Quantcast
Channel: Power management forum - Recent Threads
Browsing all 35901 articles
Browse latest View live

SLUA962

Messrs TI,following your application note SLUA962, in order to avoid to damaging the converter because of reverse current, is it possible to choice a synchronous DC/DC converter with a...

View Article


LM5022: Does LM5022 has OCP and skip or hiccup mode?

Part Number: LM5022Hi Team,Does LM5022 have OCP? How about the stability under very light load, does it have skip or hiccup mode?Thank you!Marc

View Article


LM5180: isolation and transformer recommendation

Part Number: LM5180Hello team,my customer needs an AC/DC flyback with roughly an input from 18Vac to 30Vac and 5W. We've noticed that in our app notes we always indicate the use of transformers,...

View Article

TPS62810-Q1: Cff selection, TPS62810-Q1 EVM circuit suggest 22pf but the...

Part Number: TPS62810-Q1Hi For Cff selection TPS62810-Q1 EVM circuit suggest 22pf but the datasheet suggest 10pF which one should we follow ?  and theory behind ? (is there any application note...

View Article

TPS62810-Q1: input capacitor selection

Part Number: TPS62810-Q1Hi the datasheet suggest 22uF is good enough. However the TPS62810-Q1 EVM use 100uF + 22uF + 10uF + 2.2uF + 470pF for the input capacitor. May i know why EVM use 5 pcs of...

View Article


BQ76940: How to Insert Own Code to BQ76940

Part Number: BQ76940Hello,I want to develop and try my own battery management system algorithms. Thus, I need to code the chip on my own. I want to learn if that is possible; if so , how?Thanks.

View Article

High voltage, High current multi-phase buck controller

Dear,I'm looking for a current controller that can handle a output voltage of 150Vdc and output currents of 300A, minimum of 6 phases such that each phase gets 50A.The input is 230VAC, hopefully I can...

View Article

Image may be NSFW.
Clik here to view.

LMR16030: Output spike at hot swap from 24v battery connector.

Part Number: LMR16030Hi ,     Customer's product is using in truck the supply voltage is 24v from battery. At car production line when they assemble the board  it's high probability to damage the PMIC...

View Article


WEBENCH® Tools/TPS54360B: Webench not in line with data sheet?

Part Number: TPS54360BTool/software: WEBENCH® Design ToolsHello Team,it looks like I get different results between data sheet and Webench when calculating the compensation with these...

View Article


TPS61096A: operating at -55°C?

Part Number: TPS61096AHello,For a new design, the reference TPS61096A matchs all our requirements except the negative temperature.On the datasheet, the minimun operating is at -40°C. Our design...

View Article

EM1402EVM: EM1402EVM

Part Number: EM1402EVMHi, I have some questions about EM1402EVM. 1) In the EM1402EVM datasheet shows an image were the external power supply is 12V/24V but then it says that the positive external...

View Article

BQ40Z50-R2: What caution for soldering battery on the PCB?

Part Number: BQ40Z50-R2Hello,The BQ40Z50-R2 is used on a battery pack 3S-1P 3.6Vx3 3500mA (prototype phase).When the battery pack is soldered on the PCB supporting the BQ40Z50-R2, the BQ40Z50-R2 is...

View Article

BQ76PL536A-Q1: Functional Safety IEC60730 Certification

Part Number: BQ76PL536A-Q1Hello,I was advised by customer support to post the query here. We are trying to get a Li-Ion safety system using the BQ76PL536A-Q1 through certification for IEC60730.The...

View Article


Image may be NSFW.
Clik here to view.

TPS63030: TPS63030 extreme current draw from EN pin (>50ma)

Part Number: TPS63030Hello, i have the following circuitwhich is pretty much a copy of the one in the datasheet, with a small difference, the enable line is externally driven, in this case an...

View Article

BQ4050: Syntax for reading/writing to registers

Part Number: BQ4050Hi,My customer would like some help understanding how to read and write to the registers.For example: to read the AB register-SMB sequence:*** Write first to BQ4050 to setup internal...

View Article


LM5160: LM5160 Adjust On-Time During Operation

Part Number: LM5160Hi Team,we are considering adjusting the On-Time defined by RON during operation to optimize the resulting switching frequency.Our load is very, very slow, so we could use a µC to do...

View Article

TPS659037: LDO1 voltage value

Part Number: TPS659037Team, please help answer question from my customer:I notice that the voltage of TPS6590379 LDO1 is ~3.00V, not ~3.30V as advertised. Is this correct?I am using the 9ZWS version,...

View Article


BQ24074: OUT pin driven to 5v

Part Number: BQ24074I have a question presented about the BQ24074 in a current design.   The OUT pin is a regulated voltage, but the customer requests that they have the capability to drive the node to...

View Article

LM2588: LM2588 Oscillations

Part Number: LM2588I have a question on an issue I am seeing here.  We’ve been using this part on a flyback for quite a while now (on the order of 5 to 10 years) and we have had a rash of failures...

View Article

LMG1020: LMG1020 in High Side mode?

Part Number: LMG1020Hello,My name is Serguei Dorofeev. I would like to build a highest speed Half-Bridge GaN FET driver. I would like to use LMG1020 on high side also to get maximum speed from this...

View Article
Browsing all 35901 articles
Browse latest View live


<script src="https://jsc.adskeeper.com/r/s/rssing.com.1596347.js" async> </script>