Overview
The NCV81599MWTXG, produced by onsemi, is a USB Power Delivery (PD) 4-Switch Buck Boost Controller. This synchronous buck boost controller is optimized for converting battery voltage or adapter voltage into power supply rails required in various consumer devices, including notebooks, tablets, and desktop systems. It is fully compliant with the USB Power Delivery Specification when used in conjunction with a USB PD or C-Type Interface Controller. The controller supports dynamic slew rate limited output voltage, making it suitable for applications requiring voltage higher or lower than the input voltage.
Key Specifications
| Parameter | Symbol | Min | Max | Units | |
|---|---|---|---|---|---|
| V1 Operating Input Voltage | V1 | 4.5 | - | 32 | V |
| VDRV Operating Input Voltage | VDRV | 4.5 | 5 | 5.5 | V |
| VCCD Operating Input Voltage | VCCD | 4.5 | 5 | 5.5 | V |
| Oscillator Frequency | FSW | 150 kHz | - | 1.2 MHz | - |
| Minimum On Time | MOT | 100 ns | - | - | - |
| Thermal Shutdown Threshold | TSD | - | - | 151°C | - |
| Package Type | - | - | - | 5 x 5 mm QFN32 | - |
Key Features
- Wide Input Voltage Range: 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 for USB PD, QC2.0, and QC3.0 Profiles
- 2 Independent Current Sensing Inputs
- Over Temperature Protection
- Adaptive Non-Overlap Gate Drivers
- Audible Range Switching Frequency Avoidance
- Over-Voltage and Over-Current Protection
- AEC-Q100 Qualified
Applications
- Automotive USB Charging Ports
- Wireless Charging
- Consumer Electronics
- Notebook, Tablet, and Desktop Systems
Q & A
- What is the primary function of the NCV81599MWTXG?
The NCV81599MWTXG is a USB Power Delivery 4-Switch Buck Boost Controller designed to convert battery or adapter voltage into power supply rails for various consumer devices.
- What is the input voltage range of the NCV81599MWTXG?
The input voltage range is from 4.5 V to 32 V.
- What communication interface does the NCV81599MWTXG use?
The controller uses an I2C interface.
- Does the NCV81599MWTXG support multiple current sensing inputs?
- What are the thermal protection features of the NCV81599MWTXG?
The controller includes over temperature protection with a thermal shutdown threshold of 151°C.
- Is the NCV81599MWTXG qualified for automotive applications?
- What is the package type of the NCV81599MWTXG?
The package type is 5 x 5 mm QFN32.
- Does the NCV81599MWTXG support different output voltage profiles?
- How does the NCV81599MWTXG handle switching between buck and boost modes?
The controller can switch between buck and boost modes smoothly based on the COMP signal from peak current regulation.
- What are some typical applications of the NCV81599MWTXG?
Typical applications include automotive USB charging ports, wireless charging, and consumer electronics such as notebooks, tablets, and desktop systems.
