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Updated at 17/06/2025 10:30:15(UTC+8)
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Description
- The UCD9248PFC is a multi-rail multi-phase 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 flash memory and a serial interface to support configurability, monitoring and management. 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, tracking and intelligent phase management to optimize for total system efficiency. Additionally, loop compensation and calibration are supported without the need to add external components. To facilitate configuring the device, the Texas Instruments Fusion Digital Power™ Designer is provided. This PC based Graphical User Interface offers an intuitive interface to the device.
- Up to 1mV closed loop resolution
- 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
- 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)
- 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
UCD9248PFC Specifications
| Attribute | Attribute Value |
|---|---|
| Datasheet | Datasheet |
| 3D Model | 3D Model |
| Mounting Style | Surface Mount |
| Number of Pins | 80 Pin |
| Case/Package | TQFP-80 |
| Frequency | 2 MHz |
| Supply Voltage (DC) | 3.00V (min) |
| Number of Outputs | 4 Output |
| Input Voltage (DC) | 3.60 V |
| Output Voltage | 3 V |
| Output Current | 6 mA |
| Number of Positions | 80 Position |
| Switching Frequency | 15.26kHz ~ 2000kHz |
| Operating Temperature (Max) | 125 ℃ |
| Operating Temperature (Min) | -40 ℃ |
| Supply Voltage | 3V ~ 3.6V |
| Supply Voltage (Max) | 3.6 V |
| Supply Voltage (Min) | 3 V |
| Input Voltage | 3.6 V |
| Show | |
| Size-Length | 12.2 mm |
| Size-Width | 12.2 mm |
| Size-Height | 1.05 mm |
| Operating Temperature | -40℃ ~ 125℃ |
| Product Lifecycle Status | Active |
| Packaging | Tray |
| RoHS | RoHS Compliant |
| Lead-Free Status | Lead Free |
| REACH SVHC Compliance | No SVHC |
| REACH SVHC Compliance Edition | 2014/12/17 |
| ECCN Code | EAR99 |
Order guide
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- Please confirm with the logistics company in advance for remote areas.
(Additional charges ($35-$50) may apply for delivery in these areas)
- 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
Contact Us
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