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MAX5959LECS+T

更新时间: 2024-11-29 13:10:43
品牌 Logo 应用领域
美信 - MAXIM 控制器PC
页数 文件大小 规格书
1页 97K
描述
Power Management Circuit, BICMOS, PQFP80

MAX5959LECS+T 技术参数

是否无铅:不含铅是否Rohs认证:符合
生命周期:Obsolete包装说明:QFP, TQFP80,.55SQ
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.84
Is Samacsys:NJESD-30 代码:S-PQFP-G80
JESD-609代码:e3湿度敏感等级:1
端子数量:80最高工作温度:85 °C
最低工作温度:-40 °C封装主体材料:PLASTIC/EPOXY
封装代码:QFP封装等效代码:TQFP80,.55SQ
封装形状:SQUARE封装形式:FLATPACK
峰值回流温度(摄氏度):225电源:3.3,12 V
认证状态:Not Qualified子类别:Power Management Circuits
最大供电电流 (Isup):2.5 mA表面贴装:YES
技术:BICMOS温度等级:INDUSTRIAL
端子面层:MATTE TIN端子形式:GULL WING
端子节距:0.5 mm端子位置:QUAD
处于峰值回流温度下的最长时间:NOT SPECIFIEDBase Number Matches:1

MAX5959LECS+T 数据手册

  
19-XXXX; Rev 0; 7/07  
Quad PCI Express, Hot-Plug Controllers  
/MAX5960  
General Description  
Features  
The MAX5959/MAX5960 quad hot-plug controllers are  
designed for PCI Express® (PCIe) applications. These  
devices provide hot-plug control for the main 12V, 3.3V,  
and 3.3V auxiliary supplies of four PCIe slots. The  
MAX5959/MAX5960’s logic inputs/outputs allow interfac-  
ing directly with the system hot-plug management con-  
troller or through an SMBus™ with an external I/O  
expander such as the MAX7313. An integrated  
debounced attention switch and present-detect signals  
simplify system design.  
o PCIe Compliant  
o Hot Swap 12V, 3.3V, and 3.3V Auxiliary for 4  
PCIe Slots  
o Integrated Power MOSFETs for Auxiliary Supply  
Rails  
o Controls dI/dt and dV/dt  
o Active Current-Limiting Protects Against  
Overcurrent/Short-Circuit Conditions  
The MAX5959/MAX5960 drive eight external n-channel  
MOSFETs to control the 12V and 3.3V main outputs. The  
3.3V auxiliary outputs are controlled through 0.2n-chan-  
nel MOSFETs. Internal charge pumps provide the gate  
drive for the 12V outputs while the gate drive of the 3.3V  
output is driven by the 12V input supply clamped to 5.5V  
above the respective 3.3V main supply rail. The 3.3V aux-  
iliary outputs are completely independent from the main  
outputs with their own charge pumps.  
o Programmable Current-Limit Timeout  
o PWRGD Signal Outputs with Programmable  
Power-On Reset (POR) (160ms Default)  
o Latched FAULT Signal Output after Overcurrent  
or Overtemperature Fault  
o Attention Switch Inputs/Outputs with 4ms  
Debounce  
At power-up, the MAX5959/MAX5960 keep all of the  
MOSFETs off until the supplies rise above their respective  
undervoltage lockout (UVLO) thresholds. Upon a turn-on  
command, the MAX5959/MAX5960 enhance the external  
and internal MOSFETs slowly with a constant gate current  
to limit the power-supply inrush current.  
o Present-Detect Inputs  
o Force-On Inputs Facilitate Testing/Debug  
o Thermal Shutdown  
o Allow Control through SMBus with an I/O  
Expander  
The MAX5959/MAX5960 actively limit the current to pro-  
tect all outputs at all times and shutdown if an overcurrent  
condition persists longer than the programmable overcur-  
rent timeout. After an overcurrent or overtemperature fault  
condition, the MAX5959L/MAX5960L latch off while the  
MAX5959A/MAX5960A automatically restart after a restart  
time delay. The MAX5959/MAX5960 are offered in latch-  
off or auto-restart versions (see the Selector Guide).  
Ordering Information  
PIN-  
PACKAGE  
PKG  
CODE  
PART  
TEMP RANGE  
MAX5959AECS+  
MAX5959LECS+  
MAX5960AECS+  
MAX5960LECS+  
-40°C to +85°C 80 TQFP  
-40°C to +85°C 80 TQFP  
-40°C to +85°C 80 TQFP  
-40°C to +85°C 80 TQFP  
C80-1  
C80-1  
C80-1  
C80-1  
The MAX5959/MAX5960 are available in an 80-pin TQFP  
package and operate over the -40°C to +85°C tempera-  
ture range.  
+Denotes lead-free package.  
Applications  
Servers  
Pin Configuration and Typical Application Circuit appear at  
end of data sheet.  
Desktop Mobile Server Platforms  
Workstations  
Selector Guide  
PART  
LATCH OFF  
AUTO RESTART  
GUARANTEED AUX CURRENT (mA)  
MAX5959AECS+  
MAX5959LECS+  
MAX5960AECS+  
MAX5960LECS+  
375  
375  
550  
550  
PCI-Express is a registered trademark of PCI-SIG Corp. SMBus is a trademark of Intel Corp.  
________________________________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,  
or visit Maxim’s website at www.maxim-ic.com.  

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