LM25085A: High output current
Part Number:LM25085AHiWe plan to operate LM25085A with following requirement.INPUT:17V-25VOUTPUT:16V/3A (8A peak)Enable LM25085AMYEEVAL could not support for this requirement.Could it be feasible to...
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BQ25601: Undershoot
Part Number:BQ25601HI,My customer concerns Undershoot at Switching node output and PWN high side driver positive supply. Figure 1. Undershoot for BTST pinFigure 2. Undershoot for SW1 and SW2 pinThe...
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BQ24296M: BQ24296M SW EOS( Short to Ground)
Part Number:BQ24296Mdear TI,My customer used the BQ24296M, there are 3% failed for the SW pin short to ground. they set the 2A charger current, they have made the high and low temperature as below...
View ArticleBQ77915: Operation of external MOSFETs
Part Number:BQ77915Hi,We are intending to use external MOSFETs as we require higher balancing current than 50mA.When will the external MOSFET turn on ?Is there any specific part number for the external...
View ArticleTPS54340: OCP and shorted circuit performance
Part Number:TPS54340Hi Team,Here are some question about OCP and shorted circuit protection:1. OCP and shorted circuit protection is retry or latched?2. If it's retry, then what is the retry mechanism...
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TPS54331: EN pin used as enable/disable function
Part Number:TPS54331Hi,I have this design, TPS54331 is enabled using the 100k internal pull up of microcontroller and an external 100k pull down. The uC set the pin as input 100k pull up after reset,...
View ArticleLM3644: maximum current in Torch mode
Part Number:LM3644Dear Ti experts,Below is from the datasheet of Lm3644, does it mean LM3644 can output 179ma maximum current in seperated channel at the same time ? Besides， when we combine the 2...
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LMR23630: How to calculate the phase and again margin?
Part Number:LMR23630Following is the circuit of an existing design:As in normal buck regulators, feedback path is R1 and R2.Apart from that their is an additional differential voltage feedback path....
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UCC28063: Phase issue
Part Number:UCC28063I also have the phase issue. Why does the application note SNVA796–October 2017 also have non 180-degree phase shift when input voltage is 264V?The current sensor signal of my PFC...
View ArticleBQ34Z950: Error in Battery Capacity Calculation (Relative SoC and Absolute SoC)
Part Number:BQ34Z950Dear All,I am using BQ34z950 as a BMS for my battery pack. I have a battery pack of 16800mV 43200 mAh. Every time I read the Relative State of Charge(0x0D) register via SMBUS it...
View ArticleCCS/UCD3138A64OEVM-662: interfacing wifi via uart
Part Number:UCD3138A64OEVM-662Tool/software: Code Composer Studiovoid init_uart0(void) {volatile unsigned char rx_byte;Uart0Regs.UARTCTRL3.bit.SW_RESET = 0; //software reset while initializing...
View ArticleDC-DC power need!
hi team:I want designed VIN 11.5 – 13.8 V,Don't isolate output Vout ±17.5V / 2A ,do you have Any Suggestions? Thanks!
View ArticleBQ25703A: BQ703A
Part Number:BQ25703AHIfirst case: the power supply is not removed How the charger powers the system and charges the battery at the same time?second case: when the power is removed How does the battery...
View ArticleTPS56C215: fast discharge function by SS pin
Part Number:TPS56C215Hi Team,We want to use SS pin of TPS568215& TPS56C215 for fast discharge purpose. Is it workable or any potential risks? Please comment, thanks!Condition#1, SS pin is shorted...
View ArticleTPS61194-Q1: how can I get more the 100mA output from TPS61194-Q1
Part Number:TPS61194-Q1HI Sir，the specification shows "Outputs can be Combined Externally forHigher Current per String"it that means combine the two outputs together can double the output current?if I...
View ArticleTPS3850: Availability or parts
Part Number:TPS3850Looking on the datasheet suggests that a 0.9V part would be available but it is not listed in the orderable information of the datasheet or the web site. I would expect the part...
View ArticleBQ28Z610: HTCFR26650 low temperature full charge estimation issue
Part Number:BQ28Z610Hello!I'm facing unexpected behavior when using HTCFR26650 2 cell pack.As soon as temperature is lower than some threshold the full charge and remaining charge estimation goes wild...
View ArticleBQ24259: what's VREF range?
Part Number:BQ24259Hi,in datasheet I2C is pulled up to VREF, but I can't find VREF range for the device to work correctly.And it only gives Vih and Vil when VREF=1.8V, how about other VREF voltage?
View ArticleUCC5320: Vcc2 limit for UCC53x0 Single-Channel Isolated Gate Drivers
Part Number:UCC5320Hello,I have to use a isolated driver to drive MOSFET quickly.Data sheet page 27 § 10.3 say : For operation with unipolar supply, the VCC2 supply is connected to 15 V with respect to...
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LM5050-2: Application with Reversed Input Voltage
Part Number:LM5050-2Hello Team,Could you help with our customer's question:We are going to implement circuit from Figure 25 of datasheet(SNVS679B –NOVEMBER 2010–REVISED MARCH 2013).What is the usage of...
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