Forum Post: BQ24702 thermal resistance
Hi,Where do i find the junction to ambient and junction to case thermal resistance for BQ24702?Thanks,Kwan
View ArticleForum Post: RE: bq2084 more than 15Ah
Hi Tom,thank you for the answer!I found the maximum capacity information on this page:http://www.ti.com/lsds/ti/power-management/battery-fuel-gauge-products.pageIn the Datasheet i didn´t find any...
View ArticleForum Post: RE: bq24650 / removing the D1
Hello Ryan san,Thank you for the information.I introduced LM5050-1 to our customer. Best Regards,Ryuji Asaka
View ArticleForum Post: bq76PL536A High cell count string
Hello there,We intend to use bq76PL536A in a 30S1P 20Ah LiFePO4 pack for balancing. The total string has 6 packs, which means we have 180 cells in serie. Due this configuration, I have the following...
View ArticleForum Post: RE: bq40z50 unresponsive
I cannot get it back into Full Access.(Are you using the Advanced Comm SMB section of the Battery Management Studio?)If I use the Word Write with 0xFFFF (cmd = 0x00), the command goes through...
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Forum Post: RE: How to switch of PMID o/p when using battery?
Hello Lewis,I am not sure if I understand your question from your post so let me know if the information below answers your questions.Are you wanting to know if there is a hardware shutoff for the PMID...
View ArticleForum Post: RE: BQ34Z100 ROM mode and I2C timing documentation
Maybe the REGIN regulator is weak. You could try powering REGIN with a power supply to see if this make a difference. The device runs at about 2 MHz internally.
View ArticleForum Post: RE: bq34z110 update status
Tom,I tried out the "50% DOD change" file and got the status update 05 after the first discharge optimization cycle, however I was not able to get the status update 06 after the second discharge. I've...
View ArticleForum Post: RE: BQ24040 Vin=10...30V ?
Hello Zoltan,Off hand I do not know of what would be classified as TI's "quietest" converter.It would be interested to hear your thoughts on the modules particularly the LMZ35003 and LMZ14202.The...
View ArticleForum Post: RE: BQ24232 use case
Thanks Ryan, Jeff. Ryan: Yes I have all the three batteries I am supporting. The Lithium batteries are for non public use whereas 2xAA will be the public version. I have a buck boost on the Battery...
View ArticleForum Post: RE: BQ24031 - Relation with BAT voltage
Ryan San,Thank you for your excellent comment!Your reply correspond to our questions.Kind regards,Hirotaka Matsumoto
View ArticleForum Post: RE: bq77908A: Questions about charger detecting and CHGST connection
Hi John,The SCC recovery is a good reason to provide a way for CHGST to go low. Waking a pack from shutdown is a need for CHGST to go high. Connecting CHGST with pull up or pull down can leave the...
View ArticleForum Post: RE: Thermistor Equation (6 & 7) are wrong in bg24600 datasheet...
I'm looking at equation (6), and it readsRT2 = {VVREF x RTH(cold) x RTH(hot) x [(1/VLTF)-1/VTCO]} / {RTH(hot) x [(VVREF/VTCO)-1] - RTH(cold) x [(VVREF/VLTF)-1]}.My PDF copy shows it was revised on...
View ArticleForum Post: BQ24195 linux driver
Hi allI need the linux kernel driver with sufficient documentation for BQ24195 for kernel version 3.0.35 .where can i get it.I am new to linux developmentRegardsAnand
View ArticleForum Post: bq34z100 minimum sense resistor.
Hello, I'm developing a 10 cell LIB battery pack using the bq34z100. Since I'm worried the heat, I want to use the 1mohm to sense resister. Is it available under the following conditions? - sense...
View ArticleForum Post: BQ24022 falls into an undefined state - starts heating rapidly
Hi everyone,in our devices we're using BQ24022 as a battery charging IC, to charge the LiPo battery.It is a consumer device and under some circumstances while charging, the BQ24022 falls into an...
View ArticleForum Post: RE: BQ24251 question
The square wave is the battery detection circuit. It is expected and shown in datasheet figure 5.
View ArticleForum Post: RE: IC with PowerPath and cell balancing for two LiPo in series...
Does my schematics look ok?Thanks
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Forum Post: RE: BQ24100 Charger questions
Hello Sevrum,The diode between output and ground is explained a little bit better on Pg.6 of the datasheet stating the purpose of the TVS diode is to protect the output pin from abnormal voltages by...
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