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參數(shù)資料
| 型號： | MIC2593-2BTQ |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | Dual-Slot PCI Hot Plug Controller |
| 中文描述： | 雙插槽的PCI熱插拔控制器 |
| 文件頁數(shù)： | 14/26頁 |
| 文件大小： | 170K |
| 代理商： | MIC2593-2BTQ |
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MIC2593
Micrel
M9999-042204
14
April 2004
/INT*
/FAULT_[A/B]
I
MAIN_OUT[A/B]
MAIN_OUT[A/B]
I
AUX_OUT[A/B]
AUX_OUT[A/B]
AUXEN[A/B]
0
V
IH
V
IH
V
IL
V
IH
I
LIM(AUX)
I
STEADY-STATE
I
LIM(MAIN)
I
STEADY-STATE
ON[A/B]
0
0
0
0
0
0
0
V
IH
V
IL
+3.3V
tPOR
VSTBY
UVLO
tFLT
tFLT
*
*
* /INT de-asserted by software
Figure 8. Hot Plug Interface Operation
HPI-only Control Applications
In applications where the MIC2593 is controlled only by the
HPI, SMBus signals SCL, SDA, and /INT signals are con-
nected to VSTBY as shown in Figure 6. In this configuration,
the MIC2593
’
s /FAULT[A/B] outputs are activated after power-
on-reset and become asserted when:
Either or both external ON[A/B] and AUXEN[A/B] input sig-
nals are asserted, AND
12VIN[A/B], 12MVIN[A/B], 5VIN[A/B], 3VIN[A/B],
or VSTBY[A/B] input voltage is lower than its
respective ULVO threshold, OR
The fast OC circuit breaker[A/B] has tripped, OR
The slow OC circuit breaker[A/B] has tripped AND
its filter timeout[A/B] has expired, OR
The slow OC circuit breaker[A/B] has tripped AND
Slot[A/B] die temperature exceeds 140
°
C, OR
The MIC2593
’
s global die temperature exceeds
160
°
C
In order to clear /FAULT[A/B] outputs once asserted, ON[A/B]
and/or AUXEN[A/B] input signals must be de-asserted. Please
see the /FAULT[A/B] pin description for additional informa-
tion.
Hot Plug Interface (HPI) Operation
Once the input supplies are above their respective UVLO
thresholds, the Hot Plug Interface can be utilized for power
control by enabling the control input pins (AUXEN[A/B] and
ON[A/B]) for each slot. In order for the MIC2593 to switch on
the VAUX supply for either slot, the AUXEN[A/B] control must
be enabled after the power-on-reset delay, t
POR
(typically
500
μ
s), has elapsed. The MAIN output supplies can also be
enabled after t
POR
. The timing response diagram of Figure 8
illustrates a Hot Plug Interface operation where an overcur-
rent fault is detected by the MIC2593 controller after initiating
a power-up sequence. The figure illustrates the output re-
sponse of /FAULT, /INT, VAUX[A/B] supplies, and an exter-
nal MOSFET control MAIN[A/B] output supply, either 3.3V or
5V.
MIC2593 SMBus Address Configuration
The MIC2593 responds to its own unique address which is
assigned using A2, A1, and A0. These represent the 3 LSBs
of its 7-bit address, as shown in Table 3. These address bits
are assigned only during power up of the VSTBY[A/B] supply
input. These three bits allow up to eight MIC2593 devices in
a single system. These pins are either grounded or left
unconnected to specify a logical 0 or 1, respectively. A pin
designated as a logical 1 may also be pulled up to V
STBY
.
Serial Port Operation
The MIC2593 uses standard SMBus Write_Byte and
Read_Byte operations for communication with its host. The
SMBus Write_Byte operation involves sending the device
’
s
slave address, with the R/W bit (LSB) set to the low (write)
state, followed by a command byte and a data byte. The
SMBus Read_Byte operation is similar, but is a composite
write and read operation: the host first sends the device
’
s
slave address followed by the command byte, as in a write
operation. A new
“
Start
”
bit must then be sent to the MIC2593,
followed by a repeat of the slave address with the R/W bit set
to the high (read) state. The data to be read from the part may
then be clocked out. There is one exception to this rule: If the
location latched in the pointer register from the last write
operation is known to be correct (i.e., points to the desired
register within the MIC2593), then the
“
Receive_Byte
”
proce-
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| MIC2593-2BTQ TR | 功能描述:IC PCI HOT PLUG CTLR DUAL 48TQFP RoHS:否 類別:集成電路 (IC) >> PMIC - 熱交換 系列:- 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:100 系列:- 類型:熱插拔開關(guān) 應(yīng)用:通用 內(nèi)部開關(guān):是 電流限制:可調(diào) 電源電壓:9 V ~ 13.2 V 工作溫度:-40°C ~ 150°C 安裝類型:表面貼裝 封裝/外殼:10-WFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:10-TDFN-EP（3x3） 包裝:管件 |
| MIC2593-2YTQ | 功能描述:熱插拔功率分布 Dual-slot PCI Hot Swap Power Controller w/o IPMI support - Lead Free RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
| MIC2593-2YTQ TR | 功能描述:熱插拔功率分布 Dual-slot PCI Hot Swap Power Controller w/o IPMI support - Lead Free RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
| MIC2594-1BM | 功能描述:IC CTRLR HOT SWAP NEG HV 8-SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 熱交換 系列:- 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:100 系列:- 類型:熱插拔開關(guān) 應(yīng)用:通用 內(nèi)部開關(guān):是 電流限制:可調(diào) 電源電壓:9 V ~ 13.2 V 工作溫度:-40°C ~ 150°C 安裝類型:表面貼裝 封裝/外殼:10-WFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:10-TDFN-EP（3x3） 包裝:管件 |
| MIC2594-1BM TR | 功能描述:IC CTRLR HOT SWAP NEG HV 8-SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 熱交換 系列:- 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:100 系列:- 類型:熱插拔開關(guān) 應(yīng)用:通用 內(nèi)部開關(guān):是 電流限制:可調(diào) 電源電壓:9 V ~ 13.2 V 工作溫度:-40°C ~ 150°C 安裝類型:表面貼裝 封裝/外殼:10-WFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:10-TDFN-EP（3x3） 包裝:管件 |
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