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參數(shù)資料
| 型號： | SMH4802 |
| 廠商： | Summit Microelectronics, Inc. |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | Programmable -48V Hot-Swap Controller with Forced Shut Down |
| 中文描述： | 可編程的- 48V熱插拔控制器強制關機 |
| 文件頁數(shù)： | 14/20頁 |
| 文件大?。?/td> | 573K |
| 代理商： | SMH4802 |
14
SMH4802
2062 2.3 6/19/03
SUMMIT MICROELECTRONICS, Inc.
Preliminary Information
DEVELOPMENT HARDWARE & SOFTWARE
PROGRAMMING CONNECTION
The SMH4802 uses the industry standard I
2
C 2-wire
serial data interface. This interface provides access to
the configuration registers and the nonvolatile fault latch.
Device configuration utilizing the Windows based
SMH4802 graphical user interface (GUI) is highly recom-
mended. The software is available from the Summit
website (
www.summitmicro.com
). Using the GUI in
conjunction with this datasheet simplifies the process of
device prototyping and the interaction of the various
functional blocks. A programming Dongle (SMX3200) is
available from Summit to communicate with the
SMH4802. The Dongle connects directly to the parallel
port of a PC and the target application. It programs the
device through a cable using the I
2
C bus protocol.
The SMX3200 system consists of a programming Dongle,
cable and Windows GUI software. The device is then
configured on-screen via an intuitive graphical user
interface employing drop-down menus. It can be ordered
on the website or from a local representative. The latest
revisions of all software and an application brief describ-
ing the SMX3200 is available from the website.
When design prototyping is complete, the software can
generate a HEX data file that should then be transmitted
to Summit for approval. Summit will then assign a unique
customer ID to the HEX code and program production
devices before the final electrical test operations. This
will ensure proper device operation in the end application.
The Windows GUI software will generate the data and
send it in I
2
C serial bus format so that it can be directly
downloaded to the SMH4802 via the programming Dongle
and cable. An example of the connection interface is
shown in Figure 10.
When design prototyping is complete the software can
generate a HEX data file that should be transmitted to
Summit for approval. Summit will then assign a unique
customer ID to the HEX code and program production
devices before the final electrical test operations. This
will ensure proper device operation in the end application.
Caution: If the device is powered from -48V
during programming damage may occur when
connecting the dongle to a system utilizing an
earth-connected positive terminal. Either dis-
abling the -48V connection or using a laptop
computer is the best way to avoid damage.
Figure 10. SMX3200 Programmer I
2
C serial bus connections.
Pin numbers reflect SOIC package.
Pin 9, 5V
Pin 7, 10V
Pin5, Reserved
Pin3, GND
Pin 1, GND
Pin 10, Reserved
Pin 8, Reserved
Pin 6, Reserved
Pin 4, SDA
Pin 2, SCL
Top view of straight 0.1"
×
0.1" closed
side connector SMX3200 interface
–48V
Ret.
–48V
VDD
VSS
SDA
SCL
9
7
5
3
1
10
8
6
4
2
SMH4802
2062 Fig10
RD
C1
0.01
μ
F
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相關代理商/技術參數(shù) |
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| SMH4802_09 | 制造商:SUMMIT 制造商全稱:SUMMIT 功能描述:Programmable -48V Hot-Swap Controller with Forced Shut Down |
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| SMH4803A | 制造商:SUMMIT 制造商全稱:SUMMIT 功能描述:Distributed Power Hot Swap Controller |
| SMH4803AEK | 制造商:SUMMIT 制造商全稱:SUMMIT 功能描述:Distributed Power Hot-Swap Controller |
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