Product Descriptions
The NCP81239 USB Power Delivery (PD) Controller is a synchronous buck boost that is optimized for converting battery voltage or adaptor voltage into power supply rails required in notebook, tablet, and desktop systems, as well as many other consumer devices using USB PD standard and C?Type cables. The NCP81239 is fully compliant to the USB Power Delivery Specification when used in conjunction with a USB PD or C?Type Interface Controller. NCP81239 is designed for applications requiring dynamically controlled slew rate limited output voltage that require either voltage higher or lower than the input voltage. The NCP81239 drives 4 NMOSFET switches, allowing it to buck or boost and support the functions specified in the USB Power Delivery Specification which is suitable for all USB PD applications. The USB PD Buck Boost Controller operates with a supply and load range of 4.5 V to 32 V. NCP81239A is functionally same as NCP81239 except with different I2C address.
Product Features
? Wide Input Voltage Range: from 4.5 V to 32 V
? Dynamically Programmed Frequency from 150 kHz to 1.2 MHz
? I2C Interface
? Real Time Power Good Indication
? Controlled Slew Rate Voltage Transitioning
? Feedback Pin with Internally Programmed Reference
? Support USBPD/QC2.0/QC3.0 Profile
? 2 Independent Current Sensing Inputs
? Over Temperature Protection
? Adaptive Non?Overlap Gate Drivers
? Filter Capacitor Switch Control
? Over?Voltage and Over?Current Protection
? Dead Battery Power Support
? 5 x 5 mm QFN32 Package
Product Applications
? Notebooks, Tablets, Desktops
? All in Ones
? Monitors, TV s, and Set Top Boxes
? Consumer Electronics
? Car Chargers
? Docking Stations
? Power Banks
Specifications
| ANSM-Part# | NCP81239MNTXG |
| category | Integrated Circuit (IC) |
| PMIC - Voltage Regulator - DC DC Switch Mode Controller | |
| manufacturer | all of them |
| series | - |
| Package | Tape and Reel (TR) |
| Shear Band (CT) | |
| Product Status | Not available for new designs |
| output type | PWM signal |
| Function | step up, step down |
| output configuration | just |
| topology | buck, boost |
| Number of outputs | 1 |
| output stage | 4 |
| Voltage - Power Supply (Vcc/Vdd) | 4.5V ~ 28V |
| Frequency - switch | 150kHz ~ 1.2MHz |
| Duty Cycle (Max) | - |
| Synchronous Rectifier | - |
| Clock synchronization | Yes |
| serial interface | I2C |
| Control characteristics | Current Limit, Enable, Frequency Control, On-Time Control, Ramp, Soft Start |
| Operating temperature | -40°C ~ 100°C (TA) |
| installation type | Surface Mount Type |
| Package/Enclosure | 32-VFQFN Exposed Pad |
| Supplier Device Packaging | 32-QFN(5x5) |
| Basic product number | NCP81239 |
Actual product photos
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Official Certificate&Certificate
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