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Updated at 17/06/2025 10:30:15(UTC+8)
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Description
- The UCD9222RGZT is a two-rail synchronous buck digital Pulse Width Modulation (PWM) Controller designed for non-isolated DC/DC power applications. This device integrates dedicated circuitry for DC/DC loop management with support for up to two VID interfaces. Additionally, it has flash memory and a serial interface to support configurability, monitoring and management. Several Voltage Identification (VID) modes are supported, including a 4-bit parallel interface, a 6-bit interface and a 8-bit serial interface. It is 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. The solution integrates multi-loop management with sequencing, margining and tracking to optimize for total system efficiency. Additionally, loop compensation and calibration are supported without the need to add external components.
- Fully configurable two-output non-isolated DC/DC
- Duty-cycle resolution
- Up to 1mV closed loop resolution
- Supports multiple soft-start and soft-stop configurations including prebias start-up
- Supports voltage margining and sequencing
- Auxiliary ADC inputs
- Multiple levels of over-current fault protection
- External current fault inputs
- Analog comparators monitor current sense voltage
- Current continually digitally monitored
- Over and under-voltage fault protection
- Over-temperature fault protection
- Enhanced nonvolatile memory with error correction code (ECC)
- Device operates from a single supply with an internal regulator
- Controller that allows operation over a wide supply voltage range
- Supported by Fusion Digital Power™ designer, a full featured
- PC based design tool to simulate, configure and monitor power supply performance
- Green product and no Sb/Br
UCD9222RGZT Specifications
| Attribute | Attribute Value |
|---|---|
| Datasheet | Datasheet |
| 3D Model | 3D Model |
| Mounting Style | Surface Mount |
| Number of Pins | 48 Pin |
| Case/Package | VQFN-48 |
| Frequency | 2 MHz |
| Supply Voltage (DC) | 3.00V (min) |
| Number of Outputs | 2 Output |
| Number of Positions | 48 Position |
| Switching Frequency | 15.26kHz ~ 2MHz |
| Duty Cycle | 100 % |
| Maximum Duty Cycle | 1 |
| Operating Temperature (Max) | 125 ℃ |
| Operating Temperature (Min) | -40 ℃ |
| Supply Voltage | 3V ~ 3.6V |
| Supply Voltage (Max) | 3.6 V |
| Supply Voltage (Min) | 3 V |
| Show | |
| Size-Height | 0.95 mm |
| Operating Temperature | -40℃ ~ 125℃ |
| Product Lifecycle Status | Active |
| Packaging | Tape & Reel (TR) |
| RoHS | RoHS Compliant |
| Lead-Free Status | Lead Free |
| REACH SVHC Compliance | No SVHC |
| ECCN Code | EAR99 |
Order guide
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- Delivery date: usually 2 to 7 working days.
- A tracking number will be sent after your order ships.
- - Carefully inspected and packed by ManyChip warehouse - Vacuum packaging - Anti-static packaging - Shockproof foam
- The terms here are for reference only, the actual terms are subject to the sales quotation. - Please confirm product specifications when ordering. - MOQ refers to the minimum order quantity required to purchase each part. - If you have special ordering instructions, please indicate them on the ordering page. - Inspection (PSI) will be performed prior to shipment.
- - Income Quality Control (IQC), 1000+ qualified dealers. - Chips are tested by authoritative organizations to ensure the quality, authenticity and safety of your device. - Decapsulation control - X-ray control - XRF inspection - Electrical testing - Surface testing -Digital components warehouse, covering an area of 800 square meters, with constant temperature and humidity
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