TPS2595: High shutdown current observed while using the TPS259573 as a BPS.
Part Number:TPS2595I am using the TPS259573 as a BPS according the to the reference design in the following application note (Figure 14). When connected to a power supply or a battery, the battery side...
View ArticleNeed to send 5v DC power from the power mains to Arduino as well as wireless...
I need to power the Arduino which is connected with wireless counter transmitter device which is connected 20 meters far from the power mains board, I need to know any best way which will help me to...
View ArticleBQ24259: Impedance of Q4 MOS in BQ24259
Part Number:BQ24259HI;How can I determine the impedance of Q4 MOS between SYS and BAT? Is it a fixed value or will it change with temperature
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TPS3808-Q1: The system can not power on.
Part Number:TPS3808-Q1Dears:Could you kindly help to check the schematic as below picture:The system can not power on, and test the voltage of 3V3_SR is OK.The value of MR is high, however the RST is...
View ArticleTPS23880: Schematic Review
Part Number:TPS23880Hi,Could you please help to check the schematic, thank you.(Please visit the site to view this file)Best Regards,C.T.
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UCC28700-Q1: Dot convention on transformer
Part Number:UCC28700-Q1Hello,I am using UCC28700-Q1 for DC-DC converter. In the typical application circuit of the datasheet (Page No. 17) Â Primary & Auxiliary side of transformer are out of phase...
View ArticleLM25066A: Limitation for higher current on 12V system power
Part Number:LM25066AHi Team,The LM25066A is an ideal 12V hotswap solution for the use in server platforms, usually two external power MOSFETs (i.e. 5x6mm package) are used in parallel in our design to...
View ArticleLM3409: Customer tested the power consumption has difference between 7 boards?
Part Number:LM3409Dears:Could you kindly help to check the below schematic, since customer tested the power consumption(The red dot in below picuture) has difference between 7 boards.And the difference...
View ArticleUCC28056: UCC28056
Part Number:UCC28056Dear TI-Team,is there an LT-Spice model of UCC28056 available and if so could you please send it to my Mail Adress or answer with a link ?Thank you very much.SincerelyRené
View ArticleBattery Charger IC
Hi,I am looking for battery charger IC for charging single Li-ion battery. The charger should have OVP, OCP, OTP and reverse battery protection. The charging current should be able to set via external...
View ArticleBQ24259: Boost Mode & Charger Suspend Mode, VBUS and PMID Output?
Part Number:BQ24259Hi Expert,It's a TWS project, needs charger and boost IC. We want to check the VBUS and PMID status at charger suspend mode and boost mode. Can you help to check the below table?...
View ArticleBQ27530-G1: the meaning of Standard and Control() subcommands
Part Number:BQ27530-G1Team, is there a document that explains more the standard commands and Control() subcommands for the bq27530-G1?I could not find what is the difference between TrueSOC() and...
View ArticleDC/DC with supercap/battery backup for last gasp
I have an issue I need to resolve quickly. We have a product that needs a last gasp feature. It needs to supply on average 100mA for 90 seconds with current peaks of up to 300mA for 10-100mS maybe 5...
View ArticleLM5175: BUCK BOOST CONVERTER
Part Number:LM5175Dear Sir,Is there any IC similar to LM5175 where I can control the output voltage from external PWM signal through micro-controller (MSP) . I want to driver 4 MOSFET switches for...
View ArticleBQ29312: Input Current VC-Inputs
Part Number:BQ29312Hello,we use the BQ29312 for our batteries. What is the typical and maximum input current for the VCx Inputs.(VC1, VC2,VC3,VC4,VC5)?. At one input i measured >1mA with 4.2V and i...
View ArticleLM5069: Constant Current Source
Part Number:LM5069I wonder if I can use this IC as a controller for a constant current source. I am thinking of connecting a MOSFET in parallel with the TIMER capacitor, so after a successful startup,...
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TPS57160-Q1: Output Voltage, if input voltage varies
Part Number:TPS57160-Q1I am using TPS57160-Q1 based buck regulator circuit in my design.I have separate supplies at VIN and ENABLE pins. Not connected to the same voltage supply.Input voltage will vary...
View ArticleLP87564-Q1: Combining outputs using droop (current sense) resistors
Part Number:LP87564-Q1Since the LP87562 is not available yet, I'm combining three outputs of the LP87564 using 10mOhm resistors (after the feedback point). The current balancing works well and the...
View ArticleTPS7A4501-SP: Floating metal?
Part Number:TPS7A4501-SPHello,From the datasheet, I am not clear if 5962R1222403VXC has a floating metal lid or if it is electrically connected to anything. Is any part of the case electrically...
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BQ25713: How to fully power down the charger?
Part Number:BQ25713Hello.In my design, the battery will work as a backup to sustain device functioning for a while in case of mains fault. Equipement is powered off either by the operator or when...
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