Overview
The NCP51530BDR2G, produced by onsemi, is a high-performance, high and low side gate driver designed for use in AC-DC power supplies, inverters, and various other high-frequency applications. This device is part of the NCP51530 series and is known for its exceptional propagation delay, low quiescent current, and high efficiency. It is available in two versions, NCP51530A and NCP51530B, with the latter offering a faster propagation delay of 25 ns compared to the 60 ns of the NCP51530A. The NCP51530BDR2G comes in SOIC-8 and DFN10 packages, ensuring compatibility with industry-standard half-bridge ICs and offering improved creepage and exposed pad applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range (VCC) | -0.3 to 20 | V |
| High Side Boot Pin Voltage (VB) | -0.3 to 720 | V |
| High Side Floating Voltage (VB-VHB) | -0.3 to 20 | V |
| Drive Source Current (Typical) | 3.5 | A |
| Drive Sink Current (Typical) | 3 | A |
| Propagation Delay (Typical) - NCP51530B | 25 | ns |
| Rise Time (Maximum) | 15 | ns |
| Fall Time (Maximum) | 15 | ns |
| Input Logic Compatibility | 3.3 V and 5 V | - |
| Package Type | SOIC-8, DFN10 | - |
| Junction Temperature (TJ) | -55 to 150 | °C |
Key Features
- High voltage range up to 700 V
- Fast propagation delay: 25 ns for NCP51530B and 60 ns for NCP51530A
- Low quiescent and operating currents
- 3.5 A source and 3 A sink current drive capability
- Under-voltage lockout for both high and low side drivers
- 3.3 V and 5 V input logic compatibility
- High dv/dt immunity up to 50 V/ns
- Pin to pin compatible with industry standard half-bridge ICs
- Matched propagation delay (7 ns maximum)
- High negative transient immunity on bridge pin
- DFN10 package offers improved creepage and exposed pad applications
Applications
- High-density SMPS for servers, telecom, and industrial applications
- Half/Full-bridge and LLC converters
- Active clamp flyback/forward converters
- Solar inverters and motor controls
- Electric power steering
- DC-DC power supplies
- Automotive systems
- Industrial controls
- Lighting
- Networking equipment and telecommunications systems
- Consumer electronics
Q & A
- What is the NCP51530BDR2G used for?
The NCP51530BDR2G is a high and low side gate driver used in AC-DC power supplies, inverters, and other high-frequency applications.
- What are the propagation delays for NCP51530A and NCP51530B?
The NCP51530A has a typical propagation delay of 60 ns, while the NCP51530B has a typical propagation delay of 25 ns.
- What are the current drive capabilities of the NCP51530BDR2G?
The device can source 3.5 A and sink 3 A of current.
- What is the input logic compatibility of the NCP51530BDR2G?
The device is compatible with 3.3 V and 5 V input logic signals.
- What are the package options for the NCP51530BDR2G?
The device is available in SOIC-8 and DFN10 packages.
- What is the junction temperature range for the NCP51530BDR2G?
The junction temperature range is from -55°C to 150°C.
- Does the NCP51530BDR2G have under-voltage lockout protection?
Yes, the device has under-voltage lockout protection for both high and low side drivers.
- What is the dv/dt immunity of the NCP51530BDR2G?
The device has high dv/dt immunity up to 50 V/ns.
- Is the NCP51530BDR2G pin to pin compatible with industry standard half-bridge ICs?
Yes, the SOIC-8 package is pin to pin compatible with industry standard half-bridge ICs.
- What are some common applications of the NCP51530BDR2G?
Common applications include high-density SMPS, half/full-bridge converters, solar inverters, motor controls, and automotive systems.
