With the popularity of fast charging, chargers for mobile phones and other devices are now more than 100 watts. Now we introduce a power supply solution with small size, low standby power consumption and wide voltage input. Using NXP's TEA2016/7 as the switching power supply of t

2024/04/2722:48:32 digitals 1974

With the popularity of fast charging, chargers for mobile phones and other devices are now more than 100 watts.

now introduces a power supply solution with small size, low standby power consumption and wide voltage input.

is an switching power supply with TEA2016/7 of NXP as the controller. The demo board size is 6.5cm*5.5cm*2.2cm

TEA2017AAT is a digitally configurable LLC and PFC combination controller for efficient resonant power supply. It includes LLC and PFC controller functions. The PFC can be configured to operate at DCM/QR, CCM fixed frequency, or multi-mode supporting all operating modes to optimize PFC efficiency. TEA2017AAT can build a complete resonant power supply with simple power supply design and low number of components. TEA2017AAT is available in a small narrow SO16 package.

TEA2017AAT digital architecture is based on high-speed configurable hardware state machine to ensure reliability and real-time performance. During power supply development, various operating and protection settings for LLC and PFC controllers can be adjusted to meet specific application requirements by loading new settings into the device. The proprietary TEA2017AAT configuration content cannot be copied without authorization, and configuration security is guaranteed.

Compared with traditional resonant topology, TEA2017AAT exhibits very high efficiency at low loads due to its LLC low power consumption mode. This mode operates in the power region between continuous switching (also called high-power mode) and intermittent mode.

TEA2016/7 Key function introduction

✓ Package SO-16, many functions are software settings, with very few external originals. Software settings also facilitate development and design.

✓ The maximum frequency of PFC and LLC can be set through software. TE2016 PFC can be up to 500kHz, TEA2017 can be up to 250kHz, LLC can be up to 1MHz, which can greatly increase the PCB size.

✓ PFC has a valley check and can work in quasi-resonant mode, LLC Achieving zero-voltage turn-on can greatly improve overall efficiency.

✓ With input undervoltage and overvoltage protection

✓ PFC second-level overvoltage protection

✓ TEA2016 PFC working mode DCM/QR

✓ TEA2017 PFC working mode DCM/QR/CCM

✓ X-cap discharge function✓ Standby power consumption can be met Below 75mW

✓ Can support DC input

✓ TEA2017 PF can reach more than 0.98 at high and low, THD can be within 10%

Attached is also the schematic diagram of the 150W gallium nitride power supply

150W gallium nitride efficiency

This solution is roughly introduced here in detail. Please go to the official website for information.

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