TPS544C20 - information on Phase and gain margin?
Team,Do we have some information we can share about the TPS544C20 Phase margin and gain margin?-Webench does not seem to be able to give this information.-Also none of the TPS544C20 based TI Designs...
View ArticleBQ25895: ~15W Handheld device
Part Number:BQ25895I´m designing a handheld equipment with the BQ25895 to power an 15W led driver.The wall adapter I intend to use is 5V 3.25A with a single li-ion battery capable of delivering over...
View ArticleClik here to view.
BQ34Z100-G1: Cycle Learning Failed
Part Number:BQ34Z100-G1Hello,I'm currently trying to make a cycle learning of a Lead Acid Battery (Yuasa NP2-12), and I'm stuck in "LearnedStatus : 0x04".In fact, I pass the "LearnedStatus : 0x05" but...
View ArticleTPS560430: Power Consumption
Part Number:TPS560430Hi,I am using TPS560430 for my Battery powered device, battery voltage is 6.2 to 8.4V. As i checked in its datasheet, its Operating quiescent current is 80uA. But my power supply...
View ArticleBQ40Z80: Can we use 2pcs of BQ40Z80 in series to implement on 12-s Li-on...
Part Number:BQ40Z80Dears,My customer asked if they can use 2pcs of BQ40Z80 in series to implement on 12-s Li-on battery? Could we provide reference design for this solution if it is feasible?...
View ArticleClik here to view.
BQ24161: the termination current is out of normal range
Part Number:BQ24161Hi team,My customer is using our BQ24161 to charge a 2070mAh single cell battery. Please see the configuration as below.When customer did the test, they use a multi-meter with...
View ArticleBQ24780S: LEARN function with discharge current regulation
Part Number:BQ24780SHi,Can LEARN function be used simultaneously with discharge current regulation?According to datasheets we can force battery discharging by sending LEARN command via SMBUS. Could we...
View ArticleLM5022: How to calculate parts for SEPIC topology
Part Number:LM5022Hello,Datasheet of LM5022 does not mention anything on how to calculate parts for SEPIC topology. There is a design procedure for selecting all the components for the boost converter...
View ArticleTPS40428: TPS40k Loop Compensation Tool
Part Number:TPS40428Hi everyone,I need TPS40k Loop Compensation Tool, please send me a link for downloading.My email is kva@mt-system.ruThanks in advance
View ArticleCompiler/UCD3138A: how can i start a open-loop project of ucd3138A。
Part Number:UCD3138ATool/software: TI C/C++ Compilernow，i want to write a code about LLC half-bridge circuit ，the device i used is ucd3138A， what should i do？how can i start？
View ArticleLP8556: QFN Version with minimum 4 LED CH count plus i2C plus Output approx. 10V
Part Number:LP8556HelloThe Layer costs for bga are coming too high. We prefer qfn therefor.Furthermore we need:I2C4 LED per String (10mA)4 StringsUnfortuntately the spec is not detailing these...
View ArticleBQ27220: Where is the BAT_GD pin? GPOUT?
Part Number:BQ27220The TRM mentions the "BAT_GD" pin serveral times, but in the Pin Description of the bq27220 (SLUSCB7A) it isn't mentioned at all. Likewise, the GPOUT pin is mentioned in SLUSCB7A...
View ArticleTPS61196: TPS61196: TPS61196EVM-600 evaluation board
Part Number:TPS61196Hello Sean,Your lack of response to my posting on the TPS61196 evaluation board start up problem take it as a design weakness of the TPS61196?Thank you and regards
View ArticleLM3914: overheat
Part Number:LM3914I understand the LM3914 is obsolete but I never used it before. I have overheat problem. I use 1k minimum load resistor in series with 5k pot to GND for R1 and 100k pot for R2. I...
View ArticleTPS65217: Thermal shutdown temperature of TPS65217C
Part Number:TPS65217Hi,What is the thermal shutdown temperature of the TPS65217C? I see thermal shutdown mentioned in the datasheet, but I can't find the specific temperature where the shutdown occurs.
View ArticleUCD3138: corner anchor pins connections for RJA
Part Number:UCD3138Hi Sir:are the four corner anchor pins connected to any circuit or GND inside the UCD3138RJA? or are they NC pins?thanks a lot Sean
View ArticleTPS65105: REF pin status in FAULT mode
Part Number:TPS65105hi,we are using TPS65105 in a medical design...we need to detects when a protection puts the IC into fault (studown) mode...so we were considering to monitor REF pin, assuming it...
View ArticleTL5209: Thermal shutdown temperature
Part Number:TL5209What is the thermal shutdown temperature for the TL5209?
View ArticleClik here to view.
BQ34Z100-G1: UPS BATTERY GAUGING
Part Number:BQ34Z100-G1HIIam working on a project of battery gauging for a 36 volt,75AH capacity battery pack. My designed configuration for this project is as shown..with this configuration Iam trying...
View ArticleClik here to view.
TPS563210A: Protecting the input of a TPS563210A from a noisy external system
Part Number:TPS563210AI'm using a TPS563210DDFR to create a 5V power rail for an embedded system, the schematic is as follows:The input is 12V, sourced from an external off-the-shelf power brick. I am...
View Article