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| 型号： | MAX16049ETN+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/61页 |
| 文件大小： | 0K |
| 描述： | IC EE-PROG SYS MGR 8CH 56-TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 类型： | 系统管理器 |
| 监视电压数目： | 8 |
| 输出： | 开路漏极，推挽式 |
| 复位： | 低有效 |
| 复位超时： | 可调节/可选择 |
| 电压 - 阀值： | 可调节/可选择 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 56-WFQFN 裸露焊盘 |
| 供应商设备封装： | 56-TQFN-EP（8x8） |
| 包装： | 带卷 (TR) |
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ATION
EVALU
AVAIL
19-1869; Rev 4; 9/10
KIT
ABLE
12-Channel/8-Channel EEPROM-Programmable
System Managers with Nonvolatile Fault Registers
General Description
The MAX16047/MAX16049 EEPROM-configurable system
managers monitor, sequence, and track multiple system
voltages. The MAX16047 manages up to twelve system
voltages simultaneously, and the MAX16049 manages up
to eight supply voltages. These devices integrate an ana-
log-to-digital converter (ADC) for monitoring supply volt-
ages, 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 read back following failures.
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.
The integrated sequencer/tracker allows precise control
over the power-up and power-down order of up to twelve
(MAX16047) or up to eight (MAX16049) 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.
The MAX16047/MAX16049 include six programmable
general-purpose inputs/outputs (GPIOs). In addition to
serving as EEPROM-configurable I/O pins, the GPIOs
are also configurable as dedicated fault outputs, as a
watchdog input or output (WDI/WDO), or as a manual
reset ( MR ).
The MAX16047/MAX16049 feature two methods of fault
management for recording information during critical
fault events. The fault logger records a failure in the
internal EEPROM and sets a lock bit protecting the
stored fault data from accidental erasure.
An I 2 C/SMBus?-compatible or a JTAG serial interface
Features
o Operate from 3V to 14V
o 1% Accurate 10-Bit ADC Monitors 12/8 Inputs
o 12/8 Monitored Inputs with One Overvoltage/
One Undervoltage/One Selectable Limit
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
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
o I 2 C/SMBus-Compatible and JTAG Interface
o EEPROM-Configurable Time Delays and
Thresholds
o 100 Bytes of Internal User EEPROM
o 56-Pin (8mm x 8mm) TQFN Package
o -40°C to +85°C Operating Temperature Range
Applications
Servers
Workstations
Storage Systems
Networking/Telecom
Ordering Information
configures the MAX16047/MAX16049. These devices are
offered in a 56-pin 8mm x 8mm TQFN package and are
fully specified from -40°C to +85°C.
PART
MAX16047 ETN+
MAX16049 ETN+
TEMP RANGE
-40°C to +85°C
-40°C to +85°C
PIN-PACKAGE
56 TQFN-EP*
56 TQFN-EP*
+Denotes a lead(Pb)-free/RoHS-compliant package.
*EP = Exposed Pad.
SMBus is a trademark of Intel Corp.
Selector Guide and Pin Configurations appear at end of data
sheet.
________________________________________________________________ Maxim Integrated Products
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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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1604EAI | 功能描述:电源开关 IC - 配电 RoHS:否 制造商:Exar 输出端数量:1 开启电阻（最大值）:85 mOhms 开启时间（最大值）:400 us 关闭时间（最大值）:20 us 工作电源电压:3.2 V to 6.5 V 电源电流（最大值）: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOT-23-5 |
| MAX1604EAI+ | 功能描述:电源开关 IC - 配电 RoHS:否 制造商:Exar 输出端数量:1 开启电阻（最大值）:85 mOhms 开启时间（最大值）:400 us 关闭时间（最大值）:20 us 工作电源电压:3.2 V to 6.5 V 电源电流（最大值）: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOT-23-5 |
| MAX1604EAI+T | 功能描述:电源开关 IC - 配电 RoHS:否 制造商:Exar 输出端数量:1 开启电阻（最大值）:85 mOhms 开启时间（最大值）:400 us 关闭时间（最大值）:20 us 工作电源电压:3.2 V to 6.5 V 电源电流（最大值）: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOT-23-5 |
| MAX1604EAI-T | 功能描述:电源开关 IC - 配电 RoHS:否 制造商:Exar 输出端数量:1 开启电阻（最大值）:85 mOhms 开启时间（最大值）:400 us 关闭时间（最大值）:20 us 工作电源电压:3.2 V to 6.5 V 电源电流（最大值）: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOT-23-5 |
| MAX16050ETI+ | 功能描述:监控电路 Volt Mtr/Sequencer w/Reverse-Seq RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
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