App note from ON Semiconductors about reverse polarity battery protection using MOSFETs and their MOSFET driver for efficiency. Link here (PDF) When the vehicle’s battery is damaged and needs replacement the probability of connecting the new battery in reverse is high. Since many electronic control units (ECU) in the vehicle are connected to the vehicle’s […]
Tag Archives: ON Semiconductors
App note: Small, simple, PWM buck controller can replace high current LDOs
Compact buck converter design from ONSEMI an alternate solution for LDOs producing larger current. Link here (PDF) Low dropout, linear regulators, or LDOs, are typically used for post−regulation because they are easily implemented and provide a relatively noise−free power source. However, for higher currents, such as 1.0 A and above, LDOs take up a great […]
App note: Isolated precision regulation of a single 1.8 Volt output from a universal line input
Isolated precision SMPS design from ONSEMI. Link here (PDF) The following Application Note describes an off–line switching power supply utilizing a precision programmable reference to regulate a 1.8 volt output. The center of the app note is the MC33363B, a monolithic SMPS controller with a 700 volt power switch, and the NCP100, a sub–one volt […]
App note: Transmission-line effects influence high-speed CMOS
Old app note from ONSEMI but still a good reference when designing with high speed CMOS devices. Link here (PDF) Unlike low-power, metal-gate CMOS, high-speed 54HC/74HC devices readily drive long cable runs and backplanes. While the family maintains CMOS’s traditional noise immunity, you must watch transmission-line effects in such applications.
App note: Reading onsemi IGBT datasheets
Helpful app note from ONSEMI that will guide you to their IGBT parameters. Link here (PDF) The Insulated Gate Bipolar Transistor is a power switch well suited for high power applications such as motor control, UPS and solar inverters, and induction heating. If the application requirements are well understood, the correct IGBT can easily be […]
App note: SEPIC converter analysis and design
Wide input voltage is a specialty of this type of DC-DC converter, here’s an app note from ON Semiconductors on SEPIC converters. Link here (PDF) The single−ended primary−inductor converter (SEPIC) is a type of DC/DC converter that allows the electrical potential (voltage) at its output to be greater than, less than, or equal to that […]
App note: The importance of compensation capacitors on the eFuse power line
Inductive spike on voltage rails causes eFuse to shutdown, here’s an app note from ON Semiconductors on how they solve this problem from happening. Link here (PDF) ON Semiconductor produces a wide variety of silicon based protection products including current limiting devices such as Electronic Fuses (eFuses). During an over−current stress, eFuses can limit the […]
App note: eFuse reverse voltage protection
App note from ON Semiconductors about eFuses’ ability to block reverse voltage. Link here (PDF) One area in which they (eFuses) differ in performance is reverse polarity protection. While a TVS device and polyfuse will protect against reverse voltages, the nature of an integrated semiconductor device does not inherently allow for this type of protection. […]
App note: Implementation of error code correction in EEPROMs
App note from ON Semiconductors about their EEPROM error correction. Link here (PDF) Some of ON’s automotive EEPROMs, like the Grade 0 NV25xxx family (SPI, 1 – 64 Kb) and the Grade 1 CAV24Cxx / CAV25xxx (Grade 1, 128 Kb and higher) implement an Error Code Correction scheme. What this means is that for each […]
App note: Revolutionizing analog to digital conversion
App note from ON Semiconductors introducing their nano power ADC NCD9801x. Link here (PDF) The NCD9801x ADC is a differential 12−bit resolution successive approximation register analog−to−digital converter unlike any other SAR ADC available on the market. It uses an innovative design to keep a low input capacitance of 2 pF, easily besting the typical SAR […]
App note: Design and application guide of bootstrap circuit for high-voltage gate-drive IC
A deeper dive into controlling gates of MOSFETs with boostrap circuits talked in this app note from ON Semiconductors. Link here (PDF) The purpose of this paper is to demonstrate a systematic approach to design high−performance bootstrap gate drive circuits for high−frequency, high−power, and high−efficiency switching applications using a power MOSFET and IGBT. It should […]
App note: Understanding eFuse input voltage transients from hot plug events
App note from ON Semiconductors about things to look for when hot plugging eFuses. Link here (PDF) System designers must account for voltage surges that occur when supplies or loads are connected. eFuses are integrated circuits with many features to protect loads from these surges. However, it is important to ensure that the eFuse itself […]
App note: Performance of LC823455 echo canceller
App note from ON Semiconductors about LC823455 audio processor echo cancelling test results. Link here (PDF) The canceller enables customers to improve the sound quality of hands free communication in wireless headset or other voice communication products.
App note: Performance of LC823455 noise canceller
App note from ON Semiconductors on their LC823455 audio processor noise cancelling test results. Link here (PDF) The canceller enables customers to improve audio characteristics for products such as Wireless headsets, Wireless speakers or Voice recorders.
App note: Active cable usage with ON Semiconductor Redrivers
App note from ON Semiconductors about the need for long cables for high speed Type-C and Type-A connectors. Link here (PDF) With the increasing requirement for high speed transfer of larger bulk of data, better quality video and power delivery, change over from analog to digital videos, bi−directional transfers, it become essential to use a […]
App note: Automotive pre-regulator reference design and evaluation board overview
App note from ON Semiconductors on their various reference designs on automotive regulator topologies. Link here (PDF) ON Semiconductor provides several reference designs for automotive synchronous buck pre−regulators covering a broad range of applications such as ADAS, cluster, body and infotainment.
App note: Performance comparison of 1200 V SiC MOSFET and Si IGBT Used in power integrated module for 1100 V solar boost stage
App note from ON Semiconductors comparing the performance between SiC MOSFET and Silicon IGBT in a similar and compatible power modules. Link here (PDF) This application note compares the performance of two power integrated modules (PIMs) in the boost stage of an 1100 V solar inverter. One PIM used state−of−the−art silicon 1200 V IGBT (part […]
App note: Characteristics and driving recommendations of ON Semiconductor Gen 1 1200 V SiC MOSFETs & modules
App note from ON Semiconductors on their SiC MOSFET’s key characteristics and how to drive them. Link here (PDF) Silicon carbide (SiC) is part of the wide bandgap (WBG) family of semiconductor materials used to fabricate discrete power semiconductors. Conventional silicon (Si) MOSFETs have a bandgap energy of 1.12 eV compared to SiC MOSFETs possessing […]
App note: Power transistor safe operating area – special considerations for switching power supplies
App note from ON Semiconductors about less common transistors stresses when used on switching power supplies. Link here (PDF) The power transistor, in today’s switching power supply, exists in an environment which is quite hostile to semiconductors. Large currents, large voltages, high temperature, high frequency, and low impedance sources add up to something close to […]
App note: High current LED capacitive drop drive
Fairly old app note from ON Semiconductors on using capacitors to drive LEDs off AC mains. Link here (PDF) This application note describes the basics for powering high current light emitting diodes (LEDs) utilizing a capacitive divider circuit off the AC mains. A linear regulator is used to control the LED current in order to […]