BQ27426: RES_UP is not set
Part Number: BQ27426Dear Onyx san,When a charge / discharge test is performed on our product, RUP_DIS is cleared and QMAX_UP is set, but RES_UP is not set.Test conditions are as follows.・ Charge /...
View ArticleTPS2023: Thermal Resistance
Part Number: TPS2023Hi,Good day!Our customer have requested the Theta jc for TPS2023D in SOIC-8 package. We will appreciate if you could provide us this information. Thank you and have a great...
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TPS1663: TPS1663 PCB routing issue
Part Number: TPS1663Hi,I'm designing a PCB based on TPS16630REG IC. According to the datasheet, it mention the IC ground connection is on TOP layer and high frequency bypass Cap in on the GROUND layer....
View ArticleTPS1663: Capacitor selection
Part Number: TPS1663Hi,I'm designing a PCB based on TPS16630REG. My requirements areInput Voltage : min - 4.5V max - 5.5VInput Current: 5AOutput Voltage : 5VOutput Current : 5AHow to choose Cout and...
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UCC28070: Pin #3 waveform
Part Number: UCC28070NO OUTPUT SIGNAL PIN #14 & PIN #17.Parameters:Vin = 120VacRMS, fsw = 100KHz, Pout = 5000 watts, fline 47-63 Hertz, Vout = 390 V, Dmax = 90%, tss = 500mVDCIC VOLTAGE READINPin...
View ArticleTPS65265: Power Good Individual Feature
Part Number: TPS65265Hi,We are using TPS65265 for triple output needs, I see the IC supports 3 EN pins, which we can use for sequencing, but our requirement also asks us to have 3 separate PowerGOOD...
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LM5155: Designed; LM51551DSSR (HICCUP Mode Version) Step-Up Flyback Isolated...
Part Number: LM5155Hello, Thanks to your suggest i have designe the my flyback power supply with the more complete and last LM51551Can you give me your opinion about the layout, connections, BIAS, VCC,...
View ArticlePFM mode of TLV62568
We have a question about TLV62568.Please tell us the threshold current that PWM mode changes to PFM mode.Best regards,Takahiro Nishizawa
View ArticleLP5024: LED not turning ON but I2C slave read/write is successful.
Part Number: LP5024HiI have rig up LP5024 circuit with two LEDs (Green to OUT0 and RED to OUT1). I reffered the reference design from TI.Device VCC is 3.3V. I am using external I2C master controller...
View Articlehow do choose right reverse protection circuit
I have a circuit in the DO output as a reverse protection circuit, currently using the PDS560 diode, the temperature is up to 95 degrees at full load 30V 22A normal temperature, and the temperature of...
View ArticleTPS92641: SDIM
Part Number: TPS92641Hi team,I have a question about the SDIM-pin.According to the 7.2 Functional Block Diagram in the d/s, SDIM is pulled up to VDD. Is the VDD internal power? If so, could you tell...
View ArticleNeed help to build DC power meter to measure energy up to 220V DC and...
Hi,This is with reference and related to query raised with Thread Title "Need help to build DC power meter to measure energy up to 220V DC and 100A".1. Is it possible to build the low voltage (Say 3.3V...
View ArticleBQ34Z100-G1: BQ34z100g1 sleep mode enter and exit
Part Number: BQ34Z100-G1Hi team,My customer is using bq34z100-g1 to do new design and have some questions. Could you please help to answer?If bq34z100g1 is in sleep mode, what will trigger this gauge...
View ArticleLMG3410R050: Using UCC28070 interleaved CCM PFC
Part Number: LMG3410R050If I want to use the LMG3410R050 in CCM Interleaved PFC. Anything that needs to be considered?
View ArticleTPS54331: Disable ECO-mode
Part Number: TPS54331The TPS54331 will entry to eco-mode, when the output current is under 160mA. Can I disable the TPS54331 eco-mode by external setting?
View ArticleTPS51206: Recommended Junction Temperature
Part Number: TPS51206Hi,In this part the Absolute Maximum operating temperature is given as -55 to 150degCIn Recommended Operating condition, it is given as -40 to 85degC.We are seeing a huge gap...
View ArticleTPS92691: Buck-boost calculator
Part Number: TPS92691Hi Sir,Could you also provide one for buck-boost topology to me?like another e2e:https://e2e.ti.com/support/power-management/f/196/t/737612thanks~Regards,Driscoll
View ArticleUCC2897A: UCC2897A check schematic
Part Number: UCC2897ADear TI Team: Please help to check UCC2897A schematic, Input is DC 160V, output 12V/25A and 24V/12.5A, 300W. (Please visit the site to view this file)
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UCC21710-Q1: Quiescent Current Values - EN state?
Part Number: UCC21710-Q1Team,could you please support with some clarification on the Iq values in the datasheet?What is the state of the RST/EN pin?Were these currents specified in enable or disable...
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TPS92515: Equation: VIADJ/10/Rsense
Part Number: TPS92515Hi,I don't understand the equation belowDoes it mean that the voltage on R is equal to the voltage on the Rsense？Could you please explain the equation? Thank you.Best Regards
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