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Articles by Power Management
The Golden Rule of Board Layout for Switch-Mode Power Supplies
This article explains the basis for achieving an optimized board layout, a critical aspect in the design of switch-mode power supplies. A good layout ensures stable functioning of the switching regulator and minimizes radiated interference as well as conducted interference (EMI). This is widely known by electronics developers. However, what is not generally known is how an optimized board layout for a switch-mode power supply should look. Figure 1 shows the circuit of an LT8640Sevaluation board.
Why Realistic Voltage Sources Should Be Considered When Designing a Reliable Power Supply
A power supply’s source, in actual use, is never ideal. The real behavior, including parasitics, needs to be considered to build a reliable power system. When we use power supplies, we ensure that a DC-to-DC converter, such as a switching regulator, can withstand a certain input voltage range and that it can generate the required output voltage from it with sufficient current. The input voltage is frequently specified as a range because it is usually not regulated exactly.
What Is the Market Potential of NFC Wireless Charging Receiver Chips for IoT Sensors?
What Is the Market Potential of NFC Wireless Charging Receiver Chips for IoT Sensors? Author : Semicon Insights Semicon Insights | Published On : 21 Jul 2026 Global NFC wireless charging receiver chip for IoT sensor Market, a cornerstone technology enabling battery‑free operation of the next generation of connected devices, is experiencing a rapid acceleration as manufacturers worldwide pursue ultra‑low‑power, maintenance‑free sensor solutions.
The Golden Rule of Board Layout for Switch-Mode Power Supplies
This article explains the basis for achieving an optimized board layout, a critical aspect in the design of switch-mode power supplies. A good layout ensures stable functioning of the switching regulator and minimizes radiated interference as well as conducted interference (EMI). This is widely known by electronics developers. However, what is not generally known is how an optimized board layout for a switch-mode power supply should look. Figure 1 shows the circuit of an LT8640S evaluation board.
Why Does Current-Mode Control in Switching Regulators Matter?
There are thousands of different switching regulators on the market. Selectionis based on specifications such as input voltage range, output voltage capability, maximum output current, and a slew of other parameters. This article explains current mode, a differentiating feature commonly listed in data sheets, and its advantages and disadvantages. Current-Mode Regulators Explained Figure 1 shows the basic working principle of a current-mode regulator.
Consumer Global Market Report 2026
Consumer is a specialized solution offered by companies in the semiconductors market focused on designing, producing, and commercializing integrated circuits that are embedded across a broad range of end-use consumer electronic devices for functions such as processing, control, memory storage, communication, power management, and signal conversion, involving the engineering and fabrication of highly miniaturized electronic components on semiconductor substrates to satisfy performance, cost...
When the Supply Voltage Is Dynamic
Voltage regulators usually serve the purpose of generating a constant regulated output voltage. By means of control loops, a stable and precise supply is generated from an unregulated input voltage. What purpose, then, does dynamic voltage scaling (DVS) serve? Dynamic voltage scaling means that the output voltage of a power supply can be adjusted during operation. Such an adjustment can be made for various reasons.
Rocket Electrical Power Systems Market Report 2026: $2.24 Original
Dublin, Jan. 19, 2026 (GLOBE NEWSWIRE) -- The "Rocket Electrical Power Systems Market Report 2026" has been added to ResearchAndMarkets.com's offering. The rocket electrical power systems market is on a robust growth trajectory. From a valuation of $1.56 billion in 2025, the market is projected to expand to $1.69 billion in 2026, at a CAGR of 8.3%.
Panel Timing Controllers (TCONs) Market (2025-2035) CAGR 9.1% - Growth, Trends, Opportunities, and Competitive Insights
The Panel Timing Controllers (TCONs) Market is witnessing robust growth due to the increasing prevalence of high-resolution displays in televisions, monitors, laptops, smartphones, and automotive screens. The market size stood at USD 4.64 billion in 2024 and is expected to reach USD 5.06 billion in 2025, eventually expanding to USD 12.0 billion by 2035.
