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参数资料
| 型号： | MAX16049ETN |
| 厂商： | Maxim Integrated Products, Inc. |
| 元件分类： | 基准电压源/电流源 |
| 英文描述： | Hold function, Loop detection; Vin (V) max.: 24; Icc (mA) max.: 6.45; Fmax (kHz) max.: 400; Topr [Tjopr] (°C): -40 to +125; Remarks: Power factor collection; Package: SOP; Pin count: 16 |
| 中文描述： | 12-Channel/8-Channel EEPROM的可编程系统的故障寄存器经理非易失 |
| 文件页数： | 16/62页 |
| 文件大小： | 535K |
| 代理商： | MAX16049ETN |
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M
12-Channel/8-Channel EEPROM-Programmable
System Managers with Nonvolatile Fault Registers
16
______________________________________________________________________________________
Enable
To initiate sequencing/tracking and enable monitoring,
the voltage at EN must be above 0.525V and the
Software Enable
bit in r4Dh[0] must be set to ‘0.’ To
power down and disable monitoring, either pull EN
below 0.5V or set the
Software Enable
bit to ‘1.’ See
Table 1 for the software enable bit configurations.
Connect EN to ABP if not used.
If a fault condition occurs during the power-up cycle,
the EN_OUT_ outputs are powered down immediately,
independent of the state of EN. If operating in latch-on
fault mode, toggle EN or toggle the
Software Enable
bit
to clear the latch condition and restart the device once
the fault condition has been removed.
Table 1. EEPROM Software Enable Configurations
REGISTER/
EEPROM ADDRESS
BIT RANGE
DESCRIPTION
0
Software
Enable
bit
0 = Enabled. EN must also be high to begin sequencing
1 = Disabled (factory default)
1
Margin bit
1 = Margin functionality is enabled
0 = Margin disabled
2
Early Warning Selection bit
0 = Early warning thresholds are undervoltage thresholds
1 = Early warning thresholds are overvoltage thresholds
3
Watchdog Mode Selection bit
0 = Watchdog timer is in dependent mode
1 = Watchdog timer is in independent mode
4Dh
[7:4]
Not used
Voltage Monitoring
The MAX16047/MAX16049 feature an internal 10-bit
ADC that monitors the MON_ voltage inputs. An internal
multiplexer cycles through each of the twelve inputs,
taking 100μs (typ) for a complete monitoring cycle.
Each acquisition takes approximately 8.3μs. At each
multiplexer stop, the 10-bit ADC converts the analog
input to a digital result and stores the result in a regis-
ter. ADC conversion results are stored in registers r00h
to r17h in the extended page. Use the I
2
C or JTAG seri-
al interface to read ADC conversion results. See the
I
2
C/SMBus-Compatible Serial Interface or the JTAG
Serial Interface section for more information on access-
ing the extended page.
The MAX16047 provides twelve inputs, MON1–MON12,
for voltage monitoring. The MAX16049 provides eight
inputs, MON1–MON8, for voltage monitoring. Each
input voltage range is programmable in registers r0Fh
to r11h (see Table 2). When MON_ configuration
registers are set to ‘11,’ MON_ voltages are not moni-
tored or converted, and the multiplexer does not stop at
these inputs, decreasing the total cycle time. These
inputs cannot be configured to trigger fault conditions.
The three programmable thresholds for each monitored
voltage include an overvoltage, an undervoltage, and
an early warning threshold that can be set in r4Dh[2] to
be either an undervoltage or overvoltage threshold. See
the Faults section for more information on setting over-
voltage and undervoltage thresholds. All voltage
thresholds are 8 bits wide. The 8 MSBs of the 10-bit
ADC conversion result are compared to these overvolt-
age and undervoltage thresholds.
For any undervoltage or overvoltage condition to be
monitored and any faults detected, the MON_ input
must be assigned to a particular sequence order. See
the Sequencing section for more details on assigning
MON_ inputs.
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|---|---|
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| MAX16050 | Voltage Monitors/Sequencer Circuits with Reverse-Sequencing Capability |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX16049ETN+ | 功能描述:监控电路 8Ch 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 |
| MAX16049ETN+T | 功能描述:监控电路 8Ch 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 |
| 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 |
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