Clik here to view.
Unseal Bq20z95
Hello,I currently work with the softwares BqMtester and the circuit Bq20z95When calibrating the BqMtester has sealed the circuit.Now what is normal, I can not read data from flash memory: I would...
View ArticleClik here to view.
bq27425-G2A / Calibration value in Hex
Hi Team,Our customer would like to know the min/max/default value of calibration setting in Hex because they would like to compare the value which is read by bqEVSW or GaugeStudio.I would like you to...
View ArticleBq20z95 without thermistors
we are using the Z95 for the first time, and we were not planning on using thermistors in the design. Are there any problems with that? Looking at the literature it seems the chip will want to blow...
View Articlebq20z65-R1: Operation without host?
Hello,We have an application for a gas gauge that, for this first product, requires that it operate without a host. After reviewing the datasheet and the tech ref manual for the bq20z65-R1 it appears...
View ArticleBQ27500-V130 I2C Voltage levels
I am having difficulty achieving reliable communication with the BQ27500 using a PIC32 microcontroller as I2C Master. Reading voltage, current, temperature, SOC, TTE, TTF, Flags and Status; the data...
View Articlebq20z451 version 0511
Hi All !I have bq20z451 v.0511SEAL = ONQuestion: how to initiate the procedure UNSEAL?If someone knows - please write me an email: vvg@skyline.od.uaAny ideas - are welcome.Chip name: bq20z451 H/W...
View Articlebq20z65-R1: Wake from sleep flash settings confusion
Hello,After reviewing the Bq20z65-R1 TRM, I'm confused about the current settings we can use to have the gauge wake from sleep. We will be operating without a host and will set the gauge to Sleep when...
View ArticleClik here to view.
BQ34Z100 4 LED configuration ( 2 LED not lighting up )
I am configuring the BQ34Z100 to 2-in series cell ( LiFePo4 ) and is intending to use 4 LED and a tact switch. The schematics .I managed to link the fuel gauge to my EV2300 . And also able to get the...
View Articlebq27531-G1 /
Hi Team,Please let me ask about bq27531-G1. - Difference between Design Capacity and Qmax Cell 0 or Qmax Cell 1- Why does bq27531-G1 have 0 and 1 in Qmax cell though bq27531-G1 is for single cell?Best...
View ArticleSMBus-Communication between bq78PL116 and TMS320F28335
Hi,I'm currently doing a student research project that is based on the development of a battery management system with active cell balancing methods. For this, I am using the bq78PL116EVM evaluation...
View ArticleBQ27410 ROM erasing
Hi!I'm working on a driver for BQ27410-G1 chip. I use the slua595.pdf document, that contains"DFI Write Flow" algorithm. (Pages #9..#11 of SLUA595-June 2011.) According to Figure 7on page 9, I read 192...
View Articleunseal codes for bq 2084,bq 2085,bq2083,bq2086,
my company name is genuine batteries laptop and email address ib gblaptop95@yahoo.com. i need unlock passwords for bq 2084,2083,2085,2086 thanks
View ArticleUnseal BQ20842
Hello!I need the unseal procedure for a bq20842.Company name is "NTLine ltd." and email adress is karlos@ntline.netThanks...
View ArticleI2C Writing and Reading to the bq34z100
I am having difficulty reading data from the bq34z100EVM over I2C. I am using an Arduino Mega and have connected SDA to SDA, SCL to SCL and made sure both devices are sharing a ground. However, I...
View Articlebq27541
Dear sir,We want to integrate the BQ27541 to our battery PACK.I have a questions need consult you.if we use a bq27541, should we calibrate the battery? which value or profile should get for the...
View Articlebq27530 / Way to export dffs. file witout bqCONFIG
Hi Team,Our customer would like to know the way to export dffs. file without bqCONFIG. I and our customer know it can be done by using bqCONFIG but we can not resolve the error which is known in E2E as...
View ArticleMathcad Chemistry Selection Tool (Rev. BL)
Hi, Ti team I just use the new tool reversion. i could the get the ID with the default example? Who can help me for this? Best regards
View ArticleBQ34Z100 SOC and remaining capacity goes to ZERO
My fuel gauge PCBA is working properly, 2-in-series LiFePo4, HDQ communication port and 4 LEDs.The cells were fully charged, once I try to discharge it, the SOC goes to 0, and the remaining capacity...
View Article[bq27541] difference between Design Capacity and Full Available Capacity
(Please visit the site to view this file)Hello~I have several questions for bq27541-G1.I've checked the LOG file through the GaugeStudio Tool.Attached is Full LOG file.1. According to LOG file, "Design...
View Articlegolden pack generation with bq27500
Goodafternoon,i'm trying to create a golden file for my battery with the fuel gauge bq27500 chip.I have on my board th bq24160 battery charger a LiPo 8700mAh battery and a bq27500 ver. 1.30.From the...
View Article