BQ34Z100-G1: Please guide us how we can use this IC for our battery (LiFePO4,...
Part Number: BQ34Z100-G1We are planning to use reliable fuel gauge for our battery and comes around the IC BQ34Z100-G1, and also developed the board using the datasheet but we don't know how we can use...
View ArticleUCC27211
I now use the UCC27211 driver chip to complete the driver task. However, the rising and falling edges of the drive signal reached nearly 100 ns. My bootstrap capacitor and Vcc capacitor are close to...
View ArticleLM334: Device equivalent for LT3092
Part Number: LM334Hi Team,Can you please suggest equivalent for LT3092, not able to find any current source with higher current.Regards, Shinu Mathew.
View ArticleUC3842: Input undervoltage and overvoltage protection
Part Number: UC3842Hi Team, Can I have some classical schematic suggestion for input under/over voltage protection based on UC3842? Tks a lot. BR,Xiaobing (Eric)
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UCC21520: UCC21520: High Side Failure
Part Number: UCC21520Hi Experts,I'm using UCC21520 to drive one leg of a 3phase inverter. The block diagram of the system is -SCHEMATICThe high side and low side gate pulses are perfect when no load is...
View ArticleTPS3700: OV detection accuracy
Part Number: TPS3700Hi Team, My customer want to use TPS3700 for a OV&UV monitor for 3.3V power supply to MCU (TMS320F28062) due to functional safety requirement. But we had a major concern on...
View ArticleTPS61099: How to measure quiescent current into VOUT pin
Part Number: TPS61099Hi Team,Customer want to measure TPS61099 quiescent current into VOUT pin. We set up the test bench using TPS61099-768 EVM. Remove feedback resistor, R1, R2, connect a 2V voltage...
View ArticleTPS92691: tps92691 unstable dimming
Part Number: TPS92691Hello. I make led driver based on tps92691 sepic evolution board, all components as on this eval board but PWM dimming on 1Khz not stable work in some points from 10 to 15V Vin....
View ArticleBQ78350-R1: What will be happen without ALERT pin.
Part Number: BQ78350-R1Dear all 1. If the ALERT pin of BQ78350-R1 device is always in GND, What happened on the BQ78350-R1 device ? 2. If the ALERT pin of BQ78350-R1 device is always in...
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TPS3700: design required and TINA issue
Part Number: TPS3700Hi team my customer has a design requirement via TPS3700 The input voltage (Vmon) is used to supply power to MCU, normally around 3.3V, so they need to design a voltage...
View ArticleLMR14020: If the low side mosfet becomes open circuit,then how the regulator...
Part Number: LMR14020I am working with LMR14020, it has internal two mosfet, high side and low side.If the low side mosfet becomes open circuited,then how will the regulator will behave
View ArticleBQ76PL455A-Q1: Top rail getting hot
Part Number: BQ76PL455A-Q1I just made my own BMS using the BQ76PL455A following the eval board for the most part. Upon first testing I noticed that the two 200ohm resistors that are on the top line get...
View ArticleUCC37324: Using the UCC37324 to drive PMSM (inverter)
Part Number: UCC37324Hi, I would like to use the UCC37324 chip to power or drive a PMSM that we have design. However, we need to develop a specific design since the motor is a dual-stator with...
View ArticleCompiler/BQ34110: BQ34110PW
Part Number: BQ34110Tool/software: TI C/C++ CompilerHi sir /mami have done voltage and temperature calibration .now i stack in floating point conversion for CCgain and CC delta value.without current...
View ArticleUCC28722: How to design a bias, supplied with the 390 VDC of a pfc converter?
Part Number: UCC28722Hi Everybody,I am designing a bias supply by UCC28722 which is supplied with a DC voltage ( of a pfc converter using UCC28019A controller ).The supply voltage is 390 VDC typically...
View ArticleBUCK-CONVCALC: DCDC compensator-design
Part Number: BUCK-CONVCALCHi, I know there's an excel about how to design DCDC compensator , could you give me this excel ？or I only can get it from your FAE ?Thank you.
View ArticleBQ24610: Differences in bq2461x series
Part Number: BQ24610Hi,I am trying to find my way through TI's battery charger portfolio.I am designing a small hand-held device that is easily fed by a single cell battery (preferably NiMH or Li+). It...
View ArticleBQ27542-G1: We Planing to use this FUEL GAUGE
Part Number: BQ27542-G1Hi Team,We are planing to use this FUEL GAUGE with MCU .For MUC Voltage Level is 3.3V .So for I2C communication we can direct connect or need to use level translator .We are...
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TPS62363: voltage scaling
Part Number: TPS62363Hi,I am working on a dynamic voltage and frequency scaling (DVFS) integrated circuit design that is intended to use an off-chip power management IC（TPS62363） to regulate different...
View ArticleBQ4050: Remaining capacity for 2-series cells
Part Number: BQ4050Hi,I'm using BQ4050 for gauging of 2 cells in series. I have a question about the remaining capacity(RM) register. What does this value represent? Does it represent average RM or...
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