Unmanned Aerial Vehicle (UAV) Main Control Chip Global Market Report 2025
Unmanned aerial vehicle (UAV) main control chips are specialized integrated circuits that act as the central processing units (CPUs) of drones. These chips oversee and synchronize all vital flight operations such as navigation, stabilization, communication, sensor integration, and motor control. They are engineered for high-speed performance, energy efficiency, and real-time responsiveness, making them crucial for both consumer and military UAV applications.
Regulation Loop Without a Resistive Divider
Editor's Desk Design Articles Facebook Twitter Pinterest WhatsApp Linkedin ReddIt Tumblr Abstract A new control loop architecture is designed to generate very low noise voltages. This can be utilized by both linear and switching regulators. In addition to the low noise achieved, the level of noise becomes independent of the set output voltage. This also makes it possible to generate very low output voltages down to 0 V.
General-Purpose Analog Integrated Circuit (IC) Global Market Report 2024
General-purpose analog integrated circuits (ICs) are versatile electronic components that manage analog signals in a broad range of devices without specific constraints. They are used for tasks such as amplifying, filtering, and converting signals in both consumer and industrial electronics.
Medical Battery Market Projected to Reach $2.97 Billion by 2032
Summary: The global medical battery market reached $1.84 billion in 2023 and is expected to grow at a CAGR of 5.78%, reaching $2.97 billion by 2032. The aging population and rise in chronic diseases drive demand for advanced medical devices with reliable batteries. Challenges include labor shortages and ensuring battery safety. Market Growth: The medical battery market is projected to grow from $1.84 billion in 2023 to $2.97 billion by 2032.
FDA Endorses MedISAO for Medical Device Security Efforts
Summary: MedISAO, dedicated to improving medical device security, announced its renewed Memorandum of Understanding (MOU) with the FDA. This partnership emphasizes cybersecurity and patient safety. Medcrypt’s acquisition of MedISAO supports small and medium-sized businesses in enhancing device security. FDA Endorsement: The renewed MOU with the FDA underscores the importance of improving medical device cybersecurity.
GE HealthCare Partners With Medis on CAD Diagnosis
Summary: GE HealthCare and Medis Medical Imaging have partnered to advance the precision diagnosis and treatment of coronary artery disease (CAD) with the Medis Quantitative Flow Ratio (QFR). This non-invasive diagnostic approach aims to improve clinical outcomes and streamline cardiology practices. Collaborative Effort: GE HealthCare and Medis Medical Imaging collaborate to develop and commercialize Medis QFR.
FDA Clears CLEW Medical’s AI-Based ICU Solution
Summary: The FDA has cleared CLEWICU, CLEW Medical’s AI-based ICU solution, for predicting hemodynamic instability, marking the first such clearance. The system uses AI to monitor and predict patient risk levels, aiding early intervention and resource optimization in ICUs. Historic FDA Clearance: CLEWICU is the first AI-based ICU device to receive FDA clearance for predicting hemodynamic instability.
Medical Device Recalls Up Nearly 14% in 2024
Summary: U.S. product recalls increased by eight percent in Q1 2024, with the medical device industry seeing a 13.8% rise in recalls despite a 51.2% drop in defective units. Stricter regulations and increased enforcement are key factors. Increase in Recalls: Medical device recalls rose by 13.8% in Q1 2024, indicating heightened regulatory scrutiny. New Regulations: Upcoming FDA regulations on quality management and tests add compliance challenges for medical device companies.
Nozomi Discovers 11 Vulnerabilities in Vivid Ultrasound Systems
Summary: Nozomi Networks Labs discovered 11 vulnerabilities in GE HealthCare’s Vivid Ultrasound systems. These vulnerabilities could lead to ransomware attacks or manipulation of patient data. Physical access to the devices is required for exploitation. Patches and mitigations are available on the GE HealthCare Product Security Portal. Vulnerabilities Identified: Nozomi Networks found 11 security vulnerabilities in GE HealthCare’s Vivid Ultrasound systems.
