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Diodes' overall solution for ultra-high power density chargers offers higher efficiency and less space

Aug 4 2022 2022-08 Power Diodes Incorporated
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Diodes introduced a three chip solution to improve the performance of the ultra-high power density USB Type-C power delivery (PD) system. The solution products can be applied to a variety of consumer electronic products such as smart phone chargers and notebook computer transformers.

     Diodes has launched a three-chip solution to improve the performance of ultra-high power density USB Type-C power delivery (PD) systems. The solution products are suitable for a variety of consumer electronics applications such as smartphone chargers and laptop transformers.


     AP43771V USB Type-C PD decoder compatible with PD3.0, PPS Rev 3.0, V1.2 (TID-4305) and Qualcomm Quick Charge QC4/QC4+/QC5 (QC20201127203) And many other communication protocols. The product supports 3.3V to 24V operating voltages and can be used with single write (OTP) ROM and multiple write (MTP) ROM of all main components to store user set data.

 

    Under charge, the AP43771V supports various intelligent power management systems, such as intelligent power sharing among multiple charging ports, thermal power derating, LED indicator and fault indication, through I2C and GPIO pins and built-in application hardware.

 

     The AP3306 is an active clamp ride back (ACF) controller with zero voltage switching (ZVS) and magnetic energy recovery for better operation efficiency. The product can be used in conjunction with an integrated driver GaN FET, a Cascode GaN FET, or a MOSFET as the primary low-voltage side switter. AP3306 integrates the high-voltage side AFC gate driver control function, and forms a leakage energy recovery circuit by using the high-voltage side MOS Switzer with current capacity limitation. This highly integrated and cost-effective component can effectively reduce the total material (BOM) cost and save board space.

 

     The APR340 is a secondary side synchronous rectifier (SR) MOSFET driver optimized for use with the AP3306. The product has a built-in pulse linear regulator and operates in constant current (CC) mode to protect the charging system. The system can output as low as 2V voltage, which is of great help to the product application of programmable power supply (PPS).AP43771V is available in two package types: W-DFN3030-14 and W-QFN4040-24. The AP3306 is packaged as SO-10 and the APR340 as SOT26.

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