TPS92610-Q1: About TPS92610-Q1 FAULT pin status
Part Number:TPS92610-Q1Hello Team,Please help us to recommended voltage level on FAULT pin of TPS92610, since we need to have high to low level for BCM, thanks.1. The fault pin folating.2. The fault...
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Hiii, I need a 4s lithium battery balancing ic with an integrated fuel gauge (LED). As the application is for a power bank I don't need any communication. But the overvoltage and overcurrent protection...
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TPS542941: PG pin of RSA Package : Quick response is required
Part Number:TPS542941Hi team,I'm an FAE supporting some industrial companies in Japan.My customer will employ TPS542941 and they provided a question.Is PG pin available in RSA package?The reason why...
View ArticleTPS54531: regulator behaviour when Vin below the Vout set point
Part Number:TPS54531Hi team,in tps54531 datasheet, i found below description.i believe it means when the input voltage below the Vout set point(for example, the Vout set point is 12V, and the input is...
View ArticleTLC5927: More than 16-channels Constatnt current LED sink Driver
Part Number:TLC5927Dear TI,I am using now your TLC5927 Driver but for new project I have to drive 400 LEDs and PCB need to be small. Can you please recommend an IC Driver with more than...
View ArticleTPS54540: regulator behaviour when Vin below the Vout set point
Part Number:TPS54540in tps54540 datasheet, i found below description.When operating with a low voltage difference from input to output, the high side MOSFET of the TPS54540 willoperate at 100% duty...
View ArticleTPS2051B: EN When output is already pulled high
Part Number:TPS2051BHi Team,Quick question on the TPS2051B. Will this device trigger it’s overcurrent protection If the Vout side is non-zero when enabled? We have a design where the EN switch is...
View ArticleTPS65400: onboard flash memory retention time.
Part Number:TPS65400Hello:Our design incorporates the TPS65400 PMIC. The flash memory will be programmed before starting up the board. There is no link for the MCU to modify the flash.The operation...
View ArticleTPS22990: search for the power down sequence control load switch
Part Number:TPS22990Hi, Because our customer need to control the power sequence during power off. I wanna if we have this kind of solution. Thanks for your help.
View ArticleBQ25703A: Replace input and output current sense resistors for higher currents
Part Number:BQ25703AHi,We are using BQ25703A in order to charge 4S11P lithium-ion battery pack.Currently the input source is an 80W solar panel (Vmp=17.7V, Imp=4.52A) and it is working fine.In the...
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UCC28070: Use ucc28070 in bridgeless PFC
Part Number:UCC28070I want to build an interleaved CCM bridgeless PFC shown in the figure. but I don't know how to sense the input ac voltage. Because the neutral line is connected to GND in the...
View ArticleTPS2493: search for hot swap controller with reverse polarity protection
Part Number:TPS2493Hi, My customer is looking for the hot swap controller or the input OC, OV, UV protector with reverse polarity protection. Can you help to let us know if there are proper solution?...
View ArticleBQ25601: Charging 1s3p 18650 battery
Part Number:BQ25601I see problems with some chargers in order to charge 3 large capacity cells in parallel.Will this charge be able to do so?And what could be the reason for some chargers not to work?
View ArticleLM3410: PWM frequency variation on DIM pin of the regulator
Part Number:LM3410Hi,Currently i am using LM3410XQMF/NOPB regulator for LCD backlight driverThis regulator has a DIM pin for which we have connected PWM signal to control the brightness of the LCD.In...
View ArticleBQ34110: Flash programming robustness
Part Number:BQ34110I'm designing a system with BQ34110 and external flash.Update of firmware (*.bq.fs file) and data (*.df.fs file) is planned to be made with FlashStream Parser from a onboard IC.Q1:...
View ArticleLM3658 usage
1. I read the data sheet, but I didn't understand LM3658SD/NOPB, LM3658SD-A/NOPB, LM3658SD-B/NOPB. Can you briefly describe the difference and how to apply it?2. I designed the LM3658SD/NOPB, but the...
View ArticleTPS4H000-Q1: Can I common up the FAULT pins?
Part Number:TPS4H000-Q1Hello, I am planning to use 3 or 5 TPS4H000-Q1 to control and monitor the power supply of between 5 and 18 devices. Can I common up (connect together) all 3/5 FAULT pins...
View ArticleBQ25703AEVM-732: read battry voltage using bq25703a
Part Number:BQ25703AEVM-732Hello, I am using bq25703a for the battery Charger. I manage to establish a communication between this module and the card STM32F4 .my question is :Can i determine the...
View ArticleULQ2003A-Q1: could ULQ2003A-Q1 be used in 24V automotive system? is there a...
Part Number:ULQ2003A-Q1could ULQ2003A-Q1 be used in 24V automotive system? is there a success story? thanks.
View ArticleBQ40Z50-R1: reprogramming bq40z50-R1
Part Number:BQ40Z50-R1Another question on reprogramming existing PCBAs:I recall that in older gas gauges (e.g. bq20z90) there would exist in the data flash certain "hidden" values that could not be...
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