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Help with proper part selection for Lithium battery system
I'm working on a small 12VDC uninterruptible power system (UPS) for temporarily powering and controlling small 12VDC and 5VDC devices such as small relays or small SBC's such as the raspberry pi. My...
View ArticleCCS/UCC28951: As DC-AC Inverter (50-60Hz)
Part Number:UCC28951Tool/software: Code Composer StudioOn the UCC28951-Q1 spec sheet pg 1, three times it references this chip for use in inverter applications (Electric Vehicle Inverters, Solar...
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BQ40Z50: Modular battery packs: realistic solution?
Part Number:BQ40Z50Hello,I want to buld a modular battery pack composed of two distinct boxes (see drawing below):-Base Battery Pack: 2S2P battery pack with BMS. The 3-pins connector enable extension...
View ArticleTPS61322: output current of TPS613222A
Part Number:TPS61322Can I use the TPS for input voltage from 1.8 to 5.5V and output voltage from 5V to 400mA load?
View ArticleLM5176: Need help about 4V in 12V out 6A
Part Number:LM5176Hello Ti Family.I am trying to find 4V input 12V output with 6A boost converter.From Webench best solution seems to be LM5176. Is there another solution which can support my...
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TPS65185: land pattern on data sheet
Part Number:TPS65185HelloMy csutomer intends to use TPS65185, and will start to design soon.Anyway, what is the trace on 11.2 Layout exampe on data sheet?I think not necessary to split power pad (...
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LM53635-Q1: LM53635-Q1 VEN_WAKE Enable wake-up threshold
Part Number:LM53635-Q1Hello team,I would like to confirm "VEN_WAKE Enable wake-up threshold" specification of LM53635-Q1.Does it mean that EN pin become valid when Vin voltage exceed 0.4V?Best...
View ArticleTLV810: Request for schematic review
Part Number:TLV810In the attached schematic, TLV810S is U54I'm trying to provide a reset (Active High, >100msec) to U15I would like to have two options to provide a resetTLV810S for hardware...
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BQ24075: reduced max charging current
Part Number:BQ24075Test condition:Input : 5V 1.5A USB portMain battery: 830mAh 3.7V 800mASystem loads: 4.4V 480mA (2X coin batteries)ILIM: 1.5AISET: 809mA When we have all three batteries...
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TPS62120: Function of PMOS
Part Number:TPS62120Hello,The specifications of the chip claim that it has a duty cycle of 100%. When controlling the internal switch, PMOS is used in the high side tube, but D connects Vin, S connects...
View ArticleUCD3138: [Fusion power designer quesion]Previous version of fusion power...
Part Number:UCD3138Hello everyone,Good day,where can I download the previous version of fusion power designer on ti web site? thanks.
View ArticleDCR010505: about FIT value for DCR010505U
Part Number:DCR010505Hi Teammy customer would like to know FIT(Failure In Time) value for DCR010505U,even if it is industrial version of device.could you tell me FIT value for DCR010505U ?
View ArticleBQ25895: Will there be a version of the IC that can support LiFePO4?
Part Number:BQ25895HiWill there be a version of the IC that cna support LiFePO4? Can TI custom program the chemistry into that IC?Thanks
View ArticleLMZ30606: LMZ30606 - Switch from RT Mode to CLK Mode， PG Drop
Part Number:LMZ30606Hello TeamWhen switch from RT mode to CLK mode, after about 10us, the PG pin will drop. Is it correct?
View ArticleUCD9081: UCD9081 can not be programmed.
Part Number:UCD9081Hi,I got a problem when I programmed the UCD9081.I refer to the www.ti.com/.../slva275b.pdf#mce_temp_url# to program UCD9081 and followed the 3.7.1.The User Data(0x1080~0x10FF) could...
View ArticleWhat is difference between SND9039A1 and SND9039A2?
Hi sirMy customer is using SND9039A2CTRSK for Intel cherry Trail project now. They have one qiestion which is below.Could you comment on the difference between SND9039A1 and SND9039A2? Which one is...
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UCC256301: UCC256301 Feedback chain RC compensation network effect on Zeros...
Part Number:UCC2563011. How to calculate the feedback chain transfer function, especially with a RC compensation network.2. How does the R22,C28 and C29 in compensation network affect the zero-pole in...
View ArticleBQ25601: BQ25601 charge voltage setting
Part Number:BQ25601According to the specification, the voltage of bit7-bit3 in the REG04 register is set to 01011. At this time, it should be the charging voltage of 4.2v, but the voltage I actually...
View ArticleBQ40Z50: the problem of impedance Track，why Load current variation does not...
Part Number:BQ40Z50Hi TI engineer: refer to theory and Implementation of Impedance Track™ Battery Fuel-Gauging Algorithm in bq2750x Family DODstart = DOD0 + PassedCharge/Qmax...
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