BQ27441-G1: Please help to recommend a suitable gauge solution
Part Number: BQ27441-G1Hi team,My customer would like to monitor the battery power for the ER34615 (Lithium-thionyl Chloride), which is a one time usage battery.ER34615...
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TPS56C215: The Fsw setting tolerance of TPS568215&TPS56C215
Part Number: TPS56C215Dear Sir,Our cusormer currently desgin TPS568215&TPS56C215 in thier project. and RD feedback that the Fsw is the not as accurate as the swtiching frequncey chart shown in the...
View ArticleLM5045: Question about Enable pin
Part Number: LM5045Hi,When I check Pin Functions in the datasheet on page 4, there is no Enable pin.Please let me know how can I enable/disable the control IC?Tim
View ArticleBQ25895: want to know how long the time will BQ25895 take when VBUS drop and...
Part Number: BQ25895Hi All I want to know how long the time will BQ25895 take when VBUS drop and the bat begin to output，thanks
View ArticleTPS7A7200: the output range of tps7a7200
Part Number: TPS7A7200Hello Bu team,My customer is using tps7a7200, and we noted the min output voltage is from 0.9V, but its reference is 0.5V, so whether we can set the output from 0.5V? if not,...
View ArticleBQ34Z100-G1: How to use MCU to update the srec file to BQ34Z100?
Part Number: BQ34Z100-G1Dear sir,a quick question: Customer plan to use MCU to update the srec file of BQ34Z100, do you have some document about it?Regards,Jack
View ArticleLP2992: Output Capacitor ESR
Part Number: LP2992Hello team,I have a question about LP2992 ESR requirement for output capacitor.Capacitor's ESR has frequency characteristics. What frequency range should we see for the ESR...
View ArticleUCC28780: Brown-in/Brown-out Measurement
Part Number: UCC28780Hello,Is there any information about when the UCC28780 takes its measurement of the input voltage? Is it averaged or is there a single sample taken every time QL is turned on?Due...
View ArticleLM317L: What is the current limit torlerence?
Part Number: LM317LDear Sir,Please check the datasheet page 12 "9.3.6 50-mA Constant-Current Battery-Charger Circuit".I want to use the current regulator to limit the input current.My resistor...
View ArticleBQ76930: what will happen if the disconnection between the VCx and battery...
Part Number: BQ76930 what will happen if the disconnection happens between the VCx and battery pack when bq76930 is running, especially VC5? does it cause any problems?
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TLV62585: Kink or triangle waveform occurs at start-up
Part Number: TLV62585Hi Team, My customer use the TLV62585 evm to test the start-up waveform. They saw a kind of kink or triangle waveform happening at power on just the same as the figure 16 in...
View ArticleUCC20225: SOIC package availability
Part Number: UCC20225Dear sir,Could you suggest any driver IC similar to UCC20225 (operating temperature : -40degC to +125degC, which is having complimentary low side drive with dead-time adjustment...
View ArticleTPS65910: Backup Battery Discharge
Part Number: TPS65910Hi,I have a supercap of 0.22F 5.5V (pn FGH0H224ZF) connected to the VBACKUP pin of the TPS65910A3A1RSLR.The PMIC is configured to charge the supercap at VBAT = 5.0V (BBSEL =...
View ArticleEMB1499Q: detail guide on application
Part Number: EMB1499QHi Team,just want to check if there is more detailed description on EMB1499Q. The datasheet seems not so detailed. Customer want to get more info to start. Thanks. BRsGiven
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TPS715: TPS71501 - voltage ripple on FB Pin
Part Number: TPS715Hello,I'm using the TPS71501 for generating 3.9V out of 5V. The devider resistors are R1=2.2 Meg and R1=1 Meg.The output voltage is quite ok, but on the FB pin I can measure a...
View ArticleLM5155: usage of PGOOD pin
Part Number: LM5155Hi teams,I have a question about pgood pin of LM5155.When you don't use pgood function, can you leave this pin open?best regards,Takuya
View ArticleUC1834-SP: MOSFET as pass element
Part Number: UC1834-SPHello,I am using UC1834 as a regulator after flyback DC-DC converter with MOSFET (JANSR2N7550T1) as the pass element. The output specifications for regulator are Vout=4V, Iout=0.2...
View ArticleTPS549A20: Roadmap
Part Number: TPS549A20Dear Team,Is this one be the only device which have I2C?My customer is looking for 15~40A DCDC with I2C.Please share the road map with me by mailBRKevin
View ArticleTL2845: junction temperature and ambient temperature
Part Number: TL2845Hi,in TL2845 datasheet, we have "Operating free-air temperature" in recommended operating conditions.And we have "Virtual junction temperature" in absolute maximum ratings.My...
View ArticleLi-ion charger IC which can switch trickle charge and normal charge...
Hello experts,My customer is looking for charger IC which can switch trickle charge (10mA) and normal charge(470mA) automaticaly.They don't want to use software for switching chrge mode...
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