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Diodes Incorporated Launches Single-Chip USB PD Controller for Automotive Charging

Diodes Incorporated has introduced the APK43070Q, a highly integrated single-chip solution combining a synchronous buck controller with a USB Type-C PD3.1 source controller. Designed specifically for automotive applications, it simplifies the design of high-power USB charging ports while reducing component count and board space.

Key Features

• Integrated synchronous buck controller + USB PD 3.1 source controller
• Wide input voltage range: 4 V to 36 V
• Supports up to 140 W charging power (USB PD3.1 EPR)
• Adjustable output voltage up to 28 V
• I2C interface for multi-port control (up to 8 ports)
• Comprehensive protection features including OVP, OCP, UVP, OTP
• AEC-Q100 qualified for automotive use

The device supports USB PD3.1 Extended Power Range (EPR) and Programmable Power Supply (PPS) modes, enabling efficient high-power charging for modern electric vehicles and connected cars.

Target Applications

• Automotive USB Type-C charging ports
• Multi-port vehicle charging systems
• Rear-seat entertainment systems
• Electric vehicle accessory power

By integrating multiple functions into one chip, the APK43070Q significantly reduces BOM cost, simplifies PCB layout, and improves overall system reliability in demanding automotive environments.

Source:  Electronics For You