Forum Post: RE: BQ40Z50 and Battery Management Studio
Serge, Are you using Windows 7? If so, did you select the Run as Administrator options when running the setup program? This is required to setup the GUI to run properly. If you did all of that, then...
View ArticleForum Post: bq25504EVM for charging battery
i donot want to change the resistors on the bq25504EVM board. which type of battery is suitable to charge using the default OV and UV settings of the bq25504EVM?I couldnot find a battery in the market...
View ArticleForum Post: Battery Fuel Gauge Requirement for BQ24650
Hi TI,We are using the Battery Charger part BQ24650 in one of our upcoming proto modules.The battery pack planned is 3.7V, 2000mAh rating.We are in need of a battery fuel gauge part that supports...
View ArticleForum Post: RE: Bq34z100 Control and Block commands
I have tried reading the CHEM_ID using method described in subsection "Read/Write I2C Byte" AA 00 08AA 01 00AA 00 AB 00AA 01 AB 08having the I2C commands send from my MCU. The bq response was 00 08...
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Forum Post: RE: BQ25504 - Vbat_ok drops down on Vbat_ov level
Good new everyone!I solved the problem with Vbat_ok dropping. My devices now have new 4-layer PCB design. I am attaching the top layer as a reference. Mainly, I used PCB polygon to connect inductors...
View ArticleForum Post: BE34Z110 - Using a Hall Effect Current Sensor + Wireless...
Dear Sir/Madam,We are considering incorporating the BQ34Z110 into a lead acid battery monitoring system, however the battery system is an existing one (consisting of several bats in a string) and we do...
View ArticleForum Post: RE: Battery Charger Forum Ground Rules
We are in a process of making “lithium polymer battery” charger with following specification:1: voltage: "12 V " 2: Power: "4400mah"3: Operating temperature during Charging: "0-45℃"4: Charging current:...
View ArticleForum Post: RE: Bq34z100 Control and Block commands
I tried the sequence and it return the correct ChemID.AA 00 08AA 01 00AA 00 AB 07AA 01 AB 01Could there be other I2C communications occurring during the sequence? That can corrupt the data.
View ArticleForum Post: Reg minimum VCC operating voltage for BQ24650
Hi TI,We are using the part BQ24650 in one of our proto modules.As per operating conditions in electrical characteristics of data sheet the minimum Vvcc_op is 5V.In our application we are providing...
View ArticleForum Post: RE: bq25504EVM for charging battery
Several manufacturers make 3.0V rechargeables. Tenergy is one such manufacturer.
View ArticleForum Post: RE: BQ25504 battery management evaluation board BQ25504EVM-674
Try a Tenergy 3.0V battery.
View ArticleForum Post: RE: Battery Charger Question
bq24230 with power path and bq25100 are our two chargers targeted for low charge currents.
View ArticleForum Post: RE: BQ40Z50 and Battery Management Studio
The bq40z50 may be in sleep mode. SMB communication is off in sleep mode. Applying a charge or discharge current will wake it up.There is text just below the list of devices that indicates the device...
View ArticleForum Post: RE: bqevsw New Device Not Listed
It is possible to get around the whole issue by running bqEVSW as administrator. (Right click on the shortcut to display the menu to run as administrator.) This is the typical workaround to use older...
View ArticleForum Post: RE: BQ24003 Charge Timer Resume vs Restart
At the top of the second column on pages 14 and 16, the datasheet says that the IC suspends the timer if APG/THERM is outside the limits set by the user. The flowchart on page 13 says that toggling...
View ArticleForum Post: RE: BQ24032A OUT pins Oscillate
I jumpered the ISET2 line to VBUS and the oscillations went away. I think the USB 100mA current setting was starving the charger. The confusing thing is that I expected the BQ to switch to battery...
View ArticleForum Post: SMBus vs I2C on BQ76940EVM
Hi,We are in the final stages of our design and we used the bq76940EVM for development and we are pretty sure of the answer, but we wanted to confirm our understanding.After reading the datasheets and...
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Forum Post: RE: BQ24250 switching frequency
Hello, WenjaThank you for your quick reply.VIN in 5V by AC adapter. The system load is 500mA. The VBAT is true battery and seems CV.Before battery removal switching frequency is 1.5MHz not 3MHz. And...
View ArticleForum Post: RE: BQ24040 : no charge current
Dear Jeff:I measured three values on 4 pieces with the problem :Vts : 155mV; Vin = 5.1V; Iin = 0.450mAVts : 155mV; Vin = 5.1V; Iin = 0.512mAVts : 478mV; Vin = 5.1V; Iin = 0.790mAVts : 475mV; Vin =...
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