Digital Point of Load System Controller 80-TQFP -40 to 125 The UCD9240PFC is a digital power supply controller manufactured by Texas Instruments (TI). Here are its key specifications, descriptions, and features:
### **Specifications:**
- **Input Voltage Range:** Supports wide input voltage ranges for PFC applications.
- **Output Voltage Range:** Configurable for various power supply designs.
- **Number of Output Rails:** Supports up to 4 independent voltage rails.
- **Switching Frequency:** Programmable up to 2 MHz.
- **Communication Interface:** PMBus™ compliant for digital control and monitoring.
- **Control Method:** Digital pulse-width modulation (PWM) with adaptive compensation.
- **Operating Temperature Range:** -40°C to +125°C.
- **Package:** 64-pin QFN (Quad Flat No-Lead).
### **Descriptions:**
The UCD9240PFC is a fully configurable, multi-rail, multi-phase synchronous buck digital PWM controller. It integrates a 32-bit digital signal processor (DSP) for advanced power conversion control. It is designed for high-efficiency power factor correction (PFC) and DC/DC power supply applications.
### **Features:**
- **Digital Control Loop:** Enables real-time adaptive compensation for improved transient response.
- **Multi-Rail Management:** Supports up to 4 independent voltage rails with sequencing and margining.
- **PMBus™ Compliance:** Allows for system-level monitoring and configuration.
- **Non-Volatile Memory (NVM):** Stores configuration settings for quick startup.
- **Fault Protection:** Includes overvoltage (OVP), undervoltage (UVP), overcurrent (OCP), and overtemperature (OTP) protection.
- **GUI Support:** Compatible with TI’s Fusion Digital Power Designer for easy configuration.
- **High Resolution PWM:** 250 ps duty-cycle resolution for precise power control.
This information is sourced from Texas Instruments' official documentation on the UCD9240PFC.
