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BQ27542-G1: the soc saltation
Part Number:BQ27542-G1(Please visit the site to view this file)Dear All: I use the BQ27542-G1 to monitor the battery capacity, this is show in the figure below, the SOC drops for a period of...
View ArticleTPS65197: release VGH locking status
Part Number:TPS65197 My customer has questions on release VGH locking status. In DS, power down chapter, shows that " When the discharge-sense (DIS_SENSE) voltage falls below its typical threshold...
View ArticleTPS1H100-Q1: Loss of Power Supply Protection
Part Number:TPS1H100-Q1Hi team,I have a question about Loss of Power Suply Protection.There is a description of Loss of power supply protection in the data sheet, is this a problem unique to this...
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UCD90160A: UCD90160A Firmware
Part Number:UCD90160AHello,where can I get a Firmware for the UCD90160A device ?regards Christian
View ArticleTPS3850: Can I use TPS3850G50 VDD < Vsense?
Part Number:TPS3850HelloCan I use TPS3850G50 for VDD=3.3V? , where SENSE is connect to 5V?It means VDD < VSENSE, but is it okay?Best Regards
View ArticleCSD87501L: The datasheet is ambiguous in footprint
Part Number:CSD87501LHi, I am developing a footprint for CSD87501L and realized that the datasheet does not indicate pin A1 in the drawing explaining actual connectivity on the first page. So either...
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BQ2057: Power line configuration
Part Number:BQ2057Hello.This is my first time designing a circuit with li-ion charger, and am confused about many things.my first choice to ease the designing was to use an IC such as bq24073 with PPM,...
View ArticleTPS65910: Application schematics for DDR3L
Part Number:TPS65910HiWe are considering use of TPS65910 for AM3352.The following is requirement.- Battery is not used- DDR3L is used (1.5V is acceptable)I know TPS65910 is not support DDR3L (1.35V)...
View ArticleTPS3613-01: how much capacitance The Vout pin of TPS3613-01 can connect?
Part Number:TPS3613-01how much capacitance(Max) The Vout pin of TPS3613-01 can connect?
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LM73605: LM73605 switching current not stable
Part Number:LM73605Hi;We are developing a DC-DC circuit which turn a 12V input to 5V output with out current below 5A. We choose TI LM73605 ,the circuit is posted. As pointed out in the datasheet, if...
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TPS61169: Does not start from low voltages
Part Number:TPS61169Hi,I'm trying to design LED driver based on the TPS61169 chip. I need to drive 7x SFH 5240S IR LEDs (Vf is about 3V) with 50mA current (~21V @ 50mA). Power supply is from 3V to...
View ArticleBQ27741-G1: Power management forum
Part Number:BQ27741-G1Hello Sir,Nice to E-Meet with you.Kindly find attached document first.As per datasheet and attached pic fuel gauge not preferable for use when your battery use as removable...
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Regarding duty cycle operation above 50% on the OUTA/OUTB PWM outputs
Part Number:UC2825Dear TI,I have a question about the operation of the UC2825 IC for a Full Bridge Boost converter, with duty cycles above 50% on the alternating PWM outputs OUTA/OUTB. It is listed in...
View ArticleUCD90320: Fault behavior
Part Number:UCD90320Hi,I am using an UCD90320, which behaves as expected. I have 3 rails among others in Auto Enable mode. If there is a fault on one of them, I want the 3 to be disabled immediately at...
View ArticleTPS65910: OFF state of TPS65910
Part Number:TPS65910HiI have a question about OFF state of TPS65910.If PWRHOLD is low, is this device disable?Best Regards,Yokota
View ArticleLP38855: Vbias
Part Number:LP38855I am usning LP38855 LDO for 1.2Vout. I am giving a supply of 3.3V at input pin of LP38855. My question is the following:Could I use the same 3.3 Vin power rail for Vbias. In other...
View ArticleBQ25060: Charging current
Part Number:BQ25060HiIf the EN pin is connect to ground the resistor connected to Iset will control the input current.Is it possible to keep the input current set to 1A, but change the max charging...
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LM5050-1: how to OR two supplies but at any instance, Load current should be...
Part Number:LM5050-1Hello Sir/Madam,I am ORing two 12V supplies which are generated from (ac to dc) & (dc to dc). My requirement is, while ORing my load should draw power from any one source. and...
View ArticleBQ25505: Can VSTOR be configured?
Part Number:BQ25505I found that VSTOR seems to have 4.2V as its max charging value, but is it adjustable and how? Thanks and appreciate your help.
View ArticleSelection of Regulator type (Module(Integrated Inductor) vs...
HiI am trying to design a +15V, 4A supply from 24V source. What are the criteria for selecting type of regulator I.C? Should it be a Module or a Converter with internal switch or Controller with...
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