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MAX16046ETN+CK4

更新时间： 2023-01-02 19:20:05
品牌 Logo 应用领域
美信 - MAXIM 信息通信管理
页数 文件大小 规格书
70页 542K
描述
Power Supply Management Circuit, Adjustable, 12 Channel, BICMOS, TQFN-56

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MAX16046ETN+CK4 数据手册

 浏览型号MAX16046ETN+CK4的Datasheet PDF文件第2页浏览型号MAX16046ETN+CK4的Datasheet PDF文件第3页浏览型号MAX16046ETN+CK4的Datasheet PDF文件第4页浏览型号MAX16046ETN+CK4的Datasheet PDF文件第5页浏览型号MAX16046ETN+CK4的Datasheet PDF文件第6页浏览型号MAX16046ETN+CK4的Datasheet PDF文件第7页 
19-1050; Rev 6; 5/12  
12-Channel/8-Channel EEPROM-Programmable  
System Managers with Nonvolatile Fault Registers  
/MAX16048  
General Description  
Features  
o Operates from 3V to 14V  
The MAX16046/MAX16048 EEPROM-configurable system  
managers monitor, sequence, track, and margin multiple  
system voltages. The MAX16046 manages up to twelve  
system voltages simultaneously, and the MAX16048 man-  
ages up to eight supply voltages. These devices integrate  
an analog-to-digital converter (ADC) for monitoring supply  
voltages, digital-to-analog converters (DAC) for adjusting  
supply voltages, and configurable outputs for sequencing  
and tracking supplies (during power-up and power-  
down). Nonvolatile EEPROM registers are configurable for  
storing upper and lower voltage limits, setting timing and  
sequencing requirements, and for storing critical fault  
data for readback following failures.  
o 1% Accurate 10-Bit ADC Monitors 12/8 Inputs  
o 12/8 Monitored Inputs with 1 Overvoltage/  
1 Undervoltage/1 Selectable Limit  
o 12/8 8-Bit DAC Outputs for Margining or Voltage  
Adjustments  
o Nonvolatile Fault Event Logger  
o Power-Up and Power-Down Sequencing  
Capability  
o 12/8 Outputs for Sequencing/Power-Good  
Indicators  
o Closed-Loop Tracking for Up to Four Channels  
An internal 1% accurate 10-bit ADC measures each input  
and compares the result to one upper, one lower, and  
one selectable upper or lower limit. A fault signal asserts  
when a monitored voltage falls outside the set limits. Up  
to three independent fault output signals are configurable  
to assert under various fault conditions.  
o Two Programmable Fault Outputs and One Reset  
Output  
o Six General-Purpose Input/Outputs Configurable as:  
Dedicated Fault Output  
Watchdog Timer Function  
Manual Reset  
Margin Enable Input  
The integrated sequencer/tracker allows precise control  
over the power-up and power-down order of up to twelve  
(MAX16046) or up to eight (MAX16048) power supplies.  
Four channels (EN_OUT1–EN_OUT4) support closed-  
loop tracking using external series MOSFETs. Six outputs  
(EN_OUT1–EN_OUT6) are configurable with charge-  
pump outputs to directly drive MOSFETs without closed-  
loop tracking.  
2
o I C (with Timeout) and JTAG Interface  
o EEPROM-Configurable Time Delays, Thresholds,  
and DAC Outputs  
o 100 Bytes of Internal User EEPROM  
o -40°C to +85°C Operating Temperature Range  
The MAX16046/MAX16048 include twelve/eight inte-  
grated 8-bit DAC outputs for margining power supplies  
when connected to the trim input of a point-of-load  
(POL) module.  
Applications  
Servers  
The MAX16046/MAX16048 include six programmable  
general-purpose inputs/outputs (GPIOs). GPIOs are  
EEPROM configurable as dedicated fault outputs, as a  
watchdog input or output (WDI/WDO), as a manual reset  
(MR), or as margin control inputs.  
Workstations  
Storage Systems  
Networking/Telecom  
The MAX16046/MAX16048 feature two methods of fault  
management for recording information during system  
shutdown events. The fault logger records a failure in  
the internal EEPROM and sets a lock bit protecting the  
stored fault data from accidental erasure.  
Ordering Information  
PART  
TEMP RANGE  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
PIN-PACKAGE  
64 TQFP-EP*  
56 TQFN-EP*  
64 TQFP-EP*  
56 TQFN-EP*  
MAX16046ECB+  
MAX16046ETN+  
MAX16048ECB+  
MAX16048ETN+  
2
An I C or a JTAG serial interface configures the  
MAX16046/MAX16048. These devices are offered in a  
56-pin 8mm x 8mm TQFN package or a 64-pin 10mm x  
10mm TQFP package and are fully specified from -40°C  
to +85°C.  
+Denotes a lead(Pb)-free/RoHS-compliant package.  
*EP = Exposed pad.  
Pin Configurations appear at end of data sheet.  
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.  
1234567...70

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