The NCP5810 from ON Semiconductor is a new 2 W dual-output DC-DC converter that offers both positive and negative output. The device's output voltage accuracy, high switching frequency, and small package size make it particularly suitable for powering a display driver in active matrix organic light emitting diodes (active matrix OLED or AMOLED) panel, an emerging display technology for portable applications.
Active matrix OLED technology delivers better colour contrast and video playback quality than today's LCD displays, but creates added power management challenges for design engineers. For example, because AMOLED displays are sensitive to changes in power supply voltages, the NCP5810 is designed to provide accurate feedback voltage with 1% tolerance and a fast line transient response with overshoot of 4 mV, given a 500 mV input voltage variation.
Featuring high overall efficiency up to 85% at 1,75 MHz oscillator frequency, this converter delivers what the manufacturer claims is best-in-class performance. In order to complement the slim form factor of AMOLED display, the converter switches at the high 1,75 MHz frequency, allowing the use of small inductors and ceramic capacitors. Its ultra-thin package with 0,55 mm thickness allows the NCP5810 to fit into the thinnest portable design form factor. In addition, it preserves battery power in shut-down mode with a cut-off function that limits the leakage display current to typically 1 mA. Additionally, the NCP5810 features cycle-by-cycle peak current limit and thermal shutdown protection.
Analysis of switch-mode power supply: inductor violations Altron Arrow
Editor's Choice Power Electronics / Power Management
Common switch-mode power supply (SMPS) design errors are discussed, and their appropriate rectification is specified, with details on complications that arise with the power stage design of DC-DC switching regulators.
Read more...Microsoft Windows IoT on ARM Altron Arrow
Computer/Embedded Technology
This expansion means that the Windows IoT ecosystem can now harness the power of ARM processors, known for their energy efficiency and versatility.
Read more...Microchip introduces ECC608 TrustMANAGER Altron Arrow
Circuit & System Protection
To increase security on IoT products and facilitate easier setup and management, Microchip Technology has added the ECC608 TrustMANAGER with Kudelski IoT keySTREAM, Software as a Service (SaaS) to its Trust Platform portfolio of devices, services and tools.
Read more...General-purpose MCU with RISC-V architecture EBV Electrolink
DSP, Micros & Memory
Renesas has released a general-purpose MCU to enhance its existing RISC-V portfolio, and this is its first MCU using a RISC-V core developed internally at the company.
Read more...SolidRun unveils new SoM Altron Arrow
AI & ML
SolidRun and Hailo has unveiled a game-changer for engineers and AI product developers with the launch of their market-ready SoM, which packs the cutting-edge capabilities of the Hailo-15H SoC.
Read more...An evolutionary step in customisable logic Altron Arrow
DSP, Micros & Memory
Microchip Technology is offering a tailored hardware solution with the launch of its PIC16F13145 family of microcontrollers, which are outfitted with a new Configurable Logic Block module.
Read more...Compact PCB-mount SMPS RS South Africa
Power Electronics / Power Management
Traco Power’s 5W PCB-mount switch mode power supply (SMPS) offers high efficiency, and is well suited for a variety of applications in the automation, electronics, electrical and mechanical industries.
Read more...AC-DC brick PSU Conical Technologies
Power Electronics / Power Management
These PSUs have a typical efficiency of up to 92%, and a power factor value of up to 0,99. They are available in 12, 24, 28, 48 and 54 V output versions.