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| 型号： | MAX16046ATN+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/70页 |
| 文件大小： | 0K |
| 描述： | IC EE-PROG SYS MGR 12CH 56-TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 37 |
| 类型： | 系统管理器 |
| 监视电压数目： | 12 |
| 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 ~ 125°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： | 托盘 |
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MAX16046/MAX16048
12-Channel/8-Channel EEPROM-Programmable
System Managers with Nonvolatile Fault Registers
General Description
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.
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
(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.
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.
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.
The MAX16046/MAX16048 feature two methods of fault
management for recording information during system
Features
o Operates from 3V to 14V
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
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
o I 2 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
Applications
Servers
Workstations
Storage Systems
Networking/Telecom
Ordering Information
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.
An I 2 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
PART
MAX16046 ECB+
MAX16046ETN+
MAX16048 ECB+
MAX16048ETN+
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*
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.
For pricing, delivery, and ordering information, please contact Maxim Direct
at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.
19-1050; Rev 7; 2/14
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX16046ATN+ | 功能描述:监控电路 12Ch EEPROM Prob System Manager 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 |
| MAX16046ATN+T | 功能描述:监控电路 12Ch EEPROM Prob System Manager 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 |
| MAX16046ECB+ | 功能描述:监控电路 12Ch EEPROM Prob System Manager 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 |
| MAX16046ECB+T | 功能描述:监控电路 12Ch EEPROM Prob System Manager 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 |
| MAX16046ETN+ | 功能描述:监控电路 12Ch EEPROM Prob System Manager 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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