onsemi NCP51752 Isolated Single Channel Gate Drivers
onsemi NCP51752 Isolated Single Channel Gate Drivers are designed for fast switching to drive power MOSFETs and SiC MOSFET power switches. NCP51752 offers a 4.5A source/9A sink peak currents and short/matched propagation delays. For improved reliability, dV/dt immunity, and faster turn-off, the NCP51752 has an innovative embedded negative bias rail mechanism. The onsemi drivers offer other essential protection functions, such as independent under-voltage lockout for both side drivers. The VCC UVLO threshold is referenced to GND2 for true UVLO regardless of VEE level. The NCP51752 is available in a 4mm SOIC-8 package and can support isolation voltages up to 3.75kVRMS.
Features
- Options
- VCC UVLO referenced to GND2
- Built-in negative bias between GND2 and VEE pins
- Selectable negative bias levels via trim
- 3V to 20V input supply voltage
- Output supply voltage from 6.5V to 30V with 6V and 8V for MOSFET, 12V and 17V for SiC, threshold
- 4.5A peak source, 9A peak sink output current capability
- Minimum CMTI of 200V/ns dV/dt
- Negative 5V handling capability on input pins
- 36ns typical propagation delay with 5ns maximum delay matching
- Isolation and safety
- 3.75kVRMS isolation for 1 minute (per UL1577 requirements) (planned)
- CQC certification per GB4943.1-2011 (planned)
- SGS FIMO certification per IEC 62386-1 (planned)
Applications
- Motor drives
- Isolated converters in DC-DC and AC-DC power supplies
- Server, telecom, and industrial infrastructures
- UPS and solar inverters
Typical Application Circuit
Simplified Block Diagram
發佈日期: 2024-05-03
| 更新日期: 2024-07-31