The MAXREFDES1269 demonstrates how to build a DC-DC buck converter using the MAX20098 step-down controller for 5V DC output applications from a 6V to 36V input. This reference design delivers up to 20A at 5V output. The design uses a six-layer board. Table above shows an overview of the design specification.
MAXREFDES116# is an efficient, active clamp topology, isolated power supply design with 24V input, and a 5V output at 40W of power (8A). The design features the MAX17599, an active clamp, current-mode PWM controller optimized for industrial supplies. This entire circuit fits on a 20mm x 70mm board.
This application note presents a reference design for a signal-lamp linear LED driver that consists of six strings of 4 LEDs per string and delivers 350mA per string with a common cathode configuration. Common cathode arrangements require that the current-sense resistors be placed on the high (anode) side, which forces the LED drivers to use a level shifter.
TIDA-00679 TI reference design demonstrates a solution for automotive LED taillight applications (tail/brake lights, turn signals, reverse lights). This reference design uses the TPS92630 linear LED driver, which is powered directly from the car battery through a smart battery reverse diode. The design offers the potential for cost savings and efficiency through low power dissipation and improved system thermal performance. The reference design also includes CISPR25 testing, pulse testing (per ISO 7637-2), and EMI/EMC radiated and conducted emissions testing. See TIDA-00677 for a similar design using the TPS92630-Q1 driven by a buck converter . See TIDA-00678 for a similar design driven by a boost converter .
This reference design provides design guidance, data and other content for a 1.6kW 48V output power supply using semi-bridgeless PFC and isolated phase-shifted full-bridge DC-DC converters.
The MAX17681/MAX17681A is a high-voltage, highefficiency, iso-buck DC-DC converter designed to provide isolated power up to 5W. The device operates over a wide 4.5V to 42V input and uses primary-side feedback to regulate the output voltage .
icebreaker++ is a very nice and convenient little board. But it has a small flaw, the ice40 FPGA it uses is very simple, and it's generally fun to see people doing exciting projects with 5k LUTs. Sometimes it's convenient to have some extra space available when experimenting.
Evaluation kits (EV kits) are often the best tool for evaluating the applicability of a particular DC-DC converter for a specific application. Simulation, though never as accurate as the real hardware, is much faster and can be very effective for initial evaluations. Maxim Integrated’s MAX17504EVKITA is a 3.3V output EV kit for the MAX17504 member of the Himalaya family of high-voltage, synchronous step-down converters. The MAXIM_EESIM_MAX17504EVKITA.wxsch is a circuit file that enables simulation of this EV kit using the free EE-Sim SE simulation tool, downloadable from the Maxim Integrated website. EE-Sim SE is a variation of the commercial SIMPLIS/SIMetrix tool, which can also be used with this file.
This document details the MAXREFDES138# subsystem reference design, a 36V to 57V input, 12V output, no-opto flyback isolated power supply capable of 12W. Design files and test results are included. Hardware is available for purchase.
The FRDM-HB2001FEVM evaluation kit allows users to practice using all features of the MC33HB2001 H-bridge device with FRDM-KL25z and SPIGen software.
The Multi-Standard 27W Mobile Charger enables the design of power supplies featuring extreme low standby power with the output voltage in full regulation, very high efficiency and high reliability. The NXP chipset used is targeting mobile and notebook power supplies with power requirements up to 100W. Supplies can be designed easily and with a minimum number of external components.
65 W isolated flyback general purpose adapter using MinE-CAP ICs to achieve the highest possible power density and design simplicity
The main purpose of TIDA-00600 is to provide a cost-optimized small power management solution for ZigBee systems that require both rechargeable battery and DC connector power. The TIDA-00600 design provides power management departments with test data, design guidance, and light drawing files. This reference design features the LP5907, an ultra-small LDO with high PSRR and low noise, and the BQ24230, a stand-alone battery charger.
The Multi Standard 45W Mobile Charger enables the design of power supplies featuring extreme low standby power with the output voltage in full regulation, very high efficiency and high reliability. The NXP chipset used is targeting mobile and notebook power supplies with power requirements up to 100W. Supplies can be designed easily and with a minimum number of external components.
The bq297xy device provides protection for Li-ion/Li-polymer batteries and monitors across external power FETs to provide protection against high charge or discharge currents. Additionally, there is monitoring and protection against overcharging and depleted batteries. These features are achieved with very low current consumption when operating in normal mode.
This single-layer reference design for pedestal fans and other similar appliances features 2-inch diameter pads and an integrated controller that reduces component count. In addition, sensorless control eliminates the need for Hall sensors and provides multiple protection functions such as overcurrent protection, undervoltage lockout, and overheating protection, each of which improves the robustness of the design. This reference design is suitable for 8V-24V input voltage and is capable of delivering 3A (peak)/2A (rms) phase current.
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