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.
Diodes APK43070Q single-chip USB PD controller for automotive charging
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