BQ76940: Temperature Measurement with Thermistor
Part Number: BQ76940Hi,My design is BMS which uses BQ76940 AFE and BQ78350-R1 and there are 3 pcs of NTC (RT1, RT2, RT3) for temperature measurement on the circuit. At the beginning, the circuit was...
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UCC21750: How to decide the capacitor (CBLK) and resistor (R) for the DESAT...
Part Number: UCC21750Hi,This gate driver is used to drive a SiC MOSFET, FF23MR12W1M1P.Could you please advise how to choose the capacitor and the resistor for the denaturation function? This capacitor...
View ArticleTPS74801: TPS74801
Part Number: TPS74801Hello, have question regarding a power designer simulation using a TPS74801.My Power Designer settings as following: Vin_min=1.69V; Vin_max=1.71V; Vout=1.5V; Iout_max=0.5A;Max...
View ArticleTPS62110-HT: To create negative voltage from positive input voltage.
Part Number: TPS62110-HTI am in the process of using this part to create -5V from +15 Volts input. You have a suggested circuit for the TPS5430DDA. Can the TPS62110 be configured like the TPS5430DDA to...
View ArticleBQ25606EVM-772: Altium Schematic & PCB Layout file
Part Number: BQ25606EVM-772I'm using bq25606 part in my project. It would be helpful to get altium schematic and PCB layout files fr eval module.Thank you.
View ArticleLM5113: lm5113
Part Number: LM5113We are developing a product which will use the LM5113 to drive FET half bridge which will drive a heater. We will actually be using two of these configurations to create a full...
View ArticleBQ34110EVM-796: Power management forum
Part Number: BQ34110EVM-796I'm trying to complete the GPC Packaging with a 24V Lead-Acid battery. I've completed the 6 logs and uploaded them to the Gauging Parameter Calculator Tool and received...
View ArticleTPS62133: 5V rail drop to 4.6V and lower
Part Number: TPS62133Hello,I am using the TPS62133 for a 5V / 2.5A supply.(Please visit the site to view this file)With no load, I measure 5V, howerver with approximately 250 mA, the voltage rail drops...
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TPS63070: Power management forum
Part Number: TPS63070Hi!It is my first time on forum. In new board I used the TPS630701 like the datasheet say to use. I isoled the output. I´m using FDSD0630-H-1R0M=P3 with 1uH inductor from Murata,...
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LM5116EVAL: Gate pulses are missing at certain load levels
Part Number: LM5116EVALHello,We are using an LM5116 in a 48v to 28v (2A max) SMPS design. Under certain load conditions (~150-300mA) the circuit seems to become unstable and can often cause the...
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BQ40Z50-R2: CHGFET off when pack is discharged
Part Number: BQ40Z50-R2I am using a bq40z50 fuel gauge on 4 series Lipo 5AH cells. My charger is the bq24600. I am using the precharge profile of bq24600 and have no precharge FET in the bq40z50...
View ArticleTPS92512HV: Min/Max VOUT
Hello team, Customer is needing to drive a single 1A (3W) LED with 2.5-3V working voltage and considering TPS92512HV for constant current source and PWM dimming. Would we have any other recommendation...
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BQ40Z80: BQ40Z80 quick question
Part Number: BQ40Z80Hi there，A quick question from our customer：Could we use the 12 Pin as VC7SENSE(Voltage ADC funtion) and TS3 (Temp testfunction)at the same time？ If we do，how can we do it?
View ArticleBQ25896: Questions on VBUS Pin and OTG
Part Number: BQ25896Hi Team,My customer is working on a design that uses the BQ25896. They have recently discovered that when enabling OTG, the VBUS pin seems to supply the Boost power in addition to...
View ArticleTPS610985: Adding uPWR enable logic
Part Number: TPS610985I am currenly using the high efficiency converter in a uPwr application operating from a 1.5V battery. I need to be able to shut down the input power, or enable the input power...
View ArticleLM5118: Output drops under load
Part Number: LM5118I am using the LM5118 as a phantom power supply in an audio application. The power supply circuit has the following specifications:Vin = 5VVout = 52VI(min) = 2.2mAI(max) =...
View ArticleBQ27750: About communication specifications
Part Number: BQ27750The supplier contacted us as follows:It is designed assuming SMBus due to chip defects, and IOL is 350uA.They have confirmed with TI.However, TI responds that we support I2C, and...
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BQ76930: BQ76930 regout
Part Number: BQ76930Dear All: I design the 17S BMS with BQ76930, In my application, when the BQ76930 is wake up, the regout can output voltage, I use the REGOUT to enable the system DC-DC...
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BQ24616: bq24616 Pre-charge current issue
Part Number: BQ24616My customer asked the pre-charger Current of bq24616. In the file "bq246xx Device Comparison", it is stated that the minimum adjustment is 125mA through R. How is this minimum...
View ArticleSpikes on output of AC-DC Converter
I observed spikes on output of AC-DC converter in oscilloscope (image attached), when I switch OFF or ON of AC fan as per connection shown in block diagram. Here I did not connect earth. We connected...
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