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參數資料
| 型號： | SMS64FR03 |
| 廠商： | Summit Microelectronics, Inc. |
| 英文描述： | Six-Channel Supply Monitor and Sequencing Controller |
| 中文描述： | 6通道電源監視器和排序控制器 |
| 文件頁數： | 1/24頁 |
| 文件大?。?/td> | 647K |
| 代理商： | SMS64FR03 |
SMS64
Six-Channel Supply Monitor and Sequencing Controller
Preliminary
SUMMIT MICROELECTRONICS, Inc. 2003 1717 Fox Dr. San Jose, CA 95131 Phone 408-436-9890 FAX 408-436-9897
wwwsummitmicro.com
Characteristics Subject to Change Without Notice
2060 2.22 10/09/03
1
FEATURES & APPLICATIONS
Monitors and Controls up to 6 Power
Supplies
Programmable Sequencing for both Power-
on and Power-off
Programmable Threshold Sensors
Programmable Reset and Interrupt Functions
Programmable Watchdog/Longdog Timer
Fault and Status Registers
4k-Bit Nonvolatile Memory
Applications
Monitor and Control Distributed Power and
Point of Use Power Supplies
Telecom
Compact PCI
Servers
Multi-voltage Network Processors, DSPs,
ASICs
INTRODUCTION
The SMS64 is a highly integrated power supply
monitor and controller. The SMS64 has six supply
managers, each individually programmable with
regard to threshold voltages, actions that can be taken
with either an under- or over-voltage condition and
how that manager will operate in sequencing the
power-on operation.
The managers can act independently or sequenced
with any other manager in the device. When the
managers work together the device can control the
sequence in which power is applied to the application
circuits. Each manager is assigned to a sequence
position which allows the device to perform power
supply sequencing in any order. For power-off
situations the SMS64 can sequence the supplies
either in the same order or reverse order from the
power-on sequence.
The SMS64 has two programmable Watchdog
timers, two programmable reset outputs and a
programmable IRQ# output. Using the I
2
C 2-wire
serial interface, a host system can communicate with
the SMS64 status register, optionally control power-on
via software and utilize 4 K-bits of nonvolatile memory.
GND
V+
OUT
SET
ON/OFF
GND
V+
OUT
ON/OFF
GND
V+
OUT
SET
SHDN
3.3V
2.7V
V
A
P
A
V
A
V
B
P
B
V
B
P
C
V
C
PUP
D
V
D
P
F
V
F
P
E
V
E
ASIC
DSP
2.5V
1.8V
2.0V
1.5V
HAVGGCA
IQ
RST_A#
R
VCC_CAP
GND
Power-On
IRQ#
HEALTHY#
GND
MR#
RESET#
SMS64
GND
V+
OUT
ON/OFF
PWR_ON/OFF
2.7V
2.7V
UP
Power Supply Sequencing and System Start-up Initialization using the SMS64
This is an example application and the specific component values are purposely not shown. The SMS64 can be used with any combination of
MOSFETs, LDOs or DC/DC converters to optimize sequencing and minimize losses in the power chain.
SIMPLIFIED APPLICATIONS DRAWING
相關PDF資料 |
PDF描述 |
|---|---|
| SMS64FR04 | Six-Channel Supply Monitor and Sequencing Controller |
| SMS64FR05 | Six-Channel Supply Monitor and Sequencing Controller |
| SMS64FR06 | Six-Channel Supply Monitor and Sequencing Controller |
| SMS64FR07 | Six-Channel Supply Monitor and Sequencing Controller |
| SMS64FR08 | Six-Channel Supply Monitor and Sequencing Controller |
相關代理商/技術參數 |
參數描述 |
|---|---|
| SMS64FR04 | 制造商:SUMMIT 制造商全稱:SUMMIT 功能描述:Six-Channel Supply Monitor and Sequencing Controller |
| SMS64FR05 | 制造商:SUMMIT 制造商全稱:SUMMIT 功能描述:Six-Channel Supply Monitor and Sequencing Controller |
| SMS64FR06 | 制造商:SUMMIT 制造商全稱:SUMMIT 功能描述:Six-Channel Supply Monitor and Sequencing Controller |
| SMS64FR07 | 制造商:SUMMIT 制造商全稱:SUMMIT 功能描述:Six-Channel Supply Monitor and Sequencing Controller |
| SMS64FR08 | 制造商:SUMMIT 制造商全稱:SUMMIT 功能描述:Six-Channel Supply Monitor and Sequencing Controller |
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