Forum Post: LDO Negative Voltage Regulator with external FET Driver
Couldn't find an LDO IC can regulate negative low voltage, high current which can drive external FET. I need it regulate -3V and 300A. Already made one with positive voltage, I have no problem in this.
View ArticleForum Post: NEED HELP IN bq20Z95 Connection to the load/charger
hiwe have got the bq20z95 EVM from Ti, we are using two series configuration. e have connected the battery succesfully to EVM. any one please help me to connect the load or charger to the...
View ArticleForum Post: TPS84259 / Input to Output Coupling Capacitor , Output ripple...
Hello, Could you please kindly let me know about TPS84259 ? 1.....Calculation of Input to Output Coupling Capacitor.In the data sheet page 21, input to output coupling capacitor is 2.2uF as typical...
View ArticleForum Post: RE: bq51013Bevm allowable load.
Hi I am not sure I understand your question correctly. The load range of the bq51013B is from 0 to 1000mA. The max load can be set using RILM. ThanksTahar
View ArticleForum Post: BQ252504 pin out
I have a BQ252504 DC-DC convertor. I mounted the 16 QFN to a Schmart board. I am no longer able to identify pin 1. during the the soldering process the pin 1 identifier has been removed from the top...
View ArticleForum Post: 【Urgent 】 BQ2004 EVM NiMH (10cell) Charger and dose not work Top...
Hi Now I have question for BQ2004 NiMH charger with NiMH Battery 10cell.This is BQ2004 NiMH EVM Jumer setting .Jumper settingJP6 ：10 cellINH ： HighDSEL ： LowVSEL ： FloatTM1...
View ArticleForum Post: battery charging
I am using BQ24020DRCR IC for charging a 1800 mah battery with solar panel connected through USB.i have set RSET=1000 Ohms.when my battery is deeply discharged solar panel is unable to provide...
View ArticleForum Post: Single Chip charger and Fuel Gauge
Hi,Are there any single chip charger integrated with fuel gauge solution for 1 cell Lipo?
View ArticleForum Post: TPS53317 Rds(on)
Dear SirCould you help to provide the H/L side Rds(on) value?Thanks
View ArticleForum Post: RE: UC2906 charger issue
Hi there,Can any one please look into this problem Im having. as I mentioned before, my application requires me to charge, discharge and remove the batteries so that the other batteries can be...
View ArticleForum Post: RE: TPS84259 / Input to Output Coupling Capacitor , Output ripple...
Hello Arigo san,Sorry for bothering you. TPS84259 has Output Capacitor Limit as 430uF.Is this reason inrush current only ?Are there any other reason ? Best Regards,Ryuji Asaka
View ArticleForum Post: RE: LM25088 or TPS84259
It depends on your level of comfort designing dc/dc converters. Generally there are three types Modules, integrated converters and controllers. Modules like TPS84295 are the easiest to use as almost...
View ArticleForum Post: RE: PMP6776 / Power Sequencing for Kintex7
I have forwarded your request to the PMP6776 design engineer. He will try to answer later today.
View ArticleForum Post: RE: INT-BQ25504 Suggestion on BAT OK settings
To achieve high efficiency at light loads, the external resistor divider for VBAT_OK and VBAT_OH_HYST are only sampled every 64ms and remain disconnected the rest of the time.
View ArticleForum Post: RE: NEED HELP IN bq20Z95 Connection to the load/charger
Hi Santosh,Nothing would have changed. The way it was used a year ago would still be the same way it will be used now. Follow the procedures in the user guide and then configure your data flash for...
View ArticleForum Post: RE: BQ27510 - not entering ROM mode
The data should have been 0x00, 0x0F. Now the device is in ROM mode.
View ArticleForum Post: RE: BQ29200 - Balancing Current
Hi Rico,Yes, it needs a p and n-channel Mosfet. FDC6327C looks like a good choice.ThanksOnyx
View ArticleForum Post: Question on the Soft-Start Cap Value for TPS40170 Controller
I did a WebBench design for the TPS40170 Controller with 21 to 52 VDC in and Vout = 5V at 0 to 3.5A. The WebBench design generated a soft-start capacitor (Css) of 3900 pF (connected to the SS pin, pin...
View ArticleForum Post: RE: TLC5927 error detection problem
Philippe,see TLC5927-Q1 www.ti.com/litv/pdf/slvs973, page 3 :-> Exposed Thermal Pad : Connect to GND. The thermal pad should be soldered to ground in all applications.Regards, Bernd
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