Forum Post: RE: bq20z65 Problem with FETs opening/closing
Also the bq20z65 can turn the charge fet off when fully charged if the chgfet bit flag is set in the operation cfg B of the data flash. with regards to the discharge issue, check that your CPE, HPE (if...
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Forum Post: RE: Thermal Pad TPS7A16 Connection
Hello Kartik,I watched the EVM you told before ark here and the thing that i couldnt understand is that it says:The designer must consider carefully the thermal design of the PCB for optimal...
View ArticleForum Post: RE: TPS40303 - Can Vdd != Vin?
Hi Chris,I would suggest you post your request of TPS56921 in a seperate thread. WEBENCH related question can be posted to WEBENCH...
View ArticleForum Post: RE: BQ29200 - Balancing Current
Hi Rico,The values of the resistors and caps are in the recommended operating conditions of the document which you attached. Pg 3. The balancing current is dependent on how much additional load which...
View ArticleForum Post: RE: bq20z65 cell balancing
Hi Ronaldo,It is not possible to make such predictions as this is chemistry dependent. However , numerous tests has been carried out that shows incoporating CB actually does extend battery life.-Onyx
View ArticleForum Post: RE: bq51050BEVM-764 Design Files
For design that does not need to comply with wpc1.1, the values on the EVM are good enough (200Ω and 42.2K). However, if the wpc 1.1 is need, FOD calibration is needed to find the right values of FOD...
View ArticleForum Post: RE: TPS54160A - Light Load Current Question
Hi Daniel,The TPS54160A will be able to handle the application. The condition which may cause an issue is with a 20mA load and 14V input. The boot UVLO may trip causing additional ripple on the output...
View ArticleForum Post: RE: LM5070 PoE PD_3.3V schematic review?
Hi Eric wright,Thank you very much..But l could not understand 100% ,So If you have,Would you please let me know the PCB Layout data by picture?Thank you,Eric
View ArticleForum Post: RE: difference between impedance tracking in gauge ics
Thanks for your reply,i am using 4cells in parallel of total rating of 3.7 V and 8000 Ahr,my load current is maximum at 8A, which fuel gauge IC is suitable for my application,i planned to use...
View ArticleForum Post: RE: bq51050b charge full status
Hithanks for your information.this works fine now. the mistake that I have made is I didn't select the correct resistance value for Rterm. and once i placed proper Rterm resistance I can able to get...
View ArticleForum Post: RE: SM72295: short circuit between VDD and AGND
I have got the same problem, but I destroyed more than two SM72295. First, I thought the problem was on current sensing circuit (I use all two amplifiers), but you have the same problem without using...
View ArticleForum Post: RE: LM2678 Output overvoltage problems
What is the part number of the catch diode you are using? Alan
View ArticleForum Post: RE: bq77910A- Stackable circuit
1. With this or any circuit, particularly with modificaiton be sure to consider and test thoroughly to see if it is appropriate for your system. As you add more FETs in parallel, the switching speed...
View ArticleForum Post: TPS65180* I2C
Hello. I'm using msp430f5438a and tps65180a.I'll tried to I2C communication msp430 with tps65180. but it doesn´t work.I hope V3P3_SW_EN set by 1.const unsigned char TxData[] = // Table of...
View ArticleForum Post: RE: LM5022 - Design Query
Hi Atul,I would recommend LM5021-2 for your application as it is a AC-Dc PWM controller.It is ideal for your application.The topology is flyback in CCM mode as the wattage is>100W.PLease find...
View ArticleForum Post: RE: LM5070 PoE PD_3.3V schematic review?
Appreciate...Thanks for your kind guide..Eric.
View ArticleForum Post: RE: AC to DC converter for inductive biomedical implant: 1GHz
Yikes!Unfortunalely, my insurance doesn't cover those types of device. You are obviously going to test this out on yourself first of course?!I would highly recommend contacting a biomedical...
View ArticleForum Post: RE: Do you have any recommendation circuit of bq51013B and NiMH...
Dear TaharThank you tor your reply.There isn't reference design of bq51013B and charger IC.I will report to the cutomer.Best regards,Shinichi Inoue
View ArticleForum Post: RE: LM3150. Half the voltage.
I was having the same issue using the LM3150 and two FDD8647L FETs. I am getting 2.16v instead of the expected 5v. My design is all ready got boards printed and and found out the voltage was wrong...
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