CenTrak’s DuressRT Wins MedTech Breakthrough Award
Summary: CenTrak’s DuressRT application won the “Best IoT Healthcare Security Solution” at the MedTech Breakthrough Awards. The solution uses RTLS badges to enhance staff safety by providing rapid responses to duress events. It features location accuracy, a dedicated emergency button, and real-time updates to improve healthcare facility security. Enhanced Safety Measures: DuressRT employs RTLS badges for precise location tracking and rapid response to staff duress events.
How to Protect Power Systems from Cyber Threats
While digital transformation has greatly enhanced the way healthcare organizations operate and care for patients, it has also put more pressure on healthcare IT managers to protect connected IT equipment against cyber threats. In 2023, U.S. hospitals experienced a record number of cyberattacks, compromising the data of over 61 million people. These attacks disrupted services and equipment, forcing some hospitals to turn away patients.
NOD: Results for the first quarter 2024
Market Closed - 10:45:00 2024-04-23 am EDT 5-day change 1st Jan Change 88.74 NOK +2.33% -1.66% -29.57% Apr. 12 Nordic Stocks Rose Friday; BioArctic Series B Climbed Highest DJ Apr.
TPS6594-Q1: PFSM error
Part Number: TPS6594-Q1 Hi,TI Expert, I tryed to do a PFSM validation on TPS65941213, however encounter errors about SOC_POWER_ERROR and SU_ACTIVE, Can you give me some advice? Thanks.
TPS929120-Q1: Is there a time interval for sending each frame command.
Part Number: TPS929120-Q1 Hello, everyone! Is there a time interval when the MCU sends successive command frames? I couldn't find it in the chip manual.
LMR43610-Q1: PGOOD logic dependency
Part Number: LMR43610-Q1 Hello Team, one question rised up: Is the PGOOD logic block of the LMR43610-Q1 Independent from EN-pin? Means if EN pin is de-actived also PGOOD will be switched off (driven by the EN-logic) or is PGOOD a comparator logic which measures only valid output voltage and is independent from the enable logic working as a stand-alone supervisor part. Many Thanks for clarification and BR Josef
UCC28065: How to Dynamic adjust the R_TSET for UCC28065
Part Number: UCC28065 Hi, Team My customer use our UCC28065 in their PFC power module, they prefer Dynamic adjust the R_TSET for UCC28065, the detail is as below: As we know, the R_TSET value is control the Ton time( or max ton time) of the UCC28065. the Max_Ton_time limit the max output power. that means we can change the R_TSET for different output power requirement. So customer prefer to adjust the R_TSET value for different output power.
TPS40210: SPICE simulation for the current sense resistor(R_ISNS)
Part Number: TPS40210 Hi Sir, From the datasheet of TPS40210, I wrote a Matlab code to find out the value of the current sense resistor(R_ISNS) below is the Matlab code % refer to TPS40210 datasheet clear % --------------------------- settings in my circuit --------------------------- L = 4.7e-6; % boost inductor, henry Vin = 24; % input voltage, volt Vout = 90; % output voltage, volt Cout = 33e-6; % output capacitor ,F Rload = 100; % load, Ohm fsw = 280; % target switcing frequency, kHz %...
BQ27542EVM: SOH Load I setting question
Part Number: BQ27542EVM Hi TI team, I have a question regarding the setting of SOHLOADI. Currently, the device uses a current of 7A/1Sec, 1A/1Sec, with an average current of 4A. According to the manual, SOHLOADI should be set to the device's operating current. Is it correct for me to set it to -4000mA here? If incorrect, what is the recommended setting value? Thank you.
