BQ24610: Power dissipation calculation
Part Number:BQ24610Hi Ti,Currently i'm checking the charger IC thermal performance. Surprisingly the IC produce very high heat even the Iac current (base on datasheet) is just 25mA. For below...
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BQ25504: Behavior of BQ25504 VSTOR, VBAT, VBAT_OK
Part Number:BQ25504Hi sir,Follow the picture from datasheet which is shown as below,When the VSTOR > VBAT_UV, internal PMOS will be opened that VSTOR will = VBAT. When VBAT arrive to VBAT_OK_HYST,...
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CSD19536KTT: NMOS/PMOS available to disconnect ground?
Part Number:CSD19536KTTHi, guys.I'm using the application notehttp://www.ti.com/lit/an/snoa474a/snoa474a.pdfto create the Howland Current Pump with OPA551 with an MSP-EXP432P401R launchpad.A periodic...
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BQ34Z100-G1: The capacity is wrong after restoring the firmware.
Part Number:BQ34Z100-G1 I got the correct data from the first device (full capacity, SOH, SOC, etc...) and produced and exported the SREC file, which was imported on a new BQ34Z100-G1 board. File,...
View ArticleBQ4050: Large Ah drop
Part Number:BQ4050Hi,We uploaded the values sent by TI's GPC tool into the gauge. In the GPC report ,deviation was observed in SOC and when asked TI about the accuracy , we were advised to run the...
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TPS65950: What's the status of CLKEN(PIN:C6) during power-on?
Part Number:TPS65950what's the status of CLKEN(PIN:C6) before VIO stabilization during power-on?is it floating?
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TPS23753A: Output voltage unstable issue
Part Number:TPS23753AHi Sir,We test below schematic. The output voltage unstable at no load (as below waveform). Could you help to check how to fine tune for this issue? Thanks! Ch1: VSS pin with...
View ArticleBQ27421EVM-G1A: Storing Qmax and Ra Tables in NVM To Maintain Learned Data
Part Number:BQ27421EVM-G1AAll,I am attempting to redundantly ensure that I do not lose learned data about my battery when the battery is low. In case the gas gauge does lose battery, I was hoping to be...
View ArticleTPS92513: Frequency range of PDIM causes the stripes in camera‘s image
Part Number:TPS92513We found that the frequency of PDIM signal need to higher than 10khz to avoid the stripes . 20Khz will be better.So i decide to use the ADJ pin to adjust the current instead of...
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PTH05050W: Differences between leaded and leadfree
Part Number:PTH05050WHi Support,Would need your help to check and advise on below: MPN: PTH05050WAS – leadedWhat is the adhesive used to adhere the black plate to the lead.And what is the function of...
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TPS53219A: application for 26V VDD
Part Number:TPS53219AHi,If in our application, VDD will up to 26V (spec recommend 25V), then:1. Is 26V okey for VDD? (even the abs. max is 18V)2. Or can I use LDO for VDD power? Is this any side...
View ArticleLP5569: LP5569 pin connect with others via i2c
Part Number:LP5569Hi all,We would like to use MSP-EXP432P401R LaunchPad development kit for LP5569 development.Which pins can be used for develop?Can we connect i2c pin of MSP-EXP432P401R LaunchPad...
View ArticleBQ40Z50-R2: Battery Monitoring Solution.
Part Number:BQ40Z50-R2Sir,We have received bq40z50EVM Li-Ion Battery Pack Manager Evaluation.we are planning start programming & trials.We have checked for EV2300 ,for which cost is 20K.please let...
View ArticleLP8552: operating ambient temperature?
Part Number:LP8552Hi,we want to use LP8552 but we can not be sure of its operating temperature spec. In datasheet there writes -30C to +85C at section 7.3 but -40C to +85C at packaging information...
View ArticleUCC21710QDWEVM-025: Do we need an external IGBT or Load to test the EVM Board ?
Part Number:UCC21710QDWEVM-025We have to test the input and output switching wave forms, given in section 2.2.2 in the user guide. How do we simulate an IGBT on the output side. Do we need an IGBT on...
View ArticleTPS84259: Is it feasible to generate -12V from a 12V supply?
Part Number:TPS84259Is it feasible to generate -12V from a 12V supply with TPS84259?From the first graph shown in the datasheet I guess that it is possbile and that in this condition the output current...
View ArticleLMR14050-Q1: Voltage control of an inductive load
Part Number:LMR14050-Q1The aim is to control the voltage supply of an inductive load in a car. The voltage curve is defined as follows:Voltage increase from 0 to 12 VDC via ramp within a given timeKeep...
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BQ24070: Battery charger ic
Part Number:BQ24070 Below details need, the designing for 4G modem 1) If we give input Voltage 5V can we get the o/P voltage 4.2V Max and it should not go beyond this voltage level. Plz confirm also...
View ArticleTPS65910: I2C glitch
Part Number:TPS65910Hi team, I noticed the the doc mentioning the TPS65910 not handling well glitch on I2C. Solution is to repeat I2C access. How much time we should delay after 1st attempt and before...
View ArticleTPS61169: How to calculate the maximum output current of TPS61169
Part Number:TPS61169Dear : I want to check if TPS61169 can support 3.3V to 12V/0.3A application? How to calculate the maximum output current of TPS61169? When I get the Vin/Vout value....
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