Datasheet > MIC2342-3YTQ

MIC2342-3YTQ

更新时间： 2024-11-08 10:57:19

品牌	Logo	应用领域
麦瑞 - MICREL		控制器 PC
页数	文件大小	规格书
32页	1202K
描述
Dual-Slot PCI Express? Hot-Plug Controller

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MIC2342-3YTQ 数据手册

MIC2342/2342R

Dual-Slot PCI Express^®Hot-Plug

Controller

General Description

Features

The MIC2342 is a dual-slot power controller supporting the

power distribution requirements for Peripheral Component

Interconnect Express (PCI Express^®) Hot-Plug compliant

systems. The MIC2342 provides complete power control

support for two PCI Express slots, including the 3.3VAUX

defined by the PCI Express standards. Support for the

12V, 3.3V, and 3.3VAUX supplies includes programmable

gate voltage slew-rate control, voltage supervision,

programmable current limit, and circuit breaker functions.

These features provide comprehensive system protection

and fault isolation. Additionally, in the event of an

overcurrent fault on 3.3VAUX that “trips” the circuit breaker

to cause the 3.3VAUX output to shut down, the MAIN

outputs (3.3V and 12V) for the affected 3.3VAUX slot, A or

B, will also be shut down. The MIC2341 controller

provides truly independent output operation for MAIN and

AUX.

• Supports two independent PCI Express slots

• MAIN & AUX outputs are inter-dependent during AUX

overcurrent conditions

• 12V, 3.3V, and 3.3VAUX supplies supported per PCI

Express Specification v1.0a, v.2.0

• Integrated Power MOSFETS for 3.3VAUX rails

• Standby Operation for Wake-on-LAN applications with

low backfeed on Main +12V and +3.3V rails

• Electronic circuit breakers for each supply per slot

- Programmable gate voltage slew-rate control

- Active current regulation controls inrush current

• High accuracy Primary and Secondary Circuit Breaker

Current-limit Thresholds

• Dual-level, dual-speed fault detection for fast response

without nuisance tripping

Data sheets and support documentation can be found on

Micrel’s web site at: www.micrel.com.

• User-programmable Primary Overcurrent Detector

• /PWRGD and Delayed /PWRGD (164 ms) Signal

Outputs per slot

• Separate /FAULT output signals for MAIN and AUX

rails for each slot

• Global Systems Power-is-Good Output

• Both slots thermally isolated

• Internally Debounced Plug-in Card Retention Switch

Inputs per slot.

Applications

• PCI Express v1.0a, v2.0 hot-plug power control

M9999-062008-A

June 2008

12 3 4 5 6 7...32

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与MIC2342-3YTQ相关器件

型号	品牌	获取价格	描述	数据表
MIC2342-5YTQ	MICREL	获取价格	Dual-Slot PCI Express? Hot-Plug Controller
MIC2342-5YTQ	MICROCHIP	获取价格	3-CHANNEL POWER SUPPLY MANAGEMENT CKT, PQFP48
MIC2342R	MICREL	获取价格	Dual-Slot PCI Express? Hot-Plug Controller
MIC2342R-2YTQ	MICROCHIP	获取价格	3-CHANNEL POWER SUPPLY MANAGEMENT CKT, PQFP48
MIC2342R-2YTQ-TR	MICROCHIP	获取价格	IC HOT PLUG CTLR DUAL PCI 48TQFP
MIC2342R-3YTQ	MICROCHIP	获取价格	3-CHANNEL POWER SUPPLY MANAGEMENT CKT, PQFP48
MIC23450	MICREL	获取价格	3MHz, PWM, 2A Triple Buck Regulator with Hype
MIC23450	MICROCHIP	获取价格	The MIC23450 is a high-efficiency, 3MHz, triple 2A, synchronous buck regulator with HyperL
MIC23450-AAAYML	MICREL	获取价格	3MHz, PWM, 2A Triple Buck Regulator with Hype
MIC23451	MICREL	获取价格	3MHz, 2A Triple Synchronous Buck Regulator

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