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BQ25155: I2C communication speed concern
Part Number: BQ25155Hi Team,Customer get on question about BQ25155 I2C communication speed. The datasheet shows that the I2C frequency is allowed 100kHz(min), 400kHz(max). However, what the test on...
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ISO5852S: Multiple PCB stackup giudance for ISO5852S gate driver
Part Number: ISO5852SDea sir,we are using ISO5852S gate driver for our motor drive application. Due to space constrian, we wish to stackup the PCB as shown in the image below. Its recommended to not to...
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BQ2000: BQ2000's design question
Part Number: BQ2000Hi Team ,My customer is using BQ2000 as solution for their application , and they are refer the EVM to build schematic for their design their using case is : 5Vin to charge 3 cell...
View ArticleBQ40Z50-R2: PFStatus(TS1)
Part Number: BQ40Z50-R2Hello guys,I use many bq40z50R2 and sometimes i get after assembling an permanent failure which disables CHG and DSG Fets. Question: 1. At which condition the PFStatus(TS1)...
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BQ25619: test condition of Ibst in
Part Number: BQ25619Hi team,I'm looking at BQ25619 datasheet, find something confused.In datasheet, the IBST parameter, the test condition is VBAT = 4.5, VBUS = 5V, boost mode enabled. Converter...
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BQ76200: DSG and CHG don't remain ON and VDDCP maybe is too low!
Part Number: BQ76200Hello,I' m usind following schematics for my circuit: For Charging part:with RCHG = 470ohm, Rb=100ohm, Cb=10nF, Rgs_chg2=4.7Mohm, Rgs_chg1=10MohmFor discharging part:with:...
View ArticleTPS82140: Entery capacitor becomes in short-circuit
Part Number: TPS82140Hello,i made a design powered by a TPS82140. The product is a GSM (2G) Modem, so we have some current peaks (less than 1A at the entry).Components are the same as datasheet...
View ArticleTPS57040-Q1: Minimum controllable On time for worst case analysis
Part Number: TPS57040-Q1Hi,I am working on worst case analysis for the TPS57040-Q1 circuit. The datasheet of the device indicates that the minimum controllable On time is typically 130 ns. Then, what...
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BQ25606: Battery cannot be charged.
Part Number: BQ25606Without Battery connection, The SW pin output 2.2V mean only. Sys pin output 2.2V.
View ArticleBQ35100: Force reset won't clear the accumulatedcapacity buffer
Part Number: BQ35100Dear TI-Forum users,As the title describes, a force reset in unsealed mode doesn't clear the 0x02 flash read register.This is what I do now as referred in 8.2.2.2.1 of the...
View ArticleBQ78350-R1: BatteryMode() issue
Part Number: BQ78350-R1Hello;I'm having problems when attempting to set the CAPM bit in the BatteryMode() command. I can successfully read and write from/to other SBS commands...But when attempting to...
View ArticleUC1875-SP: 180deg Phase
Part Number: UC1875-SPHi Team,My customer is looking at using both the UC1875-SP and UC1825B-SP in a new application. We would like to understand if either of the two products can be configured such...
View ArticleFUSION_DIGITAL_POWER_DESIGNER tool
Hi, My customer have been reading in forums that TI is not planning on providing fusion software compatible with windows 10. They use this software regularly and it's big deal. They're being forced by...
View ArticleBQ24650: Solar Panel Input Detection
Part Number: BQ24650Hi Team,My customer is wondering if the BQ24650 has any feature to indicate a status signal for external solar power available? Ideally this signal would be sent over to their host...
View ArticleTPS720-Q1: Looking for alternative device w/o bias
Part Number: TPS720-Q1Hi Team,My customer is looking for an LDO to convert 3.3V to 2.8V for some really sensitive sensors, the 3.3V is bucked down from 12V supply (2.2Mhz switching converter), and...
View ArticleBQ77915: Implementation of BQ77915 with a battery charger
Part Number: BQ77915Hello, Im designing a 5S pack of 18650 cells for a school project, and was confused on how one would go about charging batteries that are connected to a BQ77915. Would I connect...
View ArticleTPS54495: Minimum input voltage for 5V output?
Part Number: TPS54495Hi,my customer would like to know the minimum input voltage for 5V output. the datasheet shows the input vs output voltage for 3.3V which gives a minimum input voltage of around...
View ArticleBQ4050: Is there current scaling so that I can use the device with currents...
Part Number: BQ4050Variations on the BQ device include a current scaling factor so that larger battery packs and currents can be used. I don't see this function on the BQ4050 and I assume that I am...
View ArticleTLC5947: TLC5947
Part Number: TLC5947Hello,I've tried to study the datasheet and various online threads about LED PWM Driver chip, TLC5947 but I am not able to get clear answer for the following:1. With this IC, how...
View ArticleLM3914: Spice Model
Part Number: LM3914Hi E2E,Good day.We have a customer asking for the Spice Model for LM3914.If not available, Is there any other spice model from a similar device he could use?Thanks in advance!Art
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