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bq40z60: ac adapter input current spike/oscillation
Part Number:bq40z60I have a board with a bq40z60.We notice that there is a huge input spike of current when CHARGER_EN is toggled, then the current goes to zero before reaching the correct value.This...
View Articlebq34z110: I'm using the Atmega128 and BQ34Z11. Help me please.
Part Number:bq34z110I'm using the Atmega128 and BQ34Z11. I use the I2C between the Atmega128 and BQ34Z11.When I construct the my circuit based BQ34Z110, refer to this website...
View ArticleBQ40Z50-R1: BQ40Z50-R1 into ROM mode without any command
Part Number:BQ40Z50-R1Hi,My customer usse BQ40Z50-R1 to desig battery pack.They found the BQ40Z50-R1 already in ROM mode before any parameters update.Is there any way cause BQ40Z50-R1 into ROM automatic?
View ArticleBQ78350: Data Flash values changed during regular operation.
Part Number:BQ78350Hello,I am using the bq 78350 in a BMS.I am experiencing data flash changes during work, the device is not sealed, but it is not connect to any interface that can change the DF.Is...
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BQ34Z100-G1: Charging and Charge Termination Indication
Part Number:BQ34Z100-G1Hi. I have noticed that FC flag is set when the battery is not really fully charged. I want my battery to stop charging when its voltage is 16,8V and current has dropped to 1A....
View ArticleBQ27510-G3: JEITA standard implementation
Part Number:BQ27510-G3Hello , Is it possible to implement JEITA standard in BQ27510-G3? If it is not possible suggest equivalent Gas Gauge IC? Charger I am going to use is "BQ24773 - NVDC based" and...
View ArticleBQ34Z100EVM: Chemistry programming Error: Packet checksum mismatch
Part Number:BQ34Z100EVMHello,I have the last update of the chemistry database (Chemistry version: 555) and I am using bqStudio 1.3.59. When I try to program chemistry to ID 808, I get this error. Does...
View Articlebq40z60: Failed firmware update has corrupted chip firmware and can't recover.
Part Number:bq40z60During a firmware update of the bq40z60 the update failed. Now the chip seems unrecoverable due to a corruption of the on chip firmware. Is there a way to recover or does the chip...
View ArticleBQ27741-G1: Issue on Remain Capacity and remain capacity
Part Number:BQ27741-G1I am using the BQ27441 gauge IC to calculate a 1320mAh LiOn battery remain capacity and state of charge.Those values are not correct.I have the BQ25504 nano power that gets power...
View ArticleBQ34Z100-G1: Incorrect True RC and True FCC after learning cycles with a...
Part Number:BQ34Z100-G1Hello,We have a 6S9P pack utilizing 5.4 AH/3.8 V cells that we are utilizing the BQ34Z100-G1 gauge with. I have tried this with several packs now, I setup all of the parameters,...
View ArticleBQ34Z110: I'm using BQ34Z110. and I meet problems. I want a help
Part Number:BQ34Z110Hello, I'm Denis Jeong.I'm using the Atmega128 and BQ34Z11. I use the I2C between the Atmega128 and BQ34Z11.When I construct the my circuit based BQ34Z110, refer to this website...
View ArticleBQ27542-G1: Programming fuel guage using .dffs file
Part Number:BQ27542-G1I am using bq27542-g1 fuel guage. I need to update the firmware with .bqfs and .dffs file, which client has provided me. We use a custom code for programming, since we dont have a...
View ArticleBQ40Z50-R1: If
Part Number:BQ40Z50-R1I am trying to draw more than amps from a 8.7 two cell LiPoly pack. Anything above 8.7 amps shuts the battery down. I am trying to find a way to raise this level. I am using The...
View ArticleBQ34Z100-G1: Using the EVM board for evaluation
Part Number:BQ34Z100-G1I am in the process of creating a multi-cell NiMH charger/gas gauge using the BQ34Z100-G1 EVM and the LM3409 EVM but I see that the BQ34Z100 EVM is not equipped with mounting...
View ArticleBQ34Z100-G1: TS pin pull down network
Part Number:BQ34Z100-G1Hello,What is the effective input resistance to the TS pin? The datasheet mentions a pull-down network is implemented in the chip but does not provide the input resistance. In...
View ArticleBQ4050EVM-561: CEDV Configuration for the first time
Part Number:BQ4050EVM-561I am planning to purchase the EVM of bq4050 for evaluation. In the first run, how does the firmware know the CEDV details of my battery pack? Does it obtain it from the...
View ArticleBQ78350: Data flash corruption detection
Part Number:BQ78350Hi,I have experienced some values changing in the DF of the bq78350 during work.I would like to validate the DF does not change its static values, I can see there is a...
View ArticleBQ34Z100-G1: BQ34Z100-G1 Datasheet Figure 16. Multi-Cell and 5-LED Display,...
Part Number:BQ34Z100-G1i got a question, BQ34Z100-G1's datasheet has a reference design schematic, (www.ti.com/.../bq34z100-g1) page 48 of BQ34Z100-G1 Datasheet Figure 16. Multi-Cell and 5-LED...
View ArticleBQ40Z50-R1: Interface with BQStudio over third party device
Part Number:BQ40Z50-R1Dear all,please confirm if I can use MCP2221 USB To UART/I2C/SMBUS as a interface (bridge) for the BQStudio.I have searched a lot on this topic and wasn't able to find proper...
View ArticleBQ40Z50EVM-561: Unable to connect Batterypack
Part Number:BQ40Z50EVM-561Hi, Im trying to evaluate the Bq40z50-r1 for my Bachelorthesis. I installed the Studio and the Ev2300. I works fine, i think. But as soon as i connect the Batterys to the EVM....
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