BQ34Z100-G1: My customer is looking for gas gauge and battery protection IC...
Part Number: BQ34Z100-G1Hi team,My customer is looking for gas gauge and battery protection IC for 2 cells requirement.I have recommended BQ34Z100-G1 to them for the gas gauge. Do you have some...
View ArticleLM5155: FB & Comp Elements calculations
Part Number: LM5155Hello,Iam designing a Multi rail Power supply unit with LM5155-Q1 with the following specifications. Vin 12to13.5VVo=15V (4-rails) and -5V (4 rails)Po=6.5Wprimary inductance of...
View ArticleBQ25886: BQ25886 - Some questions
Part Number: BQ25886Hi,I'm newbie and I have some questions about the BQ25886. I have studied the datasheet and the evaluation module. I want to use 5V-2A input and 2 Li-poly battery (3.7V each one):1)...
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BQ25570: Vout is very low
Part Number: BQ25570Hi there,When I use the BQ25570, I always get a low Vout problem.The schematic is as follows:When VBAT_OK rises to 1.5V, Vout should be 3.3V, but it is actually only 0.29V, and...
View ArticleBQ24123: Decipher Date Code?
Part Number: BQ24123The ICs I have are marked with:BQVTI 72KCD17
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TPS2372: For Power up to 120W
Part Number: TPS2372Dear Team,If PD load is up to 120W load, Can TPS2372 be added external MOSFET to improve overcurrent limitation?Or how to deal with it?The ON SEMI NCP1095 PD structure with External...
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LM5050-1: Can you help me to figure out what's wrong with my TINA-TI Spice...
Part Number: LM5050-1In my application, I have 2 power input module in the chassis, I decided to use LM5050 to prevent current reversal when another module attached to a backplane, on which there's...
View ArticleEV2400: Communication with EV2400 via MATLAB
Part Number: EV2400Hi,I want to know if we can communicate with EV2400 via MATLAB. I am developing a battery test stand and want to integrate ÉV2400 to it to add the charging capability. The discharge...
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TPS61085: Switching Frequency
Part Number: TPS61085Hello ,We are using IC TPS61085A in a boost converter module. In one of the validation or evaluation tests related to Switching behavior & Frequency we have observed the...
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UCC28740: UCC28740 standby power dissipation reduce
Part Number: UCC28740Dear experts,My customer is designing a charger with UCC28740, Vin=85-265V AC, output is 43.2V/1.1A. Now they find power consumption is 130mW of 230V input when no load, but they...
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TPS43061: High amplitude ringing at the output
Part Number: TPS43061I measured excessive ringing at the output of the EVM and wanted your help to either correct a possible mistake in the way I'm testing it or to provide clarification to understand...
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TPS54824: Voltage of SS pin during shutdown and the purpose of prebias
Part Number: TPS54824Hi!Currently, I'm testing the TPS54824. Here below is the Shutdown Relative to Enable. And the first waveform is the voltage of EN and the second waveform is the voltage of SS pin....
View ArticleBQ78350-R1: C Driver for the 78350?
Part Number: BQ78350-R1Hello; It may be hiding in plain sight, but manages to elude me. Is there an available C driver for a u/C to interface with the 78350?Also, what exactly are the E2 E4 etc in the...
View ArticleLM76002: difference from LM43602
Part Number: LM76002hello, from the block diagram in the datasheet there is difference below between LM43602 and LM76002. could you tell me what the real difference between them?1. in the 43602 the PFM...
View ArticleTPS61193: LED driver for TFT
Part Number: TPS61193Hi,I'm looking for a LED driver to drive the backlight of a TFT display.At the moment my reference pn is MAX16814BEUP +, I would like to know if there is an alternative TI.Here are...
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BQ25601D: Extremely low charging
Part Number: BQ25601DHello, I am trying to use the BQ25601D to charge the battery of my prototype. Here you can see the schematics:Just the same that I did on Webench.I have configured the registers by...
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EMB1428Q: EMB1428 SPI Issue
Part Number: EMB1428QHi,We're developing EBM1428. But remove the EMB1499.We have some SPI issue now.Please check below picture.This is our schematic:We only modify MOSFET switch. And we made a EMB1428...
View ArticleTPS7B4253-Q1: Discharging feature
Part Number: TPS7B4253-Q1Hi Team,Does this device have discharging circuit in it?If not, Do you have any reference design with the discharging circuit for TPS7B4253-Q1Regards,Takashi Onawa
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LMR14050-Q1: Schematic check
Part Number: LMR14050-Q1Hello,Can you please check the below schematic for my design? I would like to ensure it will work for my application. Thanks!Requirements:Input Voltage: 5 VOutput Voltage: 1.1...
View ArticleUCD9090A: Erase the non-volatile contents through I2C
Part Number: UCD9090AIs there a way to erase the nonvolatile contents of a UCD9090A or UCD90160A through the I2C interface in order to blank-out the part?We'd like to know how to blank/erase these...
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