Details, datasheet, quote on part number: R-REF01-HB
PartR-REF01-HB
Category
TitleGATE DRIVER POWER SUPPLY REFEREN
Description
CompanyRecom Power
DatasheetDownload R-REF01-HB datasheet
  
R-REF01-HB photo

 

Features, Applications
Features
Description

Half-bridge voltage to 1kV TTL-compatible signal input Single to 42V supply Shoot-through protection Separate input for low and high-side switch for use with different topologies

The Half-Bridge Gate-Drive Power Supply Reference Design (RD) consists of a half-bridge suitable for voltages to 1kV and a fully-isolated driver stage with isolated power supplies for the low-side and the high-side switching transistors. It is suitable for single gate/drive supply voltages as low +4V as well as dual gate drive supply voltages as high -5V (30V max) with no maximum duty cycle limitations. Two R12P21503D, R12P21509D and R12P06S DC/DC moduels each are included in the R-REF01-HB design kit. NOTE: transistors sold separately. The signal ground is galvanically isolated from the power ground and can be connected to any potential, as long it is less than 2.5kV with respect to the power potential (high-side and low-side). The limiting element is the gate driver IC specification. Features: Optimized for very high switching speed 2.5kV continuous input to output isolation High gate-drive currents (up to 10A source and sink) The RD is fitted with a SI8273 gate driver, but can be used with any pin-compatible gate driver with a PWM input (SI8274) or for gate driver ICs with reinforced isolation, for example the UCC21520 (dual pinout layout on PCB).

This RD can easily be configured for the following topologies (see application suggestions section): LLC half-bridge Asymmetric duty cycle half-bridge (forward and flyback) Active clamp half-bridge (forward and flyback) Full-bridge / phase-shifted full-bridge 3-phase B6 bridge NPC B6 bridge (additional driving circuit for NPC is required) Double pulse test Synchronous boost converter Synchronous buck converter

This board is designed to be used with voltages to 1kV, only qualified personnel should work with this board. Direct contact with hazardous voltage can cause injury or death! Never leave the board operating unattended. After removing the high voltage from the board, discharge the capacitors with a suitable discharging resistor to avoid electrical shock! Caution: This reference design is built with ESD (electrostatic discharge) sensitive components. Always follow ESD prevention procedures when handling the product to avoid failures!

Specifications (measured at Ta= 25░C, 1.5Vin, full load after warm up unless otherwise stated)

Parameter Input Voltage Con1 Input Voltage Con2 Con3 Digital U1, U2, Enable Logic High Input Threshold Logic Low Input Threshold Input Hysteresis Maximum Ratings Driver Section Source and Sink Current (max) Total Drive Voltage Propagation Delay Rise and Fall Times Isolation Voltage input to output 2.5kVDC positive and negative system before gate resistors 400mV 5.5V limited by C10 Condition Min. 2V 0.8V Typ. Max. 1000V 5.5V


Part T1 T2 Note: U1 U2 Description DC/DC isolated converter for high-side gate-driver. Depending on the transistor type, fit the appropriate DC/DC converter (please refer to pages to P-12). DC/DC isolated converter for low-side gate-driver. Depending on the transistor type, fit the appropriate DC/DC converter (see table 1). High-side switching transistor (not supplied). Read important notice below. Low-side switch transistor (not supplied). Read important notice below. The transistors are placed on the edge of the PCB so that they are easy to mount to a heatsink. They can also be mounted inverted on the bottom side of the PCB. Both TO247-3L and TO247-4L format transistors can be used by using the appropriate hole set. Connector for logic and driver supply. Connect 36V DC supply here. +V bridge voltage: connect a positive voltage 1kV in respect to power-GND to this connector. -V bridge voltage: power-GND Enable: a high signal enables the driver signals. Place the jumper on the connector to enable the signals permanently Switching node of the half-bridge Signal high-side: TTL-compatible input for the high-side transistor Signal low-side: TTL-compatible input for the low-side transistor

Following DC/DC models are suitable for use with this reference design

Table 1 Model R12P06S* R12P12S Power [W] Output Voltage [V] Application SiC MOSFETs SiC MOSFETs IGBTs GaN Cascode/Si MOSFET

*these models are included in the reference design. Each of them two times
Input U1 U2 Enable High-side Gate Output Low-side Gate Invalid state Device is disabled

 

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