This TI design uses Texas Instruments' nanopower system timers, SimpleLink™ ultra-low power wireless microcontroller (MCU) platform, and humidity sensing technology to demonstrate an ultra-low power approach to driving a sensor end node. These technologies enable extremely long battery life: more than 10 years on a standard CR2032 lithium-ion coin cell battery. This TI Design includes system design techniques, detailed test results, and information to get your design started and up to speed.
Power over Ethernet (PoE) is a technology that allows network cables to deliver power to a powered device (PD) via power-sourcing equipment (PSE) or midspan and has many advantages over traditional methods of power delivering. The MAXREFDES1148 reference design is a 36V~57V input to 5V/2.5A output flyback PoE PD power module to be used in Ethernet equipment that needs the 5V power supply to be isolated from the primary Ethernet power.
The TIDEP0084 reference design shows how to connect sensors to the cloud over long-range sub-1GHz wireless networks suitable for industrial environments such as building control and asset tracking. It is powered by TI Sitara™ AM335x processors and SimpleLink™ sub-1GHz CC1310/CC1350 devices. This reference design comes pre-integrated with TI's 15.4-Stack Software Development Kit (SDK) and Linux® TI Processor Software Development Kit (SDK) for sub-1GHz star networking. TI Design Network Partner stackArmor enables cloud connectivity and visualization of sensor node data through cloud application services.
Smoke sensor design includes principle circuit design, PCB and BOM list
This TI reference design is an automotive dashboard signaling solution that contains a monolithic, medium voltage, low current power 12-bit shift register designed specifically for use in systems requiring relatively moderate load power, such as LEDs in car dashboards. This design is part of a complete automotive dashboard system solution optimized for the mid-range dashboard market. The entire solution supports 4.5-40V system functionality and can withstand cold crank, start-stop and load dump conditions.
The complete PMBus power system can power 3 ASIC/FPGA cores, DDR3 core memory, and provide auxiliary voltage for high-performance Ethernet switches.
The MAX5971B is a single-port power controller designed for use in IEEE 802.3af/at-compliant power-sourcing equipment (PSE). This reference design provides a detailed technical guide to designing the MAX5971B PSE controller for DC-disconnect.
This is a 35W 19.0V/1.84A USB adapter reference design using quasi-resonant PWM integrated circuit ICE2QS03G, CoolMOS™ IPD60R600P6 (DPAK), 2 small signal low voltage MOSFETs 2N7002 and high-speed switching diode BAS21-03W in a short brick shape , peak power is 45W, lasting 2 milliseconds.
The MAXREFDES1199 demonstrates how to build a lowcost buck DC-DC converter using the step-down converter MAX17244 for 5V DC output applications from a 12V to 32V input. This reference design delivers up to 2.5A at 5V. This design uses a two-layer board and minimizes component count to reduce cost.
The MAXREFDES1049 is a DC-DC buck power supply that delivers up to 3.5A at 5V from a 7.5V to 60V supply voltage. It is designed for equipment that needs to pass the electromagnetic interference (EMI) compliance testing.
As LEDs are becoming more and more popular, so is the need for small, cost-effective solutions. The MAXREFDES1080 is a constant-current, high-brightness LED (HB LED) driver. It delivers 5W of power to a single LED string, which is included in the design. The circuit is in a step-down configuration and is designed for a 12V input.
To meet the increasing demands for isolated Power over Ethernet (PoE) power solutions, Maxim’s power supply experts have developed innovative, isolated, PoE, powered device (PD) power solutions. These isolated PoE power solutions efficiently convert high voltage PoE power into 5V and 12V outputs, respectively. Each design was tested for load and line regulation, as well as efficiency and transient performance. These boards feature a module architecture, with through-hole pins for immediate board placement and accelerated prototyping.
The MAX17509 integrates two internal switch step-down regulators with programmable features. The device can be configured as two single-phase independent power supplies or as a dual-phase, single-output power supply. The device operates from 4.5V to 16V input and generates independently adjustable output voltage in the ranges of 0.904V to 3.782V and 4.756V to 5.048V, with ±2% system accuracy. The MAX17509 provides maximum flexibility to end-users by allowing them to choose multiple programmable options by connecting resistors to the configuration pins. Two key highlights of the device are the self-configured compensation for any output voltage and the ability to program the slew rate of LX switching nodes to mitigate noise concerns. Noise-sensitive applications, such as high-speed multigigabit transceivers in FPGAs, RF, and audio, benefit from this unique slew-rate control. SYNC input is provided for synchronized operation of multiple devices with system clocks.
The TIDA-00892 reference design provides a compact solution capable of generating isolated DC power while supporting isolated RS-485 communications. This reference design contains a reinforced digital isolator with integrated power supply and an RS-485 communications transceiver.
This note describes a triple-output, high efficiency, POE (Power over Ethernet) power supply with synchronous rectification. The supply has ±5% regulation an all outputs and meets all the IEEE802.3af requirements. The topology for the dc-dc converter is a continuous current flyback. The switching frequency for the primary PWM is 275 Khz.
Fuses are used in many products to protect against possible damage caused by current surges and overcurrents. Traditional fuses used in the automotive space have lower accuracy and longer response times. The TIDA-00795 Automotive Precision Electronic Fuse Reference Design is an alternative to traditional fuses that is more accurate and offers capabilities not found in traditional fuses. This electronic fuse reference design can be used as a building block for implementing a multi-channel electronic fuse box. It can also be used in body control modules (BCM) and electronic control units (ECU).
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