Quantcast
Channel: Power management forum - Recent Threads
Browsing all 35901 articles
Browse latest View live

BQ27426: What does 0x05 command do? Only getting voltage return from 0x04.

Part Number: BQ27426Hi BGP team,Posting this Q on behalf of my customer."I am trying to port the driver to our host MCU. One question about the voltage command:I read the bq27426's technical reference...

View Article


WEBENCH® Tools/UCC28742: UCC28742 High voltage DC to low voltage DC isolated...

Part Number: UCC28742Tool/software: WEBENCH® Design ToolsI am needing an output of 15Vdc at 1.3Adc.With no load everything looks fine with the output at 15.3Vdc.A load of 150 ohm causes the output...

View Article


BQ25887: BQ25887 - Discharging current with internal MOSFET

Part Number: BQ25887Hello,I have a quick question regarding the BQ25887. On page 6 of the datasheet under "7.3 Recommended Operating Conditions" there is a maximum rating listed for "RMS discharging...

View Article

LMG5200: Driver reference

Part Number: LMG5200Hello,LMG5200 is made of three dies : one driver die and two GANFET dies. I would like to know the reference of the driver used Inside this part ?Thank you !!Francois

View Article

LM61440: Availability

Part Number: LM61440Please let me know when this new low noise step down converter will be in production and what is the price at qty of 3000 pcs. Also please provide the updated datasheet. I want to...

View Article


BQ27Z561-R1: Fuel Gauge Operation

Part Number: BQ27Z561-R1Hi Team,My customer has a question on the BQ27Z561-R1 that I'd like to run by you just to confirm--For the battery profile, is it saved as non-volatile memory format on the fuel...

View Article

BQ40Z80: Firmware control of CHG and DSG for system ON/OFF

Part Number: BQ40Z80Hello,I have been trying to implement a way to utilize the fuel-gauges functionality and parts.   The end goal is to use the fuel-gauge as both protection, and a soft-latch power...

View Article

LM5155DSSR 3.5V-4.2V to 12.00V @ 1A, using for a power management senior...

We are utilizing this boost converter design for our CubeSat senior design power management project.  We only have less than a month left for our project, and the design calls for only surface mount...

View Article


TPS65400EVM-678: USB2ANY - PI Commander driver issue

Part Number: TPS65400EVM-678It's been a year since I've run PI-Commander Version 0.8.5. Windows 10 Home64 bitV1809I'm getting"Incompatible FTDI device drivers have been detected. To resolve this issue,...

View Article


Image may be NSFW.
Clik here to view.

TPS56520: I2C Timing Requirement

Part Number: TPS56520Hi Team,When I look at the 7.6 Timing Requirements of datasheet of TPS56520, tHD;DAT (Data Hold Time) says that Min=50ns and Max=900ns.But when I look at the tHD;DAT specification...

View Article

Image may be NSFW.
Clik here to view.

TPS548A20: No output, possible design error?

Part Number: TPS548A20Hi there, I'm running into some issues with receiving the correct output voltage. I used the Webench tool to design a 1.2-1.8V @13-15A output goal. The source voltage is 20V. I've...

View Article

BQ78350-R1: How to write SREC

Part Number: BQ78350-R1Hello TI Guys,I have a product with a bq78350-R1 fuel gauge with FW V1.03. We need to start shipping product with firmware V1.04. The utilities in bqStudio require operation the...

View Article

BQ25703A: puzzle me with some parameter

Part Number: BQ25703ARecently, I used the charging chip bq25703a for a new design. The application scenario is to charge 4-cell NiMH batteries. It is assumed that the final voltage which 4-cell NiMH...

View Article


BQ35100: BQ35100: Calibration problem

Part Number: BQ35100bq35100 detect EVE_ER34615 (19000mAh) lithium thionyl chloride (Li-SOCl2) battery1、when I calibrate CC offset and board offset,  the bqstudio report:Calibration- Current flow across...

View Article

BQ27426: problems reading and writing to subclass areas

Part Number: BQ27426I read on a previous thread how the data sheet is incorrect and the capacity is at 46 47 address.  I have followed the bq27426Technical Referencepage 18 for setting the battery...

View Article


Image may be NSFW.
Clik here to view.

TLC6C5912-Q1: Drain-to-Source parasitic capacitance of output FET

Part Number: TLC6C5912-Q1Hi all,Can you tell me the drain-to-source parasitic capacitance of output FET when the FET is off or the TLC6C5912-Q1 is disabled as below?Thank you,RYO

View Article

LM25145: External SYNCIN Signal Skipping

Part Number: LM25145Dear, Sir.My customer is evalating LM25145 with the external SYNCIN signal, 540kHz. The signal sometimes skipped so the frequency down to around 130kHz. They set the free-run...

View Article


TLV62090: Calculate Total Power Consumption

Part Number: TLV62090Inquire about the total power consumption of tlv62090 in My Gauguin.See page 2 of the datasheet.Deleted "Continuous total power dissipation" from Absolute Maximum Ratings (1)For...

View Article

Image may be NSFW.
Clik here to view.

TPS55010: TPS55010 heat up when there is no load

Part Number: TPS55010Dear TI team:    My customer used TPS55010 for 5V to 5V isolate application, they found TPS55010 heat up when there is no load, please help to check what is the problem? Thanks!...

View Article

Image may be NSFW.
Clik here to view.

LM3424: lm3424 low side

Part Number: LM3424Dear  All:    I received the question from my customer.The LM3424 are implemented the high side current sense function.Can this current sense use as low side current such as...

View Article
Browsing all 35901 articles
Browse latest View live


<script src="https://jsc.adskeeper.com/r/s/rssing.com.1596347.js" async> </script>