Texas Instruments UCD9224
The UCD9224 is a multi-rail, multi-phase synchronous buck digital PWM controller designed for non-isolated DC/DC power applications. This device integrates dedicated circuitry for DC/DC loop management with flash memory and a serial interface to support configurability, monitoring and management. The UCD9224 was designed to provide a wide variety of desirable features for non-isolated DC/DC converter applications while minimizing the total system component count by reducing external circuits.| Part No. | UCD9224 |
|---|---|
| Datasheet | UCD9224 Download |
| Manufacturer |  Texas Instruments |
| Description | Digital PWM System Controller |
| Buy | Stock & Price |
FEATURES
1●2 Fully Configurable Multi-Output and MultiPhase Non-Isolated DC/DC PWM Controller
● Controls Up to 2 Voltage Rails and Up to 4 Phases
● Supports Switching Frequencies Up to 2MHz with 250 ps Duty-Cycle Resolution
● Up To 1mV Closed Loop Resolution
● Hardware-Accelerated, 3-Pole/3-Zero Compensator with Non-Linear Gain for Improved Transient Performance
● Supports Multiple Soft-Start and Soft-Stop Configurations Including Prebias Start-up
● Supports Voltage Tracking, Margining and Sequencing
● Supports Current and Temperature Balancing for Multi-Phase Power Stages
● Supports Phase Adding/Shedding for Multi-Phase Power Stages
● Sync In/Out Pins Align DPWM Clocks Between Multiple UCD92xx Devices
● 12-Bit Digital Monitoring of Power Supply Parameters Including: – Input/Output Current and Voltage – Temperature at Each Power Stage
● Multiple Levels of Over-current Fault Protection: – External Current Fault Inputs – Analog Comparators Monitor Current Sense Voltage – Current Continu...
