Forum Post: RE: WEBENCH® Tools/BQ34Z100EVM: learning status not updated to...
hello dMax , i updated the log file , please help regarding this issue
View ArticleForum Post: RE: BQ24773: BQ24773_temperature rise in Inductor
Hello Wang, Hope you are fine. Thanks for your prompt response. Given below is the configuration of charger chip: Maximum battery charging current- 4A Maximum battery Voltage- 4.2V Switching...
View ArticleForum Post: BQ24773: BQ24773-thermal issue
Part Number: BQ24773 Hello, We are using BQ24773 for battery charging . Given below is the configuration of charger chip: Maximum battery charging current- 4A Maximum battery Voltage- 4.2V Switching...
View ArticleForum Post: RE: BQ24192: How to select IR compensation resistor setting and...
shaq, The IR compensation is to reduce the impact of the resistance from BAT pin to the battery cell allowing the charging to stay in CC mode as long as possible. The resistance could be from PCB...
View ArticleForum Post: RE: BQ24130: The LED is not turn off when the charge is complete
Hi Peter, The bq24130 is a host controlled charger. The open-drain transistor between the STAT pin and GND is OFF in either sleep mode or charge disabled as described by Charge Status Outputs on page...
View ArticleForum Post: RE: BQ24070: BQ24070 can not charge battery
Vincent, What are the status of the STAT1 and STAT2? Please reduce the R_DPPM to 30k ohm. It looks like the DPPM setting is high. Regards, Eric
View ArticleForum Post: RE: BQ24773: BQ24773-thermal issue
Mihir, I think this post is a duplicated one of your another post below. The discussion is ongoing so I will close this one. e2e.ti.com/.../673076 Regards, Eric
View ArticleForum Post: BQ40Z50-R1: turbo boost
Part Number: BQ40Z50-R1 Dear sir: I am using the bq40z50-r1 .I want to know what's the meaning of the "Turbo boost"? How to set this function ? I set the IT Gauging "55F6".Is it related to the "Turbo...
View ArticleForum Post: RE: BQ24773: BQ24773-thermal issue
Hello Eric, This is different query related to PCB layout and design point of view. Kindly look into power dissipation and layout. Is there suggestion you would like to give? Please let me know if you...
View ArticleForum Post: BQ76930: All the cell voltages return zero value
Part Number: BQ76930 Hi, I'm trying to read cell voltages from a bq7693007DBTR. The chip used has a CRC option. So, I have made sure that the CRC input is correct(The functions writeRegister handles...
View ArticleForum Post: BQ24610: Bq24610 charging current is lower than my setting
Part Number: BQ24610 Dear Expert, I measure my charging current. It is smaller than my setting. Such as if I set the charging current equal to 900mA, I measure the charging current is about 850mA on TI...
View ArticleForum Post: RE: BQ25504: Output voltage of Solar panel is 5V, exceed...
Hi, Thanks, I used an DC source to test the chip to charge a Li-Po, With setting the VIN_DC to 7V, the charging current is about 570mA and the chip is too hot, I have the damage concern. Another...
View ArticleForum Post: BQ25570: Does it make any difference between connecting and not...
Part Number: BQ25570 Dear all, I'm using BQ25570 to boost up the harvested power. VSTOR is connected to VBAT to charge a 15mF supercapacitor. Without the supercapacitor, I monitored that the VSTOR was...
View ArticleForum Post: BQ76940: Alert pin not responding and other
Part Number: BQ76940 HI TIer I us BQ7694003 encounter problem ，want to ask。 1、CC mode set CC_NE=1, but ALERT Pin does not respond。 2、CHG and DSG FET Circuit changing the R1 and R2 from the original 1M...
View ArticleForum Post: RE: BQ24773: BQ24773-thermal issue
First, do you have the FET loss estimation? For example, the ACFET, it should be easy because it doesn’t switch at normal operation. After you have the FET loss estimation, what the FET thermal...
View ArticleForum Post: BQ25890: BQ25890 ADC Problem
Part Number: BQ25890 The MCU can read vbat value with VBUS online. When remove the VBUS, MCU read zero from VBAT voltage register.
View ArticleForum Post: RE: BQ25890: BQ25890 ADC Problem
Hi Dimon, When powered by battery only, the ADC only functions if V(BAT) > MINSYS. If you set MINSYS to 3.0V instead of the default 3.5V, the ADC will read properly down to V(BAT)=3.0V.
View ArticleForum Post: RE: BQ24610: Bq24610 charging current is lower than my setting
The bq24610 is only a controller. The main power dissipation should be on the external switching FETs not the bq24650 . Can you show a scope capture of your charge current? Where is the current sense...
View ArticleForum Post: RE: BQ24610: Bq24610 charging current is lower than my setting
Jason, The voltage on the sensing resistor is less than 10 mV. It can be estimated that the accuracy of the charging current of your case is about 10%-15% based on the 20mV and 4mV accuracy shown on...
View ArticleForum Post: RE: BQ25606: Blinking status LED
With D+/D- short, the input current limit is 2.4A. With RICHG=1.5k, charge current is 450mA. What kind of load hooked on your Boost output? What is Boost voltage when you switched K1? What is your...
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