WEBENCH® Tools/LM5122: Is this IC good for 3-44 VDC input to fixed 48 VDC?
Part Number:LM5122Tool/software: WEBENCH® Design ToolsHello,The Webench tool does not allow such values, but the datasheet does:Input: 3 to 44 VDCOutput: fixed 48 VDC @ 10 ADo you confirm the LM5122...
View ArticleLM2776: LM2776
Part Number:LM2776hi Team,I am using LM2776 device to generate Negative 3.3V from +3.3V as Input supply. Both these voltages, +/- 3.3V, is applied as supply voltages of 3 OP-AMP and 1 Instrumentation...
View ArticleTPS548B22: VBP = 2.93V for MODE / VSEL / FSEL setting
Part Number:TPS548B22Hello TI,We're using TPS548B22 as our DCDC Buck converter solution. Our customer and we have a question regarding the VBP voltage for MODE / VSEL / FSEL setting.The VBP is 5.07V in...
View ArticleHigh reliability switching regulator with remote sensing feature.
Hi, Microsemi has strong FPGA products in space grade temperature. Our FPGA has the remote sensing pins for Core voltage and GND. We are looking for a switching regulator with remote sensing feature...
View ArticleBQ25708: Battery charging in Precharging mode
Part Number:BQ25708Dear support,in the datasheet is metioned, that a deeply discharged battery is charged in precharge-mode.What is the function of "VVBAT_UVLO"? Does the charger tries to charge a...
View ArticleTPS22917: RCB in disable mode
Part Number:TPS22917hiwhen the tps22917 is disable, the RCB is not working, right?what woule happen if VOUT = 4V and VIN =1-2V?will there be reverse current flowing?is there any risk to damage the...
View ArticleUCC27714: HB,HS,HO leakage failure
Part Number:UCC27714Three phase motor 12.5kHz PWM commutation 100VDC cause random failure to HS/HO junction, no signs of under/over shoot HO via soft turn on/off compensation resistors.The means of...
View ArticleTPS650830: Long press PWRBTNIN to trigger shutdown
Part Number:TPS650830Hi,Based on the setting of FLT bits, we can long press PWRBTN to trigger an emergency shutdown. THe questions are,After PWRBTNIN is released, how long it takes to finish an...
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TPS65910: Startup waveform overshoot
Part Number:TPS65910Hi team,My customer is using TPS65910 as the PMIC of the AM5728. But they have some questions about the startup waveform.As you could see below waveform, VPLL have the Startup...
View ArticleUCC28061: Applicability Area
Part Number:UCC28061Hi,I am a design engineer. I am facing a persistent failure occuring in PFC circuit. We use UCC28061D as a PFC controller. At start-up, UCC28061D get fatal damage accompanied by...
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TPS62130: Inductor for switching sometimes making noise.
Part Number:TPS62130Hello everyone,I have a power management circuit, in which the main regulation is done by TPS62130 switching regulator. It converts upto 8.4v of DC supply from a Li-Ion battery pack...
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UCC28951: the PSFB can't work using UCC28951 when the output power higher...
Part Number:UCC28951Hi,customer use UCC28951 as phase shift full bridge controller and use UCC21521C as SiC driver, input voltage is 500VDC, output is 27.5V /3kW。the circuit is refer to datasheet as...
View ArticleBQ34Z100-G1: RemCap, FullChgCap, TrueRC and TrueFCC
Part Number:BQ34Z100-G1Please see attached gg and log. Chem ID is 457.RemCap, FullChgCap, TrueRC, TrueFCC all drop in value during charge when the current is still well above the taper setting...
View ArticleUCC28180: AC24V Input U
Part Number:UCC28180Hi Sir: We have one application for UCC28180 Which Input is AC24V and Output is 60V 2A,We use Tina II for simulation but output ripple was very bigger ,as attached...
View ArticleUCC1804: UCC1804
Part Number:UCC1804Dear SIrs, good afternoon!Could you help us to clarify if it is acceptable that in microchip UCC 1804J there is bare die (crystal) - UCC 3804? And what is the reason?We are looking...
View ArticleTPS92515: TPS92515: Operation current
Part Number:TPS92515Hello thereI have to design a standby power consumption optimized design with the TPS92515.The LEDs are turned off: Vadj is directly tied to Vcc. PWM input is controlled by uC and...
View ArticleLM74700-Q1: Spice model LM74700-Q1
Part Number:LM74700-Q1Hello,is a spice model for the LM74700-Q1 available?Regards,Markus
View ArticleTPS3813: Datasheet discrepancy on WDI
Part Number:TPS3813Team,The latest datasheet from the T.I. website (July 2016) has the following text at paragraph 8.3.1:“The TPS3813xxx family of devices have a watchdog timer that must be...
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LM25117: No output, what's different between webench and evm?
Part Number:LM25117We followed TI webench tool to designed LM25117, input is 18 to 26V and output is 16V/7A. The resault is no output during test, and we found schematic is different between webench...
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BQ27530-G1: An error in flowchart for programming the chip in production.
Part Number:BQ27530-G1Hi,I believe I have found an error in the document "Going to production with BQ275xx..." ( http://www.ti.com/lit/an/slua449f/slua449f.pdfWhat I have learned trying to make the...
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