Power Electronics / Power Management


USB charger solution with high power density

24 November 2021 Power Electronics / Power Management

Diodes Incorporated has launched a three-chip solution for enhancing the performance of ultra-high-power-density USB Type-C power delivery (PD) systems. These products can be used in a wide variety of consumer electronics applications, including smartphone chargers and notebook adaptors.

The AP43771V USB Type-C PD decoder is compatible with PD3.0, PPS Rev 3.0, V1.2 (TID – 4305) and Qualcomm Quick Charge QC4/QC4+/QC5 (QC20201127203) protocols. It supports a 3,3 V to 24 V operating voltage range and incorporates both a one-time programmable (OTP) ROM for all the main firmware and a multi-time programmable (MTP) ROM to accommodate user configuration data.

With I2C and GPIO pins and built-in application firmware, the AP43771V backs various intelligent power management systems during charging states. These include smart power sharing among multiple charging ports, thermal power derating, LED light indication and fault indication.

The AP3306 is an active clamp flyback (ACF) controller that reaches elevated operational efficiency via zero voltage switching (ZVS) and magnetic energy recycling. It can be used with an integrated driver GaN FET, a cascade GaN FET, or a MOSFET serving as the main low-side switch. With integrated high-side ACF gate driver control, the chip supports leakage energy recycling circuitry via a reduced-current-capability high-side MOS switch. This high degree of integration and use of cost-effective components reduces bill-of-material (BOM) costs and board space.

The APR340 is a secondary-side synchronous rectification (SR) MOSFET driver optimised for use with the AP3306. It features a built-in pulse linear regulator and operates in constant current mode to safeguard the charging system. The system output voltage can go as low as 2 V, which is a significant benefit in programmable power supply applications.

The AP43771V is available in both W-DFN3030-14 and W-QFN4040-24 package options. The AP3306 is supplied in a SO-10 package format, while the APR340 comes in a SOT26 package.


Credit(s)



Share this article:
Share via emailShare via LinkedInPrint this page

Further reading:

RF agile transceiver
Altron Arrow Telecoms, Datacoms, Wireless, IoT
The AD9361 from Analog Devices is a high performance, highly integrated RF Agile Transceiver designed for use in 3G and 4G base station applications.

Read more...
Power MOSFET in a PowerFLAT package
Future Electronics Power Electronics / Power Management
The ST8L60N065DM9 from STMicroelectronics is a 600 V N-channel Super-Junction power MOSFET that offers excellent performance in a compact surface-mount package.

Read more...
Could the EU’s Cyber Resilience Act affect your electronics manufacturing business?
Altron Arrow Editor's Choice
South African companies exporting IoT devices to the European Union face a significant regulatory shift with the Cyber Resilience Act becoming mandatory in December 2027.

Read more...
Ultra-low-power Arm Cortex MCU with FPU
Altron Arrow DSP, Micros & Memory
STMicroelectronics expanded its STM32 ultra-low-power family with the launch of the STM32U3 for cost-sensitive applications in industrial, medical, and consumer electronics devices.

Read more...
Powering the future of embedded control
Altron Arrow Editor's Choice DSP, Micros & Memory
As the demand for intelligent, connected, and energy-efficient systems grows, embedded engineers are under pressure to design faster, smarter, and more secure products

Read more...
High-density planar power for mission-critical systems
NuVision Electronics Power Electronics / Power Management
Vishay’s SGTPL-28 family of planar transformers offer 150 W of output power from a 28 V input forward-converter architecture.

Read more...
Smart IMU for high/low-g acceleration
Altron Arrow Analogue, Mixed Signal, LSI
The ISM6HG256X is a 6-axis intelligent inertial measurement unit that enables smart motion sensing, edge computing, and real-time awareness.

Read more...
Microlens to increase solar panel efficiency
Power Electronics / Power Management
Researchers at the Fraunhofer ISE have recently developed a novel micro-concentrated photovoltaic module that achieves higher efficiency and reduced production costs.

Read more...
Rugged PSU for challenging conditions
Conical Technologies Power Electronics / Power Management
Built for rugged reliability, the Mibbo MFC Series delivers stable, efficient power in environments where moisture, dust, and temperature extremes are everyday challenges.

Read more...
How dispatchable power and grid readiness are redefining the global landscape
Power Electronics / Power Management
No longer defined by megawatt capacity alone, solar projects are now being evaluated on their ability to deliver dispatchable power, enhance grid stability, and provide critical ancillary services.

Read more...









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.




© Technews Publishing (Pty) Ltd | All Rights Reserved