LM51561H: LM51561H no work issue of boost to 24V
Part Number: LM51561H function role：LAN POE power supply function design：LM5161H chip，input power 12V boost output 24V issue description： 1.power on supply input 12V power, the function can output 24V. as below: picture 1 (out:24V, Gate PWM:11.13%) 2.alter 30s, the inductor L1 and N-MOS VQ1 is burning hot. the output 24V will drop to 12V. as below: picture 2(out:24V, Gate PWM:64.47%) and pictue 3(out:12V, Gate PWM:0%) TI LM51561H boost to 24V and 48V power SCH.pdf
TPS74401: Could you please tell me the Temperature Coefficient of TPS74401
Part Number: TPS74401 Hello, Could you please tell me the Temperature Coefficient of TPS74401 about the output voltage when its output current is high.Our clients value this characteristic very much. Thank you for your help. Liu
Request for Reference Design and Circuit Diagram - 10KV Surge Protection
We are currently working on a project that requires a device capable of withstanding a 10KV surge in 3 Phase Supply. To ensure the appropriate design and implementation, we kindly request the reference design and circuit diagram for the 10KV Differential Mode Surge Standard.
Require super capacitor management IC
Hi, We are in need of a supercapacitor management IC for our operations. The required specifications for this operation include a 2-minute duration at an average current of 50mA for a 3.3V system. Please suggest suitable IC options and the recommended supercapacitor value, or any other relevant suggestions. Thank you.
TPS65988DKEVM: Configuration help
Part Number: TPS65988DKEVM Hi, I have TPS65988DKEVM. Could you please help me configure this device for the following scenario? I'll use these settings on my custom TSP65988 board as well. Scenarios 1. USB-C Port 1 as a sink-only port. I'll connect the PD support power supply (100W or more). I want to appear 20V @ 5A at TPS output. 2. USB-C Port 2 as Sink and source. Source/Sink max 20W (5V @ 4A) and. 3. If both USB-C port is connected to the PD power supply, Port 1 should be prioritized. Thanks
TPS3760: CTR /MR pin
Part Number: TPS3760 Hi team, Is it possible to use manual reset and reset delay together? I am considering using a capacitor and open drain output logic connected to the CTR/MR pin. Best Regards,
How Can simulate this Part in LT spice means needed its simulation file for LT spice
Dears We are using this pat in our circuit. Before that I want to simulate this in LT spice. So, can you please guide me or provide me how to use this simulation model which i can add in LT spice and simulate it?
BQ27542EVM: About the "State of Health Load I" setting
Part Number: BQ27542EVM Other Parts Discussed in Thread: BQ27541-G1 Hello everyone. Discharge current bq27541-g1 [7.5A/1000μsec,0.8A/100μsec] <= 1200 repetitions + 0.2A/6sec under the following conditions. The GAUGE uptake current at this time is shown in the figure below. When the battery was repeatedly charged and discharged under these conditions, the capacity was reduced to 2085mAh (81%) compared to the initial capacity value of 2570mAh after 600 cycles. On the other hand, GAUGE's SOH is at 61%.
BUF22821EVM-USB: Use multiple EVM by one PC
Part Number: BUF22821EVM-USB Hi team, Customer wants to use multiple EVM(max 4) by one PC. Q1. Is this possible? Q2. It it possible to install multiple identical software(SBOC417 — BUF22821EVM-USB User Software) to one PC? If possible, how? Best regards, Goto
BQ76952: GPC upload error
Part Number: BQ76952 Hi expert. I don't know why error message reported. Problem with thermistor.txt file. Number of temperatures listed does not match number of resitances. Also make sure to leave one blank line between resistances and temperatures and no other blank lines in the file. Coeff NTC_LNFK103.zipCoeff NTC_LNFK103-report.zip
TL2842: the spec Tj and Rjc for TL2842DR-8, SO-8
Part Number: TL2842 Hi team， Could you please kindly help check if we have the spec Tj and Rjc for TL2842DR-8, SO-8? Thanks, Brian
LM2611: Grade A, B difference
Part Number: LM2611 Hello Team, I can see the Grade A and B have difference in Current limit value. Is there any reason LM2611 has 2 kinds of current limit? Thank you!
BQ21080: Can BQ21080 support I2C 50kbits/sec data?
Part Number: BQ21080 Hi team, Could BQ21080 support I2C 50kbits/sec data? The datasheet mentioned standard mode and fast mode. Thanks, Leo
LP5912-Q1: Minimum load current requirements?
