+5VDC & -15VDC FROM +15VDC SUPPLY QUESTION
+5VDC & -15VDC FROM +15VDC SUPPLY QUESTIONREASON I ASK IS I DON'T KNOW 100% FOR SURE? ANY ENGINEER'S ANSWER.FROM +15VDC I WANT TO POWER an AD570, DATASHEET SUGGESTS USING +5V AND -15V SUPPLY.CAN I...
View Articleone device to suit two negative voltage generate
Hi,Need a recommendation, one device to suit two negative voltage generate, 5V to-5V, 2.5V to -2.5V。Tens of mA current need. What's TI most cost-effective solution？ please kindly give your suggestion.
View ArticleLM3670MF-ADJ
we do see similar issue and trying to open http://www.ti.com/lit/an/snva689/snva689.pdf but not able open please do help
View ArticleBQ27750: without button WakeUp
Part Number: BQ27750Hello. I make battery power for my RPi and use the BQ27750 FW (bq27750_v0_05_build_13.srec). Help with the settings of the FW.I want the b27750 to turn itself on without pressing...
View ArticleTPS54200EVM-818: TPS54200EVM-818
Part Number: TPS54200EVM-818I noted that there are resistors R10, R12 and R7 that are on the board but not in the schematics.How come?
View ArticleBQ34Z100-G1: Should we scale and calibrate the current before or after the...
Part Number: BQ34Z100-G1If the actual current of my equipment is greater than 32 A and needs to be divide by 5 times.When calibrating the current, I set the loading current as 5A, and type in the value...
View ArticleUCC21530: DC-DC Converter: Dual Active Bridge vs LLC
Part Number: UCC21530I am designing a DC DC converter with the reference design TIDA-010054. It is a 5kW 400V to 280V converter.The reference design says:The following four popular topologies were...
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TPS2121: TPS2121 doesn't switch over between 12V and 6V
Part Number: TPS2121We are using TPS2121 as a power path switch between 12V supply and 6V supply. When the voltage is 12V it should give 12V as output, which it does. But when the 12V power goes 0, the...
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LMG3410R070: Pspice model doesn't work in LTspice
Part Number: LMG3410R070Hi team,My customer import LMG3410R070 pspice model to LTSPICE, but they failed to use it. Can you look into this issue? Thanks.Dongbao
View ArticleBQ24253: How to use the BQ24253 with a USB and Wall Mount PS Adaptor charging...
Part Number: BQ24253I need to charge a single lithium ion battery. I selected the BQ24253 because it supports both USB through D+ and D- detection and EN1 and EN2 detection. I have been reading through...
View ArticleCCS/BQ500215: Required I2C interfacing for monitoring internal variables
Part Number: BQ500215Tool/software: Code Composer StudioI have just purchased BQ500215EVM-648 and bq51221EVM-520 boards. For I2C interfacing communication I also purchased CodeWarrior USB TAP.My...
View ArticleBQ25618: PSEL connection
Part Number: BQ25618Could you help our customer to which PSEL connect to keep PSEL=high state in power up from no battery condition.According to 8.3.3 Power up from input source section, REGN power up...
View ArticleTPS65130: Recommended TI part for split voltage power supply
Part Number: TPS65130Hello, Hi, I'm developing a circuit for guitar including an OPA1641 as pre-amp, and 2 buffer stages. My design will require +/-15V, generated from +9V (or 3.3-5V if required, those...
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TLV61220: Vout can't reach 3.3V
Part Number: TLV61220Hi team,1. My customer use the TLV61220 to boost the 3V to 3.3V to supply the Bluetooth module. 2. During their test, when they lowered the Vin to 2.7V, they found that the Vout is...
View ArticleLM5180-Q1: LM5180 power supply synchronization & Simplest way to generate the...
Part Number: LM5180-Q1Hello ,I am using LM5180 for generating IGBT gate driver power supply(+15 and -8V),since it is 3 phase inverter i am using six LM5180 (3 for high side and 3 for lowside).How to...
View ArticleTraditiona CC/CV mentionned in snva829 application note
I went through the application note snva829 page 2 and 3, the circuit in figure one is a traditional CC CV circuit, but I did not understant what is the relationship between the current flowing...
View ArticleTPS2H000-Q1: Current monitor and channel selection pins
Part Number: TPS2H000-Q1Hi guys, im designing a board that require to interface to PLC. Im using TPS2H000-Q1 to send 5v signal from MCU to 24V PLC input module (so the current is very low) and I dont...
View ArticleBQ76PL455A-Q1: Connecting Arduino with the above mentioned board.
Part Number: BQ76PL455A-Q1I am working of BMS and i want to connect Bq76pl455a-q1 with arduino. Can you please tell how to interface these two board and what is the code for connecting this module....
View ArticleBQ24075: Will BQ24075 work when terminal pad isn't connected to VSS?
Part Number: BQ24075I know it is listed in the datasheet that I should connect the terminal pad with VSS. But I have a PCB design which is already turned into real PCB, and I forgot to connect the...
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LMR16010: the sleep mode in LMR16010 and ECO-mode in other devices
Part Number: LMR16010Hi team,I have some question about the sleep mode in LMR16010 and ECO-mode in other devices1. What's the difference between the ECO-mode in other device and sleep mode in...
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