BQ77915: BQ77915 conections
Part Number:BQ77915Good afternoon. Interested in BQ77915. It is necessary to connect 7 liPo4 batteries in hibernation mode enable. Couldn't find a setting resistors Rin, Rgs_chg, Rdsg, Rsns, and the...
View ArticleLM25117: Sense resistor location
Part Number:LM25117How critical is the locating of the Sense resistor on the PCB layout?Will being too close/too far have any detrimental impacts?
View ArticleTPS24751: Use of R/C on output for high In-rush current load.
Part Number:TPS24751I am trying to power a large LCD 12V/8A(nom) LCD display from the output of the TPS24751 circuit.The LCD can have as much as 26A in-rush current when the backlight powers up.This is...
View ArticleBQ40Z50-R1: schematics of charger with duplicate LED indicators
Part Number:BQ40Z50-R1Hello,I have built a battery pack based on the BQ40Z50-R1. The used BMS is similar to the associated "Li-Ion Battery Pack Manager Evaluation Module" with the 5-LEDs indicatorsI...
View ArticleBQ40Z60: Using without external temperature sensors; the Cell temperature =...
Part Number:BQ40Z60Hi, I made a new board whose circuit came from the bq40z60evm except for the external temperature sensors which I eliminate, and connect nothing to the pins.I disabled the unused...
View ArticleBQ40Z60: Using without external temperature sensors; the Cell temperature =...
Part Number:BQ40Z60Hi, I made a new board whose circuit came from the bq40z60evm except for the external temperature sensors which I eliminate, and connect nothing to the pins.I disabled the unused...
View ArticleNeed Power solution for FAN control board
Dear Team, I working on UPS fan control board power supply. Kindly suggest part number and some demo circuit.Below is my specification:Input : From DC power supply 2~10VOutput : 3~10V...
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Linux: Linux: BQ27220 - How to enter shutdown mode
Tool/software: LinuxDear Experts,How can I let BQ27220 enter shutdown mode?I want to stop all behavior of BQ27220, expecially I want to avoid "fuel gauging and data update ever 1s".We measured there is...
View ArticleLMZM23601: Extremely low efficiency when driving light loads
Part Number:LMZM23601I have a sensor monitoring application powered by a 12 volt solar charged battery that normally draws about 30uA and occasionally draws 700mA for a short time to transmit data....
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BQ40Z60: The bq40z60 board; [XCHG]=1, [XDSG=1]
Part Number:BQ40Z60Hi,I made a new board which follows the bq40z60evm board circuit. I had managed the same battery well with the bq40z60evm board.However, the new board can neither charge nor...
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TPS51116: MOSFET alternative
Part Number:TPS51116Hi,I am using the "PS51116PWP" IC & below is the circuit diagram of my connection. Kindly give me an alternative suggestion for the MOSFETs used :1. IRF7821 at DRVH pin2....
View ArticleLP5569: Sample code in "Application Note SNVA822 - LP5569 Lighting Pattern...
Part Number:LP5569Hi,I am trying to get the dual-color chasing pattern sample code in the application note referred above in the description to run but am not having any success. From what I can tell,...
View ArticleTPS61085: How to calculate Soft Start time
Part Number:TPS61085Hi Team, I think Soft Start time is calculated by below equation. Tss = Vss x Css / Iss In case of Css is 100nF, Tss is 12ms. Vss = 1.238V, Iss = 10uA, Css = 100nF Tss = 1.238 x...
View ArticleBQ24650: Will BQ24650 provide power without a battery connected or low...
Part Number:BQ24650Will BQ24650 provide power without a lithium battery connected or low battery? I need to be able to use it straight away and dont wait for the battery to get charged. Thanks!
View ArticleTPS25200: TPS25200/about UL Recognition
Part Number:TPS25200Hi Team, My customer is requesting IEC60950-1-am2 recognition for the current limit. Do you have IEC60950-1-am2 recognition?Regards,Ogasawara
View ArticleLP5907: About relationship between suffix and output voltage
Part Number:LP5907Hi,Could you tell me the output voltage value of LP5907UVX19 / NOPB?LP5907UVX19/NOPB = Output voltage 1.9V .Is this understanding correct?RegardsYusuke
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TPS23754: Oring applications
Part Number:TPS23754Hi, In our POE PD design we must tie 'APD' to 'Vss' so that DC adaptor input can be in parallel with full-bridge output. Is there any concern?The output of POE PD is fixed to 12V...
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TMDSHV1PHINVKIT
Hello,We purchased the part TMDSHV1PHINVKIT.I have read the datasheet.I see there is a tip Controller(s): Piccolo TMS320F28035 MCU and F28M35H52C MCU.Why we received the board only has F28M35H52C...
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Linux/UCD3138: UCD3138 / Linux System
Part Number:UCD3138Tool/software: LinuxHi , We already use UCD3138 at Windows system, and I have a question about if we want to run at Linux system. If TI can support to setup UCD3138...
View ArticleTPS53641: Does TPS53641 support 3.3V output @ 120A?
Part Number:TPS53641Does TPS53641 support 3.3V output @ 120A?or which power ic can support 3.3V output @ 120A?
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