Part Number: LP5912-Q1 Other Parts Discussed in Thread: LP5907-Q1, LP5907 Dear team, It is similar question of e2e below, but it is for LP5912-Q1. https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1311727/lp5907-q1-minimum-load-current-requirement?tisearch=e2e-sitesearch&keymatch=%20user%3A488273# 1. Is there minimum load current requirement on LP5912-Q1? I could not find the section of "No-load Stability" like LP5907-Q1 in LP5912-Q1 datasheet.
LP5907-Q1: Minimum load current requirement?
Part Number: LP5907-Q1 Other Parts Discussed in Thread: TINA-TI Dear team, My customer is evaluating LP590718QDQNRQ1 for their system and have 2 questions. Can you help me to support them? 1. Are there minimum load current requirement? Some LDO have the minimum load current spec, but there is no requirement on the datasheet of LP5907-Q1. Also on 8.2.2.7 mentions it remains stable and in regulation with no load. I also did the TINA-TI simulation with no load operation, and it looked stable at 1.8V.
TPS4H160-Q1: tps4h160-q1 pwr package thickness min value
Part Number: TPS4H160-Q1 Hi, for tps4h160bqpwprq1 pwp0028C package, like the picture, just provide 1.2 max, can you also provide min value for customer process engineering requirement? best regards, jeff wang
BQ40Z80: R_pad value for calculating Thermistor Coefficient
Part Number: BQ40Z80 Hi Expert When using Excel sheet for calculating Thermistor Coefficient, what is R-PAD value of BQ40z80 ? If set the R_PAD value to 2Kohm according to datasheet Fig. 6-3, then the Coeff a2 value overflows.
LMR43610: Inductor selection
Part Number: LMR43610 Hi, I am planning to design a Step-Down circuit using the LMR43610MB3RPER. Vin: 4.8~36V Vout: 3.3V Iout: 0.3A Ripple Current Ratio K = 0.3 Using the inductor calculation formula provided in the datasheet, I found that when Vin is 4.8V, it's approximately 11uH, and when Vin is 36V, it's about 33uH. In this case, which value should I choose between 11uH and 33uH?
BQ27Z561: BQ27z561 Learning Cycle golden image file specification
Part Number: BQ27Z561 Other Parts Discussed in Thread: BQ25601 Hello TI Team, We are using BQ27z561 fuel gauge IC and BQ25601 Charger IC in our custom board. We have performed the learning cycle procedure. After successfully completing learning cycle, four images are generated as mentioned below: bq.fs df.fs gm.fs srec.fs Can you please provide your comments for below queries? Each file contain what data kind of data? Which file do we need to flash in fuel gauge data memory?
TPS22954: max voltage on CT pin
A related question is a question created from another question. When the related question is created, it will be automatically linked to the original question.
TPS6594-Q1: PMIC unstable connection to computer through GUI, after connector succeed occaslonally, burning NVM code by GUI, reporting EEPROOM unlock fault, unable to perform flashing
Part Number: TPS6594-Q1 Other Parts Discussed in Thread: MSP432E401Y Question 1: Through the debugging board of MSP432E401Y MCU Launchpad, the TPS6594 chip is connected through GUI. The output connection is unstable, sometimes good and sometimes bad, and the I2C pull-up resistor is 1.5K. It can connect to the MSP432 board, but cannot connect to the chip.
TPS50601-SP: Tracking start-up
Part Number: TPS50601-SP Customer needs to have two TPS50601-SP circuits power up together. Vout1 = 3.3V, Vout2 = 1.8V. However, the two output voltage ramps need to be within 0.7V of each other until Vout2 reached regulation at 1.8V and then the 3.3V continues ramping.
TPS84259: why do these devices have completely same electric characteristics?
Part Number: TPS84259 Other Parts Discussed in Thread: LMZ34002 Hi team, May I know the difference between TPS84259 and LMZ34002 since these devices have completely same electric characteristics? If you know, why do these devices have completely same electric characteristics? Best regards, Shunsuke Yamamoto
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