App note: Advantages and limitations of the chopper-stabilized architecture of zero-drift precision op amps

App note from ON Semiconductors on the do’s and don’ts when using zero-drift precision op amps. Link here (PDF) Zero−drift precision op amps are specialized op amps designed for applications that require high output accuracy due to small differential voltages. Not only do they feature low input offset voltage, but they also have high CMRR, […]

App note: Charging capacitive loads with eFuse

App note from ON Semiconductors on how eFuse manage to cope up with large capacitive loads. Link here (PDF) The eFuse protection devices are used for limiting the system load current in the events of overload or short circuit. Many applications employ On Semiconductor eFuses at the power input stage of the system between the […]

App note: Tuning linear redrivers

App note from ON Semiconductors about linear redrivers setting. Linear redrivers are used in systems in order to improve high speed signal integrity in systems transmitting digital data. Link here (PDF) Linear redrivers are used in many applications that transmit data at high speeds. They can be found on computer motherboards, gaming consoles, graphics cards, […]

App note: LV5980MC step-down switching regulator

Single chip high efficiency step-down converter, app note from ON Semiconductors. Link here (PDF) The LV5980MC is a fixed 370 kHz, high−output−current, Non−synchronous PWM converter that integrates a low−resistance, high−side MOSFET and a Customer Chosen, External Diode for the rectification. The LV5980MC utilizes externally compensated current mode control to provide good transient response, ease of […]

App note: Designing a PSR Quasi-Resonant adaptor driven by the NCP1362

ON Semiconductor’s app note featuring 12V 12W adaptor design using NCP1362 primary side regulation controller with valley lockout that hold its switching frequency at light loads. Link here (PDF) Quasi−square wave resonant converters also known as Quasi−Resonant (QR) converters are widely used in the adaptor market. They help designing flyback Switched−Mode Power Supply (SMPS) with […]

App note: PCB layout guidelines for high frequency signaling products

High speed board design app note from ON Semiconductor. Link here (PDF) There is an increase of devices and circuitry in usage of high speed, low consumption, small volume and lower interference. Hence PCB design is an important stage of electronic product design. It forms a connection between function and electronic components, and is also […]

App note: Design of a 100W active clamp forward DC-DC converter for telecom systems using the NCP1562

Another DC-DC converter design using ON Semiconductor’s NCP1562 PWM Controller. Link here (PDF) The NCP1562 PWM controller contains all the features and flexibility needed to implement an active clamp forward dc−dc converter. This IC operates from an input supply up to 150 V, thus covering the input voltages usually found in telecom, datacom and 42 […]

App note: PoE Powered Device (PD) rectifier bridge circuits

App note from ON Semiconductors regarding different bridge rectifier topologies and how to reduce power losses in these stages. Link here (PDF) Power over Ethernet (PoE) is a technology which allows power sourcing equipment (PSE) to safely transfer power to a powered device (PD) through an Ethernet cable. The majority of the power transferred to […]

App note: Stepper motor module solution kit for LV8702V motor driver

Easily develop a motor conptrol application using this kit from ON Semiconductors without special knowledge of motor driver specs. Link here (PDF) This kit provides an API function library for motor driver control designed to control the ON Semiconductor motor driver product (LV8702V) via the Arduino Micro microcomputer. It also provides a dedicated GUI for […]

App note: Battery Fuel Gauging LSI [Smart LiB Gauge] for 1-Cell Lithium-ion/Polymer with LC709204F

App note from ON Semiconductor on their Smart Fuel gauge LC709204F. Link here (PDF) LC709204F is a Fuel Gauge for 1−Cell Lithium−ion/ Polymer batteries. It is a part of our Smart LiB Gauge family of Fuel Gauges which measure the battery RSOC (Relative State Of Charge) using its unique algorithm called HG−CVR2. The HG−CVR2 algorithm […]

App note: Paralleling eFuses

ON Semiconductors guide to cover much higher current capacity from eFuses. Link here (PDF) The standard 12 V, 5 V and 3.3 V electronic fuses from ON Semiconductor provide overcurrent and overvoltage protection and come in different current limit configurations. As an example, the 5 V NIS5452 eFuse has a recommended operational 5 A current […]

App note: How to prevent thermal issues with high output current DC to DC converters in portable applications

Tips and tricks from ON Semiconductors on how to optimize high output current switching regulators thermal dissipation. Link here (PDF) As power demand in portable designs is more and more important, designers must optimize full system efficiency in order to save battery life and reduce power dissipation. Energy losses study allows knowing thermal stakes. Due […]

App note: Consideration of self pollution reduction for electronic systems

App note from ON Semiconductors on EMI self pollution. Link here (PDF) This application note will address the problem of Electro Magnetic Interference (EMI) self pollution in which one part of an electrical systems such as cell phones and consumer electrical products emit radiation that interferes with the operation of other parts of the system.

App note: 1 kV SenseFET integrated power switch

App note from ON Semiconductors on their FSL4110LR power switch for SMPS power supplies. Link here (PDF) Some industrial equipment that are supplied from a threephase AC power source such as industrial drives and energy meters often need an auxiliary power supply stage that can provide a regulated low-power DC source for analog and digital […]

App note: Programmable analog functions

Another app note from ON Semiconductors about various digital potentiometers application. Link here (PDF) Analog circuits are made programmable by using digital potentiometers (POTs) to vary the key circuit parameters. This application note provides the analog design engineer with basic reference designs and circuit ideas for controlling the key parameters of analog circuits using digital […]

App note: Digital potentiometer (POT) to control LED brightness

Controlling LED brightness through digital potentiometer and a LED driver from ON Semiconductor. Link here (PDF) Light-emitting diodes (LEDs) require a regulated current, and their brightness is proportional to the current that flows through them. Some LED drivers use an external resistor to set the LED current. A digital POT can replace a discrete resistor […]

App note: Board level application notes for DFN and QFN packages

Board mounting an DFN/QFN (Dual/Quad Flat-Pack No lead) application note from ON Semiconductor. Link here (PDF) The DFN/QFN platform offers a versatility which allows either a single or multiple semiconductor devices to be connected together within a leadless package. These guidelines include printed circuit board mounting pads, solder mask and stencil pattern and assembly process […]

App note: Reduced power dissipation of relay loads

Another app note from ON Semiconductors on using PWM technique to reduce power consumed when latching mechanical relays. Link here (PDF) Integrated circuit driver circuits often use relay loads in their application. Output drivers are a source of power dissipation on the IC. Latching relays can be used to keep sustaining load current at a […]

App note: The load switch – Selection and use of ecoSWITCH(TM) products

ecoSWITCH(TM) from ON Semiconductors offers space saving solution on power distribution system. Link here (PDF) Load switches play an important part in the management of supply domains and the protection of the loads they supply. Loads switches are often used for power sequencing, standby load leakage reduction, and inrush current control. Integrated ecoSWITCH products deliver […]

App note: Recommendations to avoid short pulse width issues in HVIC gate driver applications

Application note from ON Semiconductors discussing possible abnormalities on High voltage gate driver when operating on short pulses. Link here (PDF) The High−Voltage Integrated Circuit (HVIC) gate driver family is designed to drive an N−channel MOSFET or IGBT up to 600 V. One of the most common methods to supply power to the high−side gate […]