Forum Post: RE: USB single cell charge on two cell system
Hello Mark,You could look at the TPS61041 or TPS61040. These are simple boost converts that provide good efficiency with minimal external components and provide with with a simple single pin...
View ArticleForum Post: RE: I cannot duplicate the same calculation shown in page 17 of...
Hello Kwang,Apologies for the delay.I will have to look into your question, but in the mean time have you worked with the calculator tool?http://www.ti.com/lit/zip/sluc175The TS calculations are found...
View ArticleForum Post: RE: BQ24295 EVM - incorrect current limit
Hello Natallia,Could you please post the solution for others that may encounter any similar issues?
View ArticleForum Post: RE: Bq24013
Hello,I discussed this question with one of my colleagues and the consensus is that the pre-charge timer is not disabled when /TTE is used.However if you want to run in pre-charge for longer than the...
View ArticleForum Post: RE: bq27621-G1 gas gauge suitable for 50 mAh lithium polymer...
Hello Jonathan,The bq27621 will support capacities less than 100 mAh.For the smaller capacities, they should follow the section you have pointed out in the Quick Start Guide.Thanks,Kang Kang
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Forum Post: BQ2000 reverse flow issue
HiI have an unusual issue with my setup. It uses a 5V/1A wall wart as the power source.For 2 NiCD batteries in series this setup has been working fine but recently I needed to charge 4 NiMH batteries...
View ArticleForum Post: BQ2954 Input Voltage Range
I am trying to determine whether a commercially designed battery charging product based on the BQ2954 is capable of operation using an input voltage other than that provided by the power supply...
View ArticleForum Post: RE: bq40z50 - how to start
DIrk,The device is shipped with a default 3S configuration. Most of the parameters are cell based, but you do have to adjust the Design Voltage, Design Capacity (cWh) and the number of series cells in...
View ArticleForum Post: bq27510-G3 downgrade to G2 firmware
All,We are proceeding with the manufacturing of our product and initially, we had bq27510-G2 however, due to the time schedule and the availability of G2(out of stock) from our supplier, we had decided...
View ArticleForum Post: BQ34Z110 optimization at less than C/10
Hello,We have a large battery bank (110Ah 24V) which will see a typical load of 2.5A, max of 4A and our shunt is designed for 5A.To run an optimisation cycle, everything says we should use C/10 which...
View ArticleForum Post: Testing bq20z65 R1
Hi,I'm developing a test bench for PCBs using bq20z65 and I apply a constant voltage and a separate current for simulating a battery. I have a test to simulate overvoltage and undervoltage : I apply a...
View ArticleForum Post: RE: bq27621-G1 gas gauge suitable for 50 mAh lithium polymer...
Hi Kang,Thanks for the quick reply and confirmation.Jonathan
View ArticleForum Post: RE: BQ25504 EVM: Charging Supercap from 1V to 3V
The LBUCK node doesn't look correct. It should be pulsing well above 0V. The waveforms are reasonable. VIN_DC will have repeating pulses up to the sources open circuit voltage every 16s. From your...
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Forum Post: BQ2031 Maintenance charging question
Hello TI support teamWe are testing BQ2031EVM for 12V 7AH SLA battery, we set Two-Step Current Algorithm. JP1: HJP2: HJP3: LJP4: HJP5: 6 cell.We observed spike current during maintenance charging(see...
View ArticleForum Post: RE: bq40z50 - how to start
Hi Tom,i've missed the "DA Configuration" register. Now the Device stays ON. However the Pack-FETs are turned off. I tried the 0x0022 "FET Enable Command" but nothing happens. Neither discharging nor...
View ArticleForum Post: RE: How to make the Gas Sensor Application display Volts (mV)...
Dan,Are you using a TI reference design? Like this one? http://www.ti.com/tool/gassensorevmIf not, can you give me the reference page of the Evaluation Module that you are using. It will help us...
View ArticleForum Post: Changing the charging voltage and charging current in the...
I am using Gauge Studio version 1.4.1 with an EV2400 and a BQ27530EVM. The battery cell I have attached is manufactured by Hangzhou Wanma high-energy battery co LTD, model number PL703562. The...
View ArticleForum Post: RE: bqMTesterS and the .NET environment
Hi Frank/Leonard, Were you able to get a new OCX compiled in a newer version of .NET? I have similar issue (program crashes) when running with the old Bq80xRW.OCX loaded in VS2008. Thanks, Al
View ArticleForum Post: RE: BQ76PL536A-Q1 heavy noise on data lines to host
Hi Benjamin,Can you please try to remove R604 - 607 and R704 - 707 on the midd stack CSC boards? The way you are jumpering HC_TOP and HC_BOTTOM will have these resistors simply connecting all of the...
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