seeking charger solutions
I am seeking a charger includes below spec:VIN 5VCharging current 1ABattery 4.2VIC package around 3x3mmLED function (charging/full charge/low battery alarm)control mode: Stand-alonecan you give me...
View ArticleTPS40428: TPS40428 PG pin waveform,not to use PMBus to control Voltage ripple...
Part Number:TPS40428I want to use TPS40428 to supply Xilinx Kintex UlltraScale Chip. It outputs 0.95V. I do not want to use PMBUS to realize power supply. Please provide reference design. Please...
View ArticleTPS40170: TPS40K compensation calculator tool
Part Number:TPS40170Hi team,I used a compensation calculator tool for TPS40170.(TPS40KType III Loop Stability kVenable_sluc263c-071312.xlsx)1. I entered a data in "VIN".But R's and C's value didn't...
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UCC28780: UCC28780+GaN+UCC24612 SR MOS damage
Part Number:UCC28780I use the UCC28780+GaN in my 65W A+C project, (has two ports: type A+type C). I open the port A output when the C port has 20V output, then the SR MOS damage.My RM8 transformer...
View ArticleTPS22976: How to handle of unused pins?
Part Number:TPS22976TPS22976 has two channels. How should they handle the pins of unused channel when customer uses only one channel?Can they handle pins as follows?VINx : OPENONx : GNDCTx : OPENVOUTx...
View ArticleTPS546C20A: tps546c20a PMbus issue
Part Number:TPS546C20Atps546c20a PMbus issueDoes PMBUS initialize every time you power up the tps546c20a?How to set up PMBUS?TPS546C20A to restart after Power off?
View ArticleLM3880-Q1: maximum pull up resistor for LM3880-Q1
Part Number:LM3880-Q1Hello team,My customer wants to decrease quiescent current at standby situation for LM3880-Q1.LM3880-Q1 output should be 'L' at standby.So, The current is needed not only LM3880-Q1...
View ArticleBQ34Z100-G1: BQ34Z110 vs BQ34Z100-G1
Part Number:BQ34Z100-G1Hello,we use component which is not recommended for new design. We use BQ34Z110 with two Pb accumulators (12V 7200 mAh in the serial connection of accumulators). In the future,...
View ArticleLM5021: about vertical current limit stop
Part Number:LM5021Hi,Does LM5021 have vertical current limit stop?And, our customer has plan to design isolated dc/dc. That input in DC400V - DC1000V, output power is 10W.They found the TIDA-010000,...
View ArticleTPS63020: Phase margin improvement method
Part Number:TPS63020Hi,I am troubled that the phase margin of TPS63020 can only be about 30 deg.Please tell me how to improve the phase margin.Also, please tell me how much phase margin is...
View ArticleSMPS-Test Plan and procedure for bring up and validation
Hi Everyone,Greetings !!Iam new to the power supply design. We have designed power supply with UCC28064A and UCC256301 IC (PFC+LLC IC). Almost all design part are completed and now planning to start...
View ArticleLM76202-Q1: footprint
Part Number:LM76202-Q1Hello Do we have footprint data of LM76202Q1? Thank you. BRPatrick
View ArticleTPS40210: TPS40210 for 12~24V to 24V 6A design
Part Number:TPS40210Hi Sir,Our customer want to Design the 12V~24V to 24V@6A isolation power,But the PMP30524 only 24V@1A, Does TI have 24V@6A ref design? or other best solution for this application? Hugo
View ArticleLMR23630: Do you have any device same pin assignment as LMR23630 and...
Part Number:LMR23630 Hello guys, One of my customers is evaluating LMR23630ADDA for their new products. But the LM23630A is into hiccup mode in the evaluation because their load capacitance connected...
View ArticleTPS23752: How to generate PWM in TPS23752 between PWM and VFO mode
Part Number:TPS23752hello, there is no details about how TPS23752 generate PWM signal in the datasheet.I'm interested in how the PWM generate in both PWM and VFO mode. Is there a document that cover my...
View ArticleBQ21040: Need understanding
Part Number:BQ21040Hey Hi ,I am designing one application , in which Power Supply is always connected to system.All I need is the emergency backup supply when their is no Power Supply using Lithium ion...
View ArticleTPS61500: May TPS61500 can support 5Vin Vout 24V Iout 400mA?
Part Number:TPS61500Hi Sir May TPS61500 can support 5Vin Vout 24V Iout 400mA?if it can't support, Customer can change Vin =9V Vout 24V Iout 400mA. is it can work?And may we have automotive solution for...
View ArticleBQ25890: What is the power consumption per each ADC conversion on battery...
Part Number:BQ25890Dear E2E,What is the power consumption per each ADC conversion on battery voltage?BR,Jason
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UCC28950: UCC28590 PSFB at light load can't ZVS
Part Number:UCC28950The PSFB in the light load behind the arm how to enter the ZVS countermeasuresPlease refer to the following test waveforms
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BQ77PL900: Balancing questions
Part Number:BQ77PL900Hi Ti.I have some questions about BQ77PL900's cell balancing operation.Please let me know.1. I already knew cell balancing is operated in VOV ~ (VOV – ΔVOVH), But when discharging,...
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