Some questions of BQ78350
Hi, I have some questions of BQ78350 and Gas Gauge Algorithm.question① What kind of algorithm is Compensated End-of-Discharge Voltage (CEDV) gauging algorithm? I think it's simpler than an impedance...
View Articlebq76940
Hi All,Hi have a question regarding the bq76940. Where can I find the source code that the application notes refer to?I2C Communication Sample Code for the bq76940 with CRC Based on the MSP430 (Rev....
View ArticleStarting Cell Balancing
Hi,I'm using the BQ20Z655-R1. There are differences between the cell voltages. But the CB ( Cell Balance ) flag in the Charging Status is disabled while the charging. I am using the default Min Cell...
View ArticleBQ76930 Short Circuit Delay
Short Circuit Delay can be set with Bit 3:4 in Protect1 (0x06) Register. By setting Bit 5 the Delay can be extented up to 6ms.Why is this not described in the datasheet?
View ArticleBq20z65 - CUV problem
If I attach the load at -40 Celsius, the voltage across the cell temporarily drops to a level CUV. How to make undervoltage cell protection conditional upon temperature in the BQ20z65 ? The cells that...
View ArticleBQ34Z100 Impedance Track is ? 0x0021, 0x06 ?
Hi TomTable 4. CONTROL_STATUS Flags Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0High Byte —...
View ArticleBQ2084 seal/unseal problem
Dear All, We do development of battery pack based on BQ2084/BQ29312 and I´ve sealed this chip. There is no info how to unseal it in datasheet. BQ2048 evaluation software via EV2300 asks for some...
View Articlehow to monitor high voltage battery packs
Hey,I am working on a college project and I need the information of battery pack parameters over wifi on my PC.I have a msp430 launch pad and a cc3100 booster pack. Now am confused on which IC to use...
View Articlehow to monitor high voltage battery packs
Hey,I am working on a college project and I need the information of battery pack parameters over wifi on my PC.I have a msp430 launch pad and a cc3100 booster pack. Now am confused on which IC to use...
View ArticleBQ76920、BQ78350 question
Hello guys.I need your help.I’m in trouble with “battery Management Studio” of TI application software. I’m using bq76920 and bq78350 with Sanyo UR18650A battery as our system application. In the...
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 ArticleBQ27510-G3 returns wrong DEVICE_TYPE
Hi,I connected a BQ27510-G3 gas gauge via bq27510EVM/EV2300 to GaugeStudio. GaugeStudio itself identifies the BQ as -G3 device. Sending the command DEVICE_TYPE, the gauge returns 0x0510. Corresponding...
View Articlehelp required on BQ20Z665
hello, we have developed a Testing & Assembly procedure for Li-ion protection circuit with TI IC Bq-20Z655-R1.The procedure & Data Flash file is attached for your reference. 1) Kindly suggest...
View ArticleClik here to view.
BQ78350 manual and automatic control of FETs
Hi,We are currently trying to test the protections on the BQ78350 used with BQ76940.We are trying to enable and disable the CHG and DSG FETs but we can’t get them to open or close.We are using our own...
View ArticleInquiry regarding bq Evaluation 0.9.71 for bq27520-G4
Hello, allNow we have one inquiry regarding bq Evaluation 0.9.71 for bq27520-G4 from our customer.Please refer to the item below, and feedback us with your comment.When using bq Evaluation 0.9.71 for...
View ArticleBQ78350 KEYIN status in TRM
Hi,We have a question concerning the KEYIN status in the BQ78350.In OperationStatus() (BQ78350 TRM section 16.2.37), there is a KEYIN status bit. The explanation shows that KEYIN is independent of...
View ArticleBQ34z110 programming
Hi,I want to know if BQ34z110 can be programmed using some microcontroller I2C interface?
View Articlebq20z95 chemistry update for Panasonic NCA103450, 2200mAh
I have to do a new project with the qp20z95. It is a battery pack with 3s1p of the Panasonic NCA103450 cell. I use the EVSW with the EV2300 HPA002.My problem: The Panasonic NCA103450 is not in the list...
View ArticleBQ34Z110 for Panasonic baterries
Good morning,we're trying to measure capacity of battery by BQ34Z110. Could you send me please chemID (config file) for Panasonic LC-R127R2PG1? We've tried to ask manufacturer of battery, but we were...
View ArticleBQ27510-G2 Bqeasy battery cell characteristics
Hello,Question 1:Minimum rated cell voltage is required by bqEasy, but my cell datasheet only gives nominal voltage (3.7V), can I use the nominal voltage as minimum cell voltage? Question 2:After...
View Article