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参数资料
| 型号： | IRAC5001-HS100A |
| 厂商： | International Rectifier |
| 文件页数： | 1/12页 |
| 文件大小： | 0K |
| 描述： | KIT EVAL ORING DEMO BOARD/IR5001 |
| 标准包装： | 1 |
| 其它名称： | *IRAC5001-HS100A |
IRAC5001-HS100A ORing Demo Board
INTRODUCTION
High-reliability DC power distribution system normally consists of several DC
power supplies with each output connected in parallel to the system load bus.
These power converters may come with current sharing and/or hot-swapping
circuit but each of them will have a common basic feature that is output fault
isolation. Passive solution using Schottky diodes becomes a popular choice
before, but due to ever increasing load current demand, the power loss due to
its forward voltage drop becomes significantly high which requires separate
thermal management and additional cost.
With the introduction of the active OR-ing as a more efficient scheme for fault
isolation, the use of low Rds-on mosfet(s) and discrete solution for gate drives
has become a more attractive solution.
GENERAL DESCRIPTION
This Active OR-ing demo board is an evaluation kit which aims to demonstrate
the functionality of the IR5001 OR-ing controller IC by driving 4 low-Rds-on 20V
N-channel mosfets ( IRF6609 DirectFETs as OR-FETs) connected in parallel. Its
basic circuit is intended for use as a simple and efficient means of providing the
OR-ing function by actively linking the positive side of individual 12-Volt power
converter to the system bus and output fault isolation during short circuit
condition of any of the power source.
The board is tested for 65 – 100 Amp max and requires a floating 12Volt dc
supply to power up the IR5001 IC. It is equipped with normally-open
microswitch for FETCHK function. This switch is intended to check manually the
output status of the IC controller as well as giving the user a quick way of
knowing if there is an abnormality on the board itself, such as bad mosfets
(please refer to Table1 ).
SPECIFICATION
1.
2.
3.
4.
Fast Reverse polarity sensing of IR5001 OR-ing Controller IC
IC’s gate drive capability of 3A pk
Low dissipation of IRF6609 Low-Rds-on (2mOhm) DirectFET (OR-FETs)
Highside implementation (positive rail) of OR-ing function capable of
handling continuous 65-100Amp max in a 12Volt system
5. Less than 10A pk reverse current during short circuit.
6. With FETCHK feature ( for quick checking of IC output and OR-FETs
functionality )
MODEL : IRAC5001-HS100A ORing DEMO BOARD
DOCUMENT Name : IRAC5001-HS100A_USERGUIDE_Rev1.3
Documented by : Israel Serrano, IR Singapore Design Center
DATE : 8/3/2004
PN : 1950-1003_Rev_1.3
Page 1 of 12
WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245 Tel: (310) 252-7105
http://www.irf.com / Data and specifications subject to change without notice.
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