ON Semiconductor has introduced the NCP362, proclaiming it to be the industry’s first overvoltage protection (OVP) device with both integrated current protection and high-speed electrostatic discharge (ESD) protection for USB 2.0 applications in portable, telecom, consumer and computing systems. This integrated device improves safety of USB ports by streamlining design in portable electronics by eliminating the need for standalone OVP, over-current protection (OCP) and transient voltage suppressor (TVS) components that are normally necessary to protect vulnerable portable devices against electrical surge damage and electronic discharge from host, wall adapters, human body and unsuitable after-market AC-DC adapters.
The device, which is placed behind the USB or bottom connector, provides +20 V front end protection for the downstream USB port, thanks to an integrated power MOSFET that can handle 500 mA. Because long cables can induce ringing due to serial inductance in the USB cable, the NCP362 has been designed to open the VBUS line when the voltage transient exceeds the internal over-voltage threshold, which is internally set to 5,675 V. This threshold value can be changed by a metal tweak if a different value is needed for a specific application. In addition, OCP is available, opening the internal MOSFET if the downstream VBUS’s load exceeds 750 mA, supporting 500 mA continuously for the USB ports. This current clamp value can be also adjusted to a lower value to be compliant to 100 mA single or dual ports.
Both protections are very fast – at fewer than 100 nanoseconds – offering an efficient protection level for the downstream transceiver, battery charger devices or Lithium battery to be charged. In addition, the NCP362 offers system level IEC 61000-4-2 ±15 kV ESD protection. The part integrates high-speed ESD diodes for data lines (D+ and D-) and TVS for the VBUS pin of the USB ports. Due to the low capacitance of integrated ESD diodes (0,5 pF), this device is compliant with the USB 2.0 protocol.
More room to scale Altron Arrow
Power Electronics / Power Management
With the latest STM32H5 lines from STMicroelectronics, you can now scale within the same platform, from a compact 1 Mbyte device to higher-memory MCUs for graphics-rich and feature-heavy designs.
Read more...Multi-constellation GNSS module in a legacy-compatible footprint Altron Arrow
Telecoms, Datacoms, Wireless, IoT
Telit Cinterion has announced the SE869eK2L, a single-frequency L1 GNSS module designed to help device manufacturers upgrade legacy positioning designs with improved performance and cost efficiency, while preserving design continuity.
Read more...Compact SSI family for industrial automation Altron Arrow
Passive Components
Infineon Technologies has introduced the ISSI20BxxF Solid State Isolator (SSI) family, bringing solid-state isolation technology into high-volume applications traditionally served by photovoltaic isolators (PVIs), photovoltaic relays (PVRs), and electromechanical relays (EMRs).
Read more...Rev 2.0 PolarFire FPGA ethernet sensor bridge Altron Arrow
Computer/Embedded Technology
Smaller, multi-camera platform enables scalable Ethernet architectures for NVIDIA Edge AI systems, while lowering power, cost and integration complexity.
Read more...The effect of seasonal changes on ESD performance in South Africa Actum
Editor's Choice Circuit & System Protection Manufacturing / Production Technology, Hardware & Services
Electrostatic discharge performance is influenced by several environmental factors, with relative humidity being one of the most important. This is particularly relevant in South Africa, where seasonal changes can result in significant differences in humidity levels.
Read more...Universal IR receiver module Altron Arrow
Telecoms, Datacoms, Wireless, IoT
Vishay Intertechnology has introduced a new series of infrared (IR) receiver modules for IR remote control applications, which feature a wide modulation frequency acceptance from 30 kHz to 68 kHz.
Read more...Low profile SMD antenna Altron Arrow
Telecoms, Datacoms, Wireless, IoT
The Havok PCS.06.A antenna, from Taoglas, is a low profile SMD LTE/cellular 4G/3G/2G embedded antenna designed for direct SMD mount on a device PCB.
Read more...Accelerate development of physical AI deployments Altron Arrow
DSP, Micros & Memory
With Avocado OS now available on the HummingBoard RZ-V2N-
AIoT and SolidSense AIoT V2N from SolidRun, teams can move from prototype to deployed fleet in weeks.
Read more...Universal NFC device Altron Arrow
DSP, Micros & Memory
Delivering high-end performance in a compact 4 x 4 mm package, the multipurpose NFC reader from ST Microelectronics, enables the convenience of contactless interaction and features for various end applications.
Read more...Compact direct Time-of-Flight 3D LiDAR module Altron Arrow
AI & ML DSP, Micros & Memory
The VL53L9 from STMicroelectronics is the first direct Time-of-Flight (dToF) 3D LiDAR all-in-one module in ST’s portfolio, offering a resolution of 2,3K zones, wide field of view, on-chip processing, 100 frames per second, and sensing range from 5 centimeters to 9 meters.
While every effort has been made to ensure the accuracy of the information contained herein, the publisher and its agents cannot be held responsible for any errors contained, or any loss incurred as a result. Articles published do not necessarily reflect the views of the publishers. The editor reserves the right to alter or cut copy. Articles submitted are deemed to have been cleared for publication. Advertisements and company contact details are published as provided by the advertiser. Technews Publishing (Pty) Ltd cannot be held responsible for the accuracy or veracity of supplied material.
printer friendly version