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BQ78350 Reset

What is the minimum time to reset the device by its MRST pin?

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[bq34z100-g1] Possible to change button press duration?

In the datasheet, it states,"the LED pattern will only be displayed after holding an LED display button for one to two seconds."Is there any way to change that behavior? For example, turn LED display...

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HPA495 Advanced Tester - 3 Cell Config

The schematic is not clear in how to wire the Tester for a 3 cell pack.Is it left open? Thanks.

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BQ40Z60EVM - Adapter power only

Is it possible to drive a load with only AC adapter power and no battery connected with the bq40z60 Evaluation Module circuit?  If so, what are the configurations/settings required?

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how to send subcommand to bq27541 by HDQ?

how to send subcommand to bq27541 by HDQ? such as, i want to get the device type, how can i do?is there an example about it?Thanks

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How bq2060a learn battery capacity ?

Hello,I have a bq2060a with my 3.7v 2600mah lion 1 cell.I've configured the bq2060a eepromwith battery parameters.I've made two full charge/discharge.Voltage and current (in bq2060a registers) changes...

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BQ33100 measurement of Capacitance and ESR and communication

I am using BQ33100 (Device Type = 0x3100,  Firmware Version = 0x0015).Current load = 0.5 AmpereThe bq33100 can be used to monitor 5 capacitors in series. ELECTRICAL CHARACTERISTICS OF SUPER CAPACITOR...

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BQ76930 - Load causing CHG to go high

Hello,I have separate discharge and charge paths in my circuit with the charge FET connected directly to the sense resistor. Without a load, the CHG and DSG FETs turn off correctly according to values...

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bq40z60 - Adapter Voltage Present?

Is there a way to check the presence of Adapter Voltage regardless of charging state?  bqStudio shows a read-only register called "AC Adapter Voltage" but the command to read this register is not...

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Unhandled Exception when running bq76pl536 OTP EPROM Programming Utility

Hi,I'm using bq76pl536 in our project, and i would like to use OTP EPROM to program S/N into BQ chip.In order to evaluate it,I've purchase bq76PL536PGM-1 and have installed Aardvark Driver.I have two...

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bq27441-G1A OTP NVM

According to the datasheet bq27441-G1A has OTP NVM. How it can be programmed? As far as I understand programming the data memory only changes the RAM settings. How can I program the device at the...

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details about Bq34z100-g1

Hi,I'm looking for some informations about bq34z100-g1.How Can I update embbeded firmware of gauge ?thanks.

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bqproduction error

I have installed bqproduction rev.5. and made all connections with HPA495, REV.A EV2300 and BQ40Z50EVM.Then I try to calibrate current I receive strange error.Number Format Exception in...

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BQ27510-g3 Golden File generation using bqstudio?

Hi,I was able to complete the learning cycle using bq27510-g3 gauge for a 4100mAh battery with bqstudio. The status got updated to 2. But while generating the golden file from the tool it just copies...

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Compatibility between bq24190, bq24297 and bq25890

Hi Everyone,Now our customer has evaluated bq24190 on thier test board, and now they would like to bq24297 and bq25890 also on the same test board, because we know that these devices are almost pin...

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the VDS of low side N-channel mosfet for BQ76940

hi,according to BQ7940 EVM schematic, the low side FET is AOB290L which is capable 100v of VDS, my question is do we need to use 100v VDS mosfet ? can i use 40V VDS mosfet instead  ? thanks,Tiger 

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bq27510 and bq25892 thermistor sharing

Hello team,Can the bq27510 and the bq25892 share the thermistor? The bq25892 would be operating in stand-alone autonomous charging control with default register values. Since it's going to be operating...

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bq25892 / About ship mode

Hi Everyone,Please let me ask about bq25892. Please contact me directly if you need to discuss off line. sonoki-s@clv.macnica.co.jpCan bq25892 enter ship mode by setting BATFET_DIS bit  at adapter...

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LCD for BQ20z655-R1 problem

Hello!For my new project I'm using BQ20z655-R1 with LCD. My question is about the LCD refresh frequency in the datasheet there are two diiferente infromations  for the same configuration. see the...

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BQ24735 and BQ40z50 FUEL GUAGE BASIC INITIALISATION PROCESS PROBLEM

Dear Sir,I am from Qmax, i am using charger BQ24735 and Guage BQ40z50 for monitoring our project. I am giving 16000mv voltage,1024mA current for charging and Watchdog timer is set to 44sec. Updating...

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