Clik here to view.
UCC27712: UCC27712 based Induction heater
Part Number:UCC27712Hi,I am using the UCC27712 to make a 2KW IH based the Half bridge topology with 220VAC input. The IGBTs are driven at 18V using the UCC27712. I am controlling the input voltage...
View ArticleClik here to view.
BQ35100EVM-795: EV2300 and BQ35100EVM-795 board not recognized under BQ Studio
Part Number:BQ35100EVM-795Hello,We have implanted BQ35100 on a board for LiMnO2 battery gauging (CR2 and CR123A).The board is operational but the value recorded with BQ35100 do not seem correct.So we...
View ArticleBQ24171: Test Charging with the Evaluation Module Board
Part Number:BQ24171Hello,I using the evaluation module board to charge three Li-Ion batteries. The board has three outputs- ground, VBAT, and VSYS. The VBAT is connected to the charging port on the...
View ArticleBQ40Z50-R2: SHUTDN high duration required and internal pull-up
Part Number:BQ40Z50-R2The datasheet states that a high-to-low transition of the SHUTDN pin signals the bq40z50-R2 to turn off the CHG and DSG FETs, disconnecting the power from the system to safely...
View ArticleTPS2372: PMP21115 schematic
Part Number:TPS2372Hi,I am watching the following video about dual-input PoE design and the video talks about PMP21115 design. Would it be possible to provide PMP21115...
View ArticleBQ25570: BQ25570 Enabling the output when the power source does not generate...
Part Number:BQ25570Hello everyone,We have an application where we want to enable voltage output at night. During daytime, charger will only charge without giving output. We do not want to use any...
View ArticleBQ25606: Would BQ25606 affect the battery when I take a voltage reading?
Part Number:BQ25606Hi,Can someone please advice me, I'm stuck!I use IC BQ25606 to charge a 4.2V lithium battery and supply power to the system. I also have a battery connected to the potential divider...
View ArticleUCC28070A: Using External Peak Current Detection
Part Number:UCC28070AMy PFC system needs external overcurrent detection output.In order to implement it with UCC28070A, I'm going to make PKLMT voltage very large, and tie external overcurrent detector...
View ArticleTPS2549-Q1: TPS2549-Q1 D+/D- has signal after PD plug out
Part Number:TPS2549-Q1Dear TI friend, I find there are signals in TPS2549-Q1 D+/D- when I plug out the USB device, and Vbus out also has a discharge. the waveform as below, I test with mobile phone...
View ArticleTPS65400: Output Voltage setting w/o I2C
Part Number:TPS65400Customer would like to use TPS65400 for FPGA bias power but they don't want to use I2C communication to program the output voltage. customer: WW classapplication: Motor Driver...
View ArticleTPS72615 reset pin maximum allowed current
TPS72615 - What is the maximum current the reset output FET can safely sink? Datasheet specifies 700uA current for the guaranteed 0.4V max output, I want to run a little more current (~2mA) to lit LED....
View ArticleRHFL7913 Negative regulator Current programming
Hello TI, In the process of testing the RHFL7913 device (FP16 package), I would like to program the current limit for the device. Though datasheet says device is internally programmed to 4A. I would to...
View ArticleTPS7H1101A-SP: Need a mass specification
Part Number:TPS7H1101A-SPI'm looking for package mass numbers for the TPS7H1101A-SP in the rad-hard qualified variant (5962R1320202VXC, CFP package).
View ArticleBQ27542-G1: FCC not change when battery discharge at low temperature
Part Number:BQ27542-G1Hi,Sir: When we charge a battery to full with 1300mAH at room temperature,and discharge at a low temperature -5degC & 5degC,the FCC still keep same as room...
View ArticleCT pin of TL7700
We have questions about TL7700.Can we use this IC without capacitor of CT pin?Please tell us the terminal processing of CT pin if we can use this IC without capacitor of CT pin.(Open or Connected to...
View ArticleBQ34110: can't see the FCC update after EOS learning phase
Part Number:BQ34110Hi ExpertI use a 1000mAh battery to do test and set "direct charge control" function enabled, as log I can see the gauge control the 3 times discharge cycles then enable the charger...
View ArticleTPS54302: Duty 100%
Part Number:TPS54302Hi allWould you mind if we ask TPS54302?There is the description on the datasheet P11;"To improve drop out, the TPS54302 is designed to operate at 100% duty cycle as long as the...
View ArticleClik here to view.
LM5051: is there recommended external driver circuit to increase gate charge...
Part Number:LM5051Hi in LM5051 datasheet, gate charge current is only 0.28mA ~ 0.95mA.customer think it is not enough because this is a resistor added between Gate and Source of MOSFET in customer's...
View ArticleCCS/BQ76920: Can I have a sample code for communication between BQ76920 and...
Part Number:BQ76920Tool/software: Code Composer StudioDear all, I do a research about power management using BQ76920,!! Can I have a sample code for that. Thank you
View ArticleLM2670: LM2670 Negative Voltage Maximum current question.
Part Number:LM2670Dear TI Team,I am designing a negative power supply with the LM2670.Input 15VOutput -15V / 1AFor the LM2576, it is stated that the Max 700mA design is possible if the data sheet is...
View Article