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| 型号： | MAX5946AETX+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 18/23页 |
| 文件大小： | 1102K |
| 描述： | IC CNTRLR PCI EXP DL 36TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 类型： | 热交换控制器 |
| 应用： | 通用型，PCI Express? |
| 内部开关： | 无 |
| 电源电压： | 3.3V，12V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 36-WFQFN 裸露焊盘 |
| 供应商设备封装： | 36-TQFN 裸露焊盘（6x6） |
| 包装： | 带卷 (TR) |
Dual PCI Express, Hot-Plug
Controller
18 ______________________________________________________________________________________
N
Y
POWER-ON MAIN
SUPPLIES FAULT
AND PWRGD ARE
HIGH IMPEDANCE
N
ENABLE CHARGE ON
12G_ AND 3.3G_
PINS. START
COUNTING t
SU
HAS t
SU
ELAPSED?
N
POWER-ON AUXILIARY
SUPPLIES FAULT
AND PWRGD ARE
HIGH IMPEDANCE
N
ENABLE CHARGE ON
INTERNAL AUXILIARY
MOSFET, BEGIN
COUNTING t
SU
HAS t
SU
ELAPSED?
N
Y
N
Y
Y
ARE PWRGD
THRESHOLDS
REACHED?
ASSERT
PWRGD_
AFTER t
POR_HL
DELAY
12V AND 3.3V
OUTPUTS
ARE ENABLED
WAS CURRENT
LIMIT DETECTED ON ANY
12V OR
3.3V OUTPUT?
START COUNTING
t
FAULT
HAS t
FAULT
ELAPSED?
N
Y
RESET t
FAULT
COUNTER
Y
SHUT DOWN
12V AND 3.3V OUTPUTS.
ASSERT FAULT_
STAY WAITING FOR
t
RESTART
LATCH-OFF
OPTION?
Y
STAY WAITING FOR
ON_ TRANSITION
HIGH->LOW->HIGH
AUX SUPPLY OUTPUT
IS ENABLED
WAS CURRENT LIMIT
DETECTED ON AUXILIARY
OUTPUT?
IS t
FAULT
ELAPSED?
N
N
Y
Y
SHUT DOWN
ALL OUTPUTS,
ASSERT FAULT_,
STAY WAITING FOR
t
RESTART
ELAPSED.
LATCH-OFF
OPTION?
Y
RESET FAULT_
AND
RESTART ALL SUPPLIES
STAY WAITING FOR BOTH
ON_ AND AUXON_
TRANSITION
HIGH->LOW->HIGH
RESET FAULT_
AND
RESTART 12V, 3.3V
SUPPLIES
IS FAULT STILL
PRESENT?
Y
N
IS FAULT STILL
PRESENT?
N
START COUNTING
t
FAULT
RESET tFAULT
COUNTER
RESET
PWRGD_
AFTER t
POR_LH
DELAY
3.3AUXIN IS ON
AND ABOVE UVLO
Figure 6. Fault Management Flow Chart
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX5946LETJ | 制造商:Maxim Integrated Products 功能描述:DUAL PCI-EXPRESS HOT-PLUG CONTROLLER - Rail/Tube |
| MAX5946LETX | 功能描述:热插拔功率分布 RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube |
| MAX5946LETX+ | 功能描述:热插拔功率分布 Dual PCIe Hot-Plug Controller RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube |
| MAX5946LETX+T | 功能描述:热插拔功率分布 Dual PCIe Hot-Plug Controller RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube |
| MAX5946LETX-T | 功能描述:热插拔功率分布 RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube |
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