Overview
The NCP13992AGDR2G, produced by onsemi, is a high-performance current mode controller designed for half-bridge resonant converters. This controller is integrated with 600 V gate drivers, which simplifies the layout and reduces the external component count. It features a built-in Brown-Out input function, making it easier to implement in various applications. The NCP13992AGDR2G also includes a dedicated output to drive the PFC (Power Factor Correction) controller, enhancing light load efficiency through quiet skip mode techniques.
Key Specifications
| Parameter | Unit | Typical | Minimum | Maximum |
|---|---|---|---|---|
| VCC Turn-on Threshold | V | 15.3 | 11.5 | 16.3 |
| VCC Minimum Operating Voltage | V | 9.5 | 9.0 | 10.0 |
| VCC Reset Level | V | 6.6 | 5.8 | 7.2 |
| Controller Supply Current in Skip Mode | μA | 550 | 500 | 600 |
| Maximum Dead-Time Value | ns | 720 | 120 | 800 |
| Brown-Out Turn-Off Threshold | V | 1.000 | 0.965 | 1.035 |
| Operating Frequency Range | kHz | 20 kHz to 750 kHz | - | - |
Key Features
- High-frequency operation from 20 kHz up to 750 kHz
- Integrated 600 V gate drivers for simplified layout and reduced external component count
- Built-in Brown-Out input function for easy implementation
- Dedicated output to drive the PFC controller for enhanced light load efficiency
- Quiet skip mode technique for improved efficiency
- Comprehensive protection features including overload protection, over-current protection, brown-out detection, open optocoupler detection, automatic dead-time adjustment, over-voltage (OVP), and over-temperature (OTP) protections
- Soft-start and auto-recovery mechanisms for stable operation
Applications
- Half-bridge resonant converters
- Power supplies requiring high efficiency and reliability
- Systems needing integrated PFC and resonant converter control
- Industrial power supplies
- Telecom and datacom power systems
- Consumer electronics with high power requirements
Q & A
- What is the operating frequency range of the NCP13992AGDR2G?
The NCP13992AGDR2G operates from 20 kHz up to 750 kHz.
- What are the integrated gate drivers' voltage ratings?
The integrated gate drivers are rated for 600 V.
- What is the purpose of the Brown-Out input function?
The Brown-Out input function eases the implementation of the controller in various applications by detecting low input voltage conditions.
- How does the quiet skip mode technique improve efficiency?
The quiet skip mode technique improves light load efficiency by reducing switching losses during low load conditions.
- What protection features are included in the NCP13992AGDR2G?
The controller includes overload protection, over-current protection, brown-out detection, open optocoupler detection, automatic dead-time adjustment, over-voltage (OVP), and over-temperature (OTP) protections.
- What is the typical VCC turn-on threshold voltage?
The typical VCC turn-on threshold voltage is 15.3 V.
- What is the minimum operating voltage after turn-on?
The minimum operating voltage after turn-on is 9.0 V.
- What is the maximum dead-time value?
The maximum dead-time value is 720 ns.
- What is the brown-out turn-off threshold voltage?
The brown-out turn-off threshold voltage is 1.000 V.
- In which applications is the NCP13992AGDR2G commonly used?
The NCP13992AGDR2G is commonly used in half-bridge resonant converters, industrial power supplies, telecom and datacom power systems, and consumer electronics with high power requirements.
