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TPS548D22: Date code discrepancies between MFG label and part marking
Part Number:TPS548D22Hi, The MFG label showed the reel will have mixed date code with Item showing "8C, 92", full reel with 2500 pcs, but when looking at the actual parts in the reel, all 2500 pcs...
View ArticleLM5088: LM5088
Part Number:LM5088HelloI am using LM5088 regulator for 24v to 17v regulation. TI webench design report is attached. total power dissipation is 0.67 W. All I need to know, is heat sink required here and...
View ArticleLM3524D: LM3524D Closing the Voltage Feedback Problem - the Output Phase...
Part Number:LM3524DHello, I am having troubles closing the voltage feedback loop from the output to the inverting input of the error amplifier, pin1 of LM3524D. As soon as I feedback enough signal such...
View ArticleLP87564-Q1: Step model
Part Number:LP87564-Q1Hi,is there available somewhere a step 3d model of this part. we would need it to integrate it in our project.Many tanksJulien.
View ArticleUCC256302: abnormal output when no load
Part Number:UCC256302I am debugging a LLC circuit with UCC256302.when light load (100mA), it is normal with 24V output and burst mode.when no load, the output is 17.6V and VCC voltage is14.3V.low side...
View ArticleBQ27421-G1: curious SoC readings
Part Number:BQ27421-G1I'm using the bq27421-G1A in a handheld device to supervise state of charge and state of health aqnd battery voltage of an LiPo Battery.nominal capacity is 750mAh, maximum Voltage...
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BQ24092: BQ24092 not charging
Part Number:BQ24092Hi,we are experimenting some problems with bq2409x battery charger.In one of our device we are using 3 supply methods and one of this is a lithium battery charged from bq2409x.The...
View ArticleTPS92691: Des it be with dimming mode? do we have dimming mode buck boost? or...
Part Number:TPS92691Requirement:1. Dimming mode and PWM dimming, 30V~60V input, output 57V2A (MAX, 1.8a is also ok)2. PWM dimming frequency of 120kHz,Dtuty= about 35%.This requires buck-boost IC with...
View ArticleBQ24074: output voltage
Part Number:BQ24074Hi Can I get regulated output of 4V (constant) @1.5A. the application is for powering GSM module Thanks & Regards
View ArticleBQ40Z50-R2: Using parallel cells in a 3S lineup
Part Number:BQ40Z50-R2I'm wondering if the following would work. If I were to take 6 standard Lithium Ion Batteries (NCR18650) and configure two in parallel at each tier of my 3S lineup, could I still...
View ArticleBest instrument to test High power smps
Hi Everyone,Im new to the power supply design. Currently working on power supply design . And im curious whether any special equipment needed for testing these kind of power supply ? What is the common...
View ArticleTPS23880: TPS23880 Sharing problem
Part Number:TPS23880My client is asking if TPS23880 can directly replace TPS2388?
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BQ25890: DSEL signal polarity, all USB detect as "Unknown Adapter"
Part Number:BQ25890HelloI have a problem with Input Source Type Detection with BQ25890. All USB (PC, USB charger, power supply with shorted D+/D- pins) is detected as Unknown Adapter.I measured state...
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CSD96497Q5MC: Buck converter switcching the load to 12V
Part Number:CSD96497Q5MCI need to design the following buck converter. The converter switches the load to 12V instead of the classical way to GND. (see photo)This is because of the installation,...
View ArticleBQ76940: BQ76940 voltage sampling error
Part Number:BQ769402 bq76940 devices are used for monitoring the 30 cells connected in series, the upper device and bottom are ok. when we design 26 series battery(upper device monitoring 11 series...
View ArticleBQ76PL455A-Q1: Can BQ76PL455A-Q1 work with ISO 26262 ASIL C grade?
Part Number:BQ76PL455A-Q1Dear experts,Can you tell me if the BQ76PL455A-Q1 work with ISO 26262 ASIL C grade? I can't find this information on datasheet.Thanks.
View ArticleBQ76200: Unused Precharge FET Driving Pin
Part Number:BQ76200Hi,I am looking into the precharge FET control of bq76200. I could tell from the datasheet that driver sources -12V to fully turn on a high-side PMOS. When the driver is 'off', would...
View ArticleLM4132: Is this part designed so by default the output voltage is Enabled if...
Part Number:LM4132While sufficient Vin voltage is applied, if the EN input (pin 3 on the SOT23) is not terminated and is left floating is the reference voltage at the output (pin 5 on the SOT23)...
View ArticleTPS4H160-Q1: higher switch speed than TPS4H160-Q1
Part Number:TPS4H160-Q1Dear Team,My customer is using TPS4H160-Q1 before, but they need higher switch speed than TPS4H160-Q1. Could you please let me know if we have suitable device to meet their...
View ArticleLM74700-Q1: Behavior in light load condition
Part Number:LM74700-Q1Hi Team,Could you tell me how LM74700 behaves in light load condition?According to the datasheet, LM74700 controls FET's gate voltage to keep Vds to 20mV fundamentally. But I...
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