12V19EB. I spent a cycle charge - discharge and would ask you to pick the right Chem ID. thank you
View ArticleBQ2022A programming
HI All,I am working on battery identification ,useing BQ2022A & a 8-bit controller (Fujitsu) ,I write the c program to interface the BQ with controller according to the data sheet ,for testing...
View Articlebq27210 lower capacity measurement capability
my requirement is to monitor 72mAh battery.1) can i use bq27210 as battery monitoring chip?2) if yes what would be EEPROM configuration in order to work properly.3) what would be the sense resistor...
View Articleproblem with big batteries and BQ27510
Hello,I have a problem with the BQ27510-G2 when trying to obtain the golden image of two big batteries (18.9Ah and 20.4Ah). I already tried 3 times with both and I have the same behavior. During the...
View ArticleEV2300 Source Code, bq2022A
Could TI provide visual basic source code examples of ussing the EV2300 HDQ port?I have experience using the EV2300 through visual basic to perform SMB port functions, but not the HDQ port. We would...
View ArticleBQ34z100 Voltage Calibration Problem
Hi!We recently used a bq34z100 on a configuration with 16 iron phoshate cells in series. The bq has the firmwareversion 0.6.The voltage of the pack was 53160mV. When we tried to calibrate the voltage...
View Articlebq27425-G2A / Using with pulled down BIN pin to GND always
Hi Teams,Now our customer plan to pull down BIN pin to GND always to keep to set BAT_DET bit. Then they would like to know if you have any concerns to use with such configuration. So can you please...
View ArticleIs bq2052 the only single cell device for 3.6 V Primary lithium-thionyl...
Only a single-cell 3.6V, 2.6 Ah Primary Lithium-Thionyl Chloride (Li-SOCI2) battery will be used in this application.When check marking "Primary Lithium" battery in TI's Battery Fuel Gauge selector...
View Articlebq34z100 Temperature Sensing
Hello,I design a power management system for a battery pack consisted of 16 LiFePO4 cells of 40Ah in series.For this pack I chose to equip each one of the 16 cells with a temperature sensor... Through...
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