The Richtek RT5795AGQW(2) is a highly integrated and efficient power management IC (PMIC) designed for USB Power Delivery (PD) applications. It's optimized for charging portable devices and powering USB-C peripherals. This PMIC supports various charging protocols and offers robust protection features.
Applications:
- USB-C Chargers: Powering wall adapters and chargers for smartphones, tablets, and laptops.
- Power Banks: Implementing USB PD charging and discharging in power banks.
- USB-C Hubs and Docks: Providing power delivery and management for USB-C hubs and docking stations.
- Portable Devices: Integrating USB PD charging into smartphones, tablets, and other portable devices.
- Automotive USB Chargers: Implementing USB PD charging in car chargers.
Features:
- USB Power Delivery (PD) Support: Compliant with USB PD 3.0 and Programmable Power Supply (PPS) specifications.
- Integrated Buck-Boost Converter: Enables efficient power conversion over a wide input voltage range.
- Dynamic Power Path Management (DPPM): Optimizes power delivery to the load and battery.
- Integrated USB-C Port Controller: Handles USB-C port detection and configuration.
- Over-Voltage Protection (OVP): Protects the device from damage due to over-voltage conditions.
- Over-Current Protection (OCP): Protects the device from damage due to excessive current.
- Over-Temperature Protection (OTP): Protects the device from overheating.
Benefits:
- Fast Charging: Supports USB PD fast charging protocols for quicker charging times.
- High Efficiency: Integrated buck-boost converter maximizes power efficiency.
- Reduced Component Count: Integrated features minimize the need for external components.
- Robust Protection: Protection features prevent damage and ensure stable operation.
- Flexible Configuration: Programmable parameters allow for customization to different applications.
Additional Details:
The RT5795AGQW(2) typically supports programmable output voltages and currents, allowing for flexible charging profiles. DPPM ensures that the load receives power even when the battery is charging or discharging. The integrated USB-C port controller simplifies the implementation of USB-C functionality. The device is packaged in a small QFN or similar package. Datasheets provide detailed information on supported USB PD protocols, output voltage and current ranges, and protection thresholds.