Other Parts Discussed in Thread: BQ2040 We have been using the BQ2040 in a handheld computer for battery management with a 2-cell 18650 pack for many years with good results.
We have recently tried to change from using Molicell (MicroSun) 2400mAh cells…
Other Parts Discussed in Thread: BQ2040 , BQ34Z100 , BQ34Z110 , BQ34Z100EVM I am working on a new design that requires monitoring of a 20-cell (~29V max) NiMH battery. We need to charge it, monitor the "fuel level" during discharge and trigger a recharge…
Other Parts Discussed in Thread: BQ2040 Hello,
My question is about BQ2040: http://www.ti.com/lit/ds/symlink/bq2040.pdf
Can I directly power the component using 28 NiMH cells and a 2N7002 FET, whereas the Chart 1 page 3 stops at 12 NiMH cells ?
If yes,…
Other Parts Discussed in Thread: BQ2040 EV2200-40 evaluation system for bq2040: When I enter new data on the screen to write to the eeprom, I have a problem with Charging Voltage and EDVF. On both, as soon as I enter even a single number or character an…
Other Parts Discussed in Thread: BQ2040 I am currently evaluating a 4-cell Li-Po battery that uses the BQ2040 gas gauge. On its initial charge it requested ChargingVoltage of 16800mV. It is now requesting 'maximum' voltage (0xFFFF). The data sheet…
Other Parts Discussed in Thread: BQ2040 1.I am trying to use BQ2040 with 5S LI-cells by selecting R5=909K, R4=100K & R11= 1M. My max battery voltage will go upto 22.5 V. I checked Vcc also, it is range also.
Is there any other factor which I have…
Other Parts Discussed in Thread: BQ2040 , BQ3060 , BQ78PL114 , BQ78PL116 Hi All,
I am using BQ2040 for fuel gauging for battery pack of 6 Li-ion(2200mAH) cells in series, it incorporates cell balancing during charging cycle.
I am facing the below mentioned…
Other Parts Discussed in Thread: BQ2040 , BQ2085 Is there an SBS command or sequence that will permit me to identify which gauge IC I've got attached to the bus? We use a number of battery packs from different manufacturers and all have different gauges…
Ill have to do some digging. I'll try the manufacturer but they have been less then helpful in the past. I did find a paper someone wrote back in 1999 listing another manufactures BB-2590 listed the bq2058 and the bq2040 but they say there are SBS 1.0…
Part Number: BQ34Z950 Other Parts Discussed in Thread: BQ2040 Tool/software: Code Composer Studio Hello, I am using BQ2040 Battery Pack.I have already using this with our Previous Project, now in my new project one problem arrived that when i have read…