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 […]

App note: High voltage inverting buck reduces complexity and board space

App note from ON semiconductors about repurposing a buck converter to produce negative voltages. Link here (PDF) Applications in the electronics industry ranging from sensor−based designs to power amplifiers are periodically faced with the requirement to generate a negative voltage rail. Although many transformer−based designs, charge pumps and other methods have been used to meet […]

App note: High-side smart-FETs with analog current sense

Smart-FETs application from ON Semiconductors. Link here (PDF) This application note describes the structure and design philosophy of ON Semiconductor High Side Smart−FETs, and serves as a guide to understand the operation of the device in specific applications. The scope of this document is limited to Smart−FETs with analog current sense output.

App note: Introduction to the silicon photomultiplier (SiPM)

App note from ON Semiconductors about SiPM sensors, explaining the working principle and primary performance parameters. Link here (PDF) The Silicon Photomultiplier (SiPM) is a sensor that addresses the challenge of sensing, timing and quantifying low-light signals down to the single-photon level. Traditionally the province of the Photomultiplier Tube (PMT), the Silicon Photomultiplier now offers […]

App note: How to maintain USB signal integrity when adding ESD protection

Introducing the eye diagram method in this app note from ON Semiconductors in determining signal integrity of USB lines. Link here (PDF) The Universal Serial Bus (USB) has become a popular feature of PCs, cell phones and other electronic devices. USB makes data transfer between electronic devices faster and easier. USB 2.0 transfers data at […]

App note: Low-side self-protected MOSFET

Integrated fault protected MOSFET app note from ON Semiconductors. Link here (PDF) The ever increasing density and complexity of automotive and industrial control electronics requires integration of components, wherever possible, so as to conserve space, reduce cost, and improve reliability. Integration of protection features with power switches continues to drive new product development. The often […]

App note: Hot plug insertion startup time delay for eFuse

App note from ON semiconductors about time delay on start up in conjunction with eFuse to compensate voltage spikes that can falsely trigger them. Link here (PDF) The eFuse protection devices are used for limiting the system load current in the event of an overload or a short circuit. Many applications employ ON Semiconductor eFuses […]

App note: The four benefits brought by using NCP12600

App note discussing extended features of NCP12600, NCP12600 is a multi-mode controller for offline power supplies by ON Semiconductor. Link here (PDF) Beside the novel multi−mode structure it embarks, the NCP12600 packs a lot of features such as an efficient short−circuit protection architecture, a start−up sequence with a slow switching frequency ramp−up, a fast reset […]

App note: Application of SiC MOSFETs

App note from ON Semiconductors about Silicon Carbide MOSFETs, their difference and gains over Silicon MOSFETs. Link here (PDF) Among the Wide Band Gap materials silicon carbide (SiC) is by far the most mature one. The raw wafer quality has greatly improved over the last years with significant reduction of micro pipes and dislocations. Silicon […]

App note: Interfacing to analog switches: Driving the control input of an analog switch with 1.8 V or lower − Is it safe?

ON Semiconductor’s analog switches let you drive with an input control voltage lower than Vcc. Link here (PDF) Analog switches are everywhere today. Due to their small size and low current consumption, they are popular in portable devices where they are effective in a variety of subsystems including audio and data communications, port connections, and […]

App note: Consideration of self-pollution reduction for electronic systems

App note from ON Semiconductors discussing how locally generated EMI affects its own system and how to prevent it. 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 […]

App note: Current sensing power MOSFETs

SENSEFET App note from ON Semiconductors incorporate a current sense inside a power MOSFET, these devices are straight forward calculating for sense resistance and voltage but have trade-offs for smaller current sensing. Link here (PDF) Current sensing power MOSFETs provide a highly effective way of measuring load current in power conditioning circuits. Conceptually simple in […]

App note: Improve flicker performance of direct AC driven LED fixtures with self valley fill

Application note from ON Semiconductors on LED lighting flicker caused by its own AC supply by adding an improved self valley fill circuit. Link here (PDF) To provide power to LED loads from AC input, SwitchMode Power Supplies (SMPS) are generally used since LED need to be driven by regulated current. Consequently, LED lighting solution […]

App note: Operation evaluation of ultra low ON resistance MOSFET supporting quick charge for 1 cell Lithium ion battery protection

ON semiconductor’s application note on faster charging of Lithium Ion batteries with consideration on heat suppression. Link here (PDF) Currently, because LiB (Lithium Ion Battery) is superior in current density and electromotive force, it becomes mainstream of batteries for mobiles such as smart phone. However, because LiB is weak at over-charge and over-discharge, a control […]

App note: Audible noise reduction techniques for FPS (Fairchild Power Switch) Applications

Reducing audible noise in switch mode power supplies app note from ON Semiconductors. Link here (PDF) In general, switched mode power supplies do not generate audible noise when they operate at constant ultrasonic frequencies (>20kHz). However, some switched mode power supplies can produce audible noise at certain load conditions. Most Fairchild Power Switches are designed […]

App note: Advantages of eFuses versus PTC resettable fuses

The advantage of eFuses an application note from ON Semiconductors. Link here (PDF) Overcurrent protection is a basic necessity for electrical devices. While many people are familiar with fuses and household circuit breakers, few are intimately familiar with the kinds of overcurrent protection devices that are found in electronics. Though not a comprehensive list, there […]

App note: Battery fuel gauge IC (LC709203F) for 1-Cell Lithium-ion (Li+)

Lithium-ion fuel gauge IC from ON Semiconductors. Link here (PDF) The LC709203F is an IC that measures the remaining power level of 1-cell lithium-ion (Li+) batteries used for portable equipment etc. This product reduces fuel gauge errors with a unique correction technology during measurement of battery temperature and voltage. This technology has inherently high precision […]