LMZ31506: Temperature de-rating curve
Part Number: LMZ31506The temperature derating curve in the data sheet shows only a constant temperature. Is there a derating curve showing changing current with varying temperature at different output...
View ArticleLM5034: Questions on device
Part Number: LM5034Hi Team, My customer is planning to use our LM5034. They have a couple of questions below:1. Frequency domain of the low pass filter of the feedback pin? Need frequency response of...
View ArticleWEBENCH® Tools/LM3150: Ron package 0805
Part Number: LM3150Tool/software: WEBENCH® Design ToolsHi,I got a design of the LM3150 with Webench, where the Ron =105 Kohm with package 0805, over the alternate all eligibles. The input voltage max...
View ArticleBQ24753A: How to choice inductor?
Part Number: BQ24753ADear Sir,The schematic as attached, the charging current sets to 2A, I would like to know how to decide the Idc of L33 and why? thanks.webber
View Articlebq40z50
we are using the above IC for battery made out of 4 cells ( Model: Cell＿A32173128E＿50Ah＿LFP). could you please let me know what would be the best way to perform chemical ID? we are thinking of...
View ArticleClik here to view.
UCC27524A: negative input voltage over -5V for UCC27524A
Part Number: UCC27524AHI team, I have a problem with UCC27524A. My customer used UCC27524A as PFC MOS gate driver. When the server PSU was running, the UCC27524A was damage. The customer tested the...
View ArticleBQ40Z80: Unbalanced cell voltage after store
Part Number: BQ40Z80Hi,Application has 6s cell structure.After store for 1 month, 1st and 2nd cell are below 3V but other cells are around 3.5V.Cells are connected after grading so I don't think it's...
View ArticleTPS3828: the timeout sequence when WDI changed from HIZ to low...
Part Number: TPS3828Dears WDI is in HIZ when power up, and after 3s, the WDI will became level low, we are wondering how long it will take to make a timeout reset?in this case, the time out might be a...
View ArticleClik here to view.
LM5122: The Application Question
Part Number: LM5122Hello support team,There and any advice on discharge resistor for MOSFET gate to source rules.1. In LM5122 Sync Boost topology for wheel N-FET, the R8 / R11 are necessary add? 2....
View ArticleISO5451: ISO5451
Part Number: ISO5451hi teamMy customer is using ISO5451 in their project and the PWM goes to STO from MCU and then goes to ISO5451. Due to voltage drop over the long distance, sometimes ISO5451 has no...
View ArticleTPS23861: Does TPS23861 support manual mode?
Part Number: TPS23861Hi TIDoes TPS23861 support manual mode, which can skip the detection of PD devices and directly supply PSE power?Or is it possible to supply PSE power without detecting the PD...
View ArticleTPS92692: Question about Fault-pin and compensation parameters
Part Number: TPS92692Hi team,Could you support following questions from my customer?1. My customer connects the /FLT pin to MCU like Fig.34 in the d/s. In the customer case, the MCU starts up before...
View ArticleUCC27523: VDD-VOH, VOL vs Output current
Part Number: UCC27523Hi,My customer has following question.Do you have the measured data of VDD-VOH and VOL at Iout=40mA~50mA?We're recognizing that it can be calculated from pull up/down...
View ArticleTPS63070: VIn 5V to Vout 5V/2A
Part Number: TPS63070Hello Could TPS63070 support VIn 5V to Vout 5V/2A application? If VIn has 4.75~5.25V tolerance, could output voltage stable on 5V output? Thank you. BRPatrick
View ArticleTPS548D22: OCP latch time tolerance
Part Number: TPS548D22Hi, Team,For TPS548D22 OCP latch time, the customer board result is 1.2ms after vout short with SS=4m configuration. Do you have tolerance spec for this?Best Regrads,Satoshi Yone
View ArticleTPS92641: Shunt dimming FET
Part Number: TPS92641Hi team,My customer is considering to use the TPS92641. Could you support the following question?Could you let me know how to select the shunt dimming FET? Does a current flow to...
View ArticleTPS62811-Q1: RC snubber from SW node to GND is needed or not
Part Number: TPS62811-Q1Hi team,May I know if TPS62811-Q1 need to add RC snubber from SW pin to GND or not?If snubber can't be used for this device, to reduce SW node spike of TPS62811-Q1, as I know...
View ArticleClik here to view.
TPS92512: PDIM (PWM) frequency
Part Number: TPS92512Hello Customer used TI/TPS92512 for LED driver control, Since they need to drive 0.7A current for LED control. Could customer used 250 Hz for PWM frequency design ? Thank...
View ArticleLP8556: LP8556
Part Number: LP8556Hi Sir,We can configure the current max register via A1h. But can’t configure the LED current via A0h.When we config A1h; A0h data will be copied as A1h, is something setting wrong...
View ArticleBQ25570: BQ25570 VOUT Output voltage is unstable
Part Number: BQ25570Hello my question isI set the voltage output is set to 3.3V.My system is a BQ25570 powering a system(MCU) at 3.3V. The system is on the regulated VOUT net of the BQ25570 (on the...
View Article