Power Integrations’ CAPZero family of two-terminal, automatic X-capacitor discharge ICs has been certified to meet IEC 62368, the new over-arching safety standard covering TVs and IT equipment. The new standard replaces IEC 60950 and IEC 60065 and will become mandatory.
CAPZero ICs are smart, high-voltage switches that are placed in series with the resistors used to provide a safe discharge path for a power supply’s X capacitor. Without this switching mechanism, these discharge resistors cause a constant power drain while AC is connected and therefore contribute significantly to no-load and standby input power consumption.
These devices block current flow to the discharge resistors when AC voltage is applied, cutting the power wasted in these components to zero. When the AC voltage is disconnected, CAPZero automatically and safely discharges the X capacitor by closing the circuit and directing the energy away from the exposed AC plug.
This solution requires minimal modification to system or printed circuit board layout, and allows engineers flexibility in their choice of the X capacitor used, optimising differential-mode EMI filtering and providing a highly cost-effective option for designers optimising no-load consumption, power factor and EMI.
CAPZero ICs can be used before or after the system input fuse, as they inherently meet international safety standards for all open- and short-circuit fault tests. Devices are suitable for all AC-DC converters with X capacitors, and are available with 825 V or 1000 V MOSFETs to support a variety of power supply design needs. Applications include PCs, servers/workstations, monitors and TVs, printers and notebooks, appliances requiring ErP Lot 6 compliance, and adaptors requiring ultra-low no-load consumption.
Clearing the Static: Understanding the significance of ESD audits Actum Electronics
Circuit & System Protection
An ESD (Electrostatic Discharge) audit is the first step in establishing an ESD plan, and it is important to include all areas where ESD-sensitive components are being handled.
Read more...Microchip introduces ECC608 TrustMANAGER Altron Arrow
Circuit & System Protection
To increase security on IoT products and facilitate easier setup and management, Microchip Technology has added the ECC608 TrustMANAGER with Kudelski IoT keySTREAM, Software as a Service (SaaS) to its Trust Platform portfolio of devices, services and tools.
Read more...Varistors for automotive applications Future Electronics
Circuit & System Protection
TDK Corporation has announced the addition of two new varistors to its AVRH series for automotive applications where both are characterised by the high electrostatic discharge-withstanding voltage demanded to ensure the safe operation of safety-critical automotive functions.
Read more...Single-phase EMC filters RS South Africa
Circuit & System Protection
TDK Corporation has expanded its portfolio of single-phase EMC filters for AC and DC applications up to 250 V and rated currents from 6 to 30 A.
Read more...Clearing the Static: ESD protective packaging Actum Group
Circuit & System Protection
The primary objective of ESD protective packaging is to prevent ESD incidents within the packaging and facilitate the dissipation of charges from the outer surface.
Read more...New NeoMesh protocol stack version CST Electronics
Circuit & System Protection
NeoCortec has released an updated NeoMesh protocol stack version 1.6 firmware for its NC2400 and NC1000 module series, which now supports the new Sensirion SHT4xA temperature and humidity sensor series.
Read more...NewFeed feeder protection relay NewElec Pretoria
Circuit & System Protection
The NewFeed Feeder Protection Relay has been designed to protect the connection between solar farms and conventional power grids in both low voltage (LV) and medium voltage (MV) distribution settings.