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TPS62125: behavior
Part Number: TPS62125I'm using TPS62125 in a new project. Six boards were assembled until now. All of them are working, however some are showing an unexpected behavior.The schematic is showed below....
View ArticleTPS560430-Q1: Is this inductor suitable?
Part Number: TPS560430-Q1Hi,can you please tell me is this inductor suitable for use with TPS560430-Q1 for 0-600mA load?Inductor: 8.2uH from https://www.coilcraft.com/pdfs/mss6132.pdf
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LM3409HV: Production issues with air bubbles under part on DAP
Part Number: LM3409HVWe've been in production with this part for 8 years.Our new PCB ASSY manufacturer is having issues with air bubbles under the part between the DAP and the PCB. We are having...
View ArticleBQ40Z80: BQ40z80 Accuracy
Part Number: BQ40Z80Hi All,What is the accuracy of the Vcell / Current / Temperature measurement before calibration operation?BRLoïc
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EMB1428Q: EMB1428 SPI fine, but not close
Part Number: EMB1428QHi,I sent 0xF0 to EMB1428 and it return 0xAF. But only PSW3 is close. CSW7 to 0 are all open.I've set 1499 FAULT PIN to 0.And I saw someone got similar problem before. But TI FAE...
View ArticleBQ40Z50EVM-561: BQ40Z50-R1
Part Number: BQ40Z50EVM-561HI ,We are using Bq40z50EVM-561 board and the battery configuration is 2P2S (2 parallel and 2 Series ) of ICR18650-26J M cells .Can you please share the right Srec,...
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BQ25601: tQON_RST to Q4 Off time
Part Number: BQ25601Hi, Do you have a number (preferably a minimum number) for the time when the BATFET will go low after tQON_RST minimum time of 8s has been met? In the attached picture I am looking...
View ArticleTPS25940: Circuits that can draw power from the output
Part Number: TPS25940I am considering designing the TPS25940 into a battery-powered application to protect against errors on an external power connection. As a result, during a lot of my operation, the...
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BQ40Z50-R2: Help setting up Registers and Pack Settings
Part Number: BQ40Z50-R2Hey Guys,So I have a 3S3P battery pack that originally had a gauge designed using the BQ20Z75 IC. I've just redesigned the gauge to use the BQ40Z50-R2 IC and I was hoping I could...
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BQ34110: Fuel gauge configuration - voltage
Part Number: BQ34110I am playing with the spreadsheet privided by Matt Sunna in another topic ().It is not entirely clear to me how to use the spreadsheet. For instance, on the Application Settings...
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TLV61046A: TLV61046A Output Lower than expected
Part Number: TLV61046AHiWe have a new design using the TLV61046A which is not generating the expected output voltage, the output level is coming up to roughly 4.3V however no higher, with no output...
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TPS7B67-Q1: IC failure--schematic review
Part Number: TPS7B67-Q1Hello team,Could you help review the schematics that customer use, 12V main means the 12V bat (9v-16v typical), is there any risk?Customer report 7pcs IC failure in 0km vehicle,...
View ArticleCSD13385F5: interested in obtaining an un-encrypted version of the model
Part Number: CSD13385F5Last month (9/30/2019) I was provided with an un-encrypted model for the CSD18534Q5A MOSFET. That was very helpful and allowed me to run my simulations. I am interested in...
View ArticleBQ27220: Change device parameters
Part Number: BQ27220There is a document SLUUBD4 dated April 20176 that demonstrates how to update data memory. I see in steps 5&6 a write to 3E &3F. Where is this documented as to what is going...
View ArticleBQ27520-G4: Reprogramming via driver in field
Part Number: BQ27520-G4We are designing with BQ27520 because it can be reprogrammed. I would like some clarification on this section on page 10-Cell information is stored in the device in non-volatile...
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BQ25505: Current leakage
Part Number: BQ25505We are implementing the BQ25505 and it seems to be working pretty well except for the fact it seems to be drawing more current than what the circuit actually calls for.We can power...
View ArticleBQ34Z100-G1: [CHG] bit of Flags can't be cleared
Part Number: BQ34Z100-G1Dear Support Team,I try to complete the learning cycle with my BQ34Z100G1 but it does not work, because the FC bit is never set. I narrowed the problem down to that the CHG bit...
View ArticleLM25180: phase margin simulation and internal phase compensation.
Part Number: LM25180Hi, Team.This is MASA.Q1do we happen to have any way to simulate how much phase margin we expect it has with specific condition for LM25180?Q2.LM25180 has phase compensation...
View ArticleDC - DC Converter
Hi all,Why a parallel combination of small capacitors are used across the output of DC - DC converter instead of single value of equivalent capacitance.
View ArticleTLV61046A: About IC power output voltage.
Part Number: TLV61046AI have purchased IC TLV61046ADBVR REGULATOR BOOST CONVERTER. GETTING REFERENCE CIRCUIT FROM YOUR SITE. IT IS NOT GIVING 12 V OUTPUT FROM 5 V INPUT THOUGH I HAVE CONNECTED FEEDBACK...
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