Texas Instruments HV Resonant LLC Developer’s Kit TMDSHVRESLLCKIT TMDSHVRESLLCKIT 데이터 시트
제품 코드
TMDSHVRESLLCKIT
DC
Input
DC/DC
Stage
Load
Hardware Overview
The board can accept any of the C2000™ series controlCARDs. A F28027 control card is shipped with the
kit. Software changes may be necessary so that the board will work with a different controlCARD. All
features may not be supported by all controlCARDs.
kit. Software changes may be necessary so that the board will work with a different controlCARD. All
features may not be supported by all controlCARDs.
1.2
Kit Features
The kit has the following features:
•
Isolated power stage
•
Onboard Isolated JTAG emulation
•
Isolated universal asynchronous receiver/transmitter (UART) communication through the serial
communications interface (SCI) peripheral and FTDI chip
communications interface (SCI) peripheral and FTDI chip
•
Hardware Developer’s Package is available and includes schematics, bill of materials, Gerber files,
and so forth.
and so forth.
1.3
Kit Specifications
The high-voltage half-bridge LLC resonant DC/DC converter with synchronous rectification kit board has
the following electrical specifications:
the following electrical specifications:
•
Input voltage: 375 to 405 VDC
•
Rated output power: 300 W
•
Output voltage : 12 VDC
•
Rated output current: 25 A
•
Output voltage line regulation (Io = 1 A):
≤
1%
•
Output voltage load regulation (Vin = 390 V):
≤
1%
•
Output voltage peak-to-peak ripple (Vin = 390 V and Io = 25 A):
≤
120 mV
•
Efficiency (Vin = 390 V and Io = 25 A): >90%
•
Switching frequency (normal operation): 80 kHz to 150 kHz
•
Resonant frequency: f0 = ~130 kHz
2
Hardware Overview
illustrates a DC/DC power conversion application running from DC power.
Figure 2. Block Diagram for a DC/DC Power Conversion Application
3
SPRABS1 – February 2013
High-Voltage Half-Bridge LLC Resonant DC/DC Converter With Synchronous
Rectification Hardware Kit
Copyright © 2013, Texas Instruments Incorporated