Forum Post: RE: TPS2540A - Does this device improve the eye pattern?
Hi,Thank you for your prompt reply.I send a circuit and the eye pattern of my customer by other email.The information is confidential.Please handle with care. Regards,Kanemaru
View ArticleForum Post: RE: LMR62014 Simple Switcher
Dear, I am using a LMR62014 IC for step up from 5.5VDC input to 12VDC output with an output current of 450mA.I have attached the schematic for your reference, kindly help me out in correcting the...
View ArticleClik here to view.
Forum Post: UCC28811 single stage LED driver
Hello,I am having some problems with a single stage LED driver based on the UCC28811. I made a redesign of my customers existing design. The existing design is 12W, whereas the new design is for 24W.I...
View ArticleClik here to view.
Forum Post: TWL6030 battery charging on WAIT-ON/OFF state
Hi, We are facing some issues with Battery charging in custom board based on OMAP4460. We have used TWL6030 as a power managment IC for OMAP4460. We are using inbuilt battery charger on the PMIC....
View ArticleForum Post: RE: [ TLC59116 ] Natural Brightness Control
Hi Dick,Thank you for your prompt reply!I have spent some times to creat IREF calculation sheet. Because of my customer requet me to show the reference value of IREF for having "natural brightness...
View ArticleForum Post: RE: BQ24650 6mA discharge current issue
Seems like the part is not getting into sleep mode.Q1 the top switching FET may be one trying to deliver charge and allows the battery and Vcc to be within 100mV and not go into sleep mode.Try putting...
View ArticleForum Post: RE: EV2300 USB Driver for Windows 7 64 bit
Hi Could you also send me the drivers also? thanks Paul
View ArticleForum Post: BQ24617 : How to disable "full charge of the battery " function ?
Hi .I have one requierment in whcih i am using BQ24617 and another MSP based controller. I want to disable the "full charge of the battery ( charge complete) " function of BQ24617?Is it possible by...
View ArticleForum Post: RE: Please help me How to change password of BQ20889 chip.
how can I unseal the BQ chip series?where can I find the passwords?Please contact me on: jacintkovacs@gmail.comthenks
View ArticleForum Post: BQ24079 / Changing ENx setting during charging
Hi,Can you recommend to change ENx setting during charging? Please let me know if you have any concern to do it.Best Regards,Sonoki / Japan Disty
View ArticleForum Post: LM3414HV: wrong current value
I am writing here because of a big problem very urgent.We have a product pending, firmware is finished, all is finished, this is a constant current RGB driver.I used LM3414_HV chip. There are two...
View ArticleForum Post: Soft-Starting TPS758A01 for Super Cap Charging
I'm trying to devise a way to soft-start the 758A01 (5V in 4V out) adjustable LDO for charging a 5F SuperCap over a 30- to 60-second interval. Traditional adjustable regulators with NPN pass devices...
View ArticleForum Post: RE: Powering TPS65217B with 3.7V LiPo cell
LDO3/4 won't turn off when the battery is below 3.5VYou simply have to account for the I*R drop across the LDO. For example, if the load current is 100mA and the resistance of the LDO is 0.4 ohms,...
View ArticleForum Post: I2C problem on BQ27510
Hi,On a device, I used a TI fuel gauge BQ27510. The communication with the processor is made with I2C bus. The I2C speed with fuelgauge is about 10KHz. There is another slave on the I2C bus and it work...
View ArticleForum Post: RE: lmz10501 - ouput capacitance
I'm interested in this solution too.Generally LMZ10501 is very convenient module to use it for fpga. Xilinx require 100+ uF capacitance in series of voltages.Vccint for Spartan-6: 1.2V requires 105...
View ArticleForum Post: bq294502 / Icc at room temperature
Hi,The datasheet state that the Icc(max) is 1.25uA at (V3–V2) = (V2–V1) = (V1–VSS) = 2.8 V with TA =–40°C to 60°C. Then do you have any reference information of Icc with room temperature? Our customer...
View ArticleForum Post: RE: LM5064 delay time until register update from fault detection
Joseph-san, Thank you your answer!Please tell me about additional questions.Do the following bit in DIAGNOSTIC_WORD register have delay time until register update from detection?And do the detection...
View ArticleForum Post: RE: TPS61010 efficiency problem
I would not recommend this older device for new designs. We have many newer parts that offer better efficiency and smaller solution size. You can find them with the power quick search at power.ti.com....
View Article