参数资料
| 型号： | MAX34446EVKIT# |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 29/36页 |
| 文件大小： | 0K |
| 描述： | KIT EVAL FOR MAX34446 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 主要目的： | 电源管理，电源监控器/跟踪器/序列发生器 |
| 嵌入式： | 否 |
| 已用 IC / 零件： | MAX34446 |
| 已供物品： | 板 |
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MAX34446
PMBus Power-Supply Data Logger
MFR_FAULT_RESPONSE (D9h)
The MFR_FAULT_RESPONSE command specifies the response to each fault condition supported by the device. In
response to a fault, the device always reports the fault in the appropriate status register. A CML fault cannot cause
any device action other than setting the status bit. Table 17 describes the MFR_FAULT_RESPONSE command.
Table 17. MFR_FAULT_RESPONSE
BIT
7:6
5
4
3
2
1:0
BIT NAME
NV_LOG_EN[1:0]
NV_LOG_OV
UV_OV_OC_FILTER
0
LATCHOFF
FAULT_EN[1:0]
MEANING
0x = Never log MFR_NV_FAULT_LOG
10 = Log MFR_NV_FAULT_LOG on faults only.
11 = Log MFR_NV_FAULT_LOG on faults or warnings.
This bit is only valid for pages 0 to 3. Other pages always return a 0. These
bits are used only if the channel is configured to monitor voltage.
0 = Bits 7:6 are ignored for overvoltage faults or warnings.
1 = Bits 7:6 also applies to overvoltage faults or warnings.
This bit is only valid for pages 0 to 3. Other pages always return a 0.
0 = Fault/warn on first sample excursion occurrence.
1 = Requires two consecutive sample excursions before a fault/warning is
declared and action is taken.
One passing sample is needed to clear a fault/warning.
This bit always returns a 0.
Normally after a fault, the device continues monitoring the afflicted param-
eter for the fault to clear and releases the FAULTn pin from being asserted
low and logs future faults (if so enabled) once the currently accused fault
clears. If this bit is set, the associated FAULTn output is latched in the
asserted state (low) and no future fault logs are created until a V DD power
cycle or hardware or software reset occurs. Warnings do not latch a chan-
nel off.
0 = Latchoff disabled.
1 = Latchoff enabled.
0x = Never assert the FAULTn pin.
10 = Assert the FAULTn pin on faults only.
11 = Assert the FAULTn pin on faults or warnings.
Note: For fault responses, a fault is defined as either an undervoltage fault, overcurrent fault, or an overtemperature fault. Bit 6
allows the addition of an overvoltage fault to the fault condition.
MFR_FAULT_RETRY (DAh)
The MFR_FAULT_RETRY command sets the time the FAULTn output should remain active after the fault has been
cleared. This command sets the time delay in multiples of 1ms. The 2 data bytes are in DIRECT format. When
MFR_FAULT_RETRY = 0000h, the delay is disabled and the FAULTn output deasserts immediately after the fault condi-
tion is removed.
MFR_PG_DELAY (DBh)
The MFR_PG_DELAY command sets the delay time between when power good is determined and the associated
PGn pin is asserted. This command sets the time delay in multiples of 1ms. The 2 data bytes are in DIRECT format.
When MFR_PG_DELAY = 0000h, the delay is disabled and the PGn output is asserted immediately after power good
is declared.
Maxim Integrated
29
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| MAX34446EVKIT# | 功能描述:监控电路 MAX34446 Eval Kit 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 |
| MAX3444EAPA | 功能描述:RS-485接口IC RoHS:否 制造商:Texas Instruments 数据速率:250 Kbps 工作电源电压:3.3 V 电源电流:750 uA 工作温度范围:- 40 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
| MAX3444EASA | 功能描述:RS-485接口IC RoHS:否 制造商:Texas Instruments 数据速率:250 Kbps 工作电源电压:3.3 V 电源电流:750 uA 工作温度范围:- 40 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
| MAX3444EASA+ | 功能描述:RS-485接口IC 10Mbps Fail-Safe RS-485/J1708 Tcvr RoHS:否 制造商:Texas Instruments 数据速率:250 Kbps 工作电源电压:3.3 V 电源电流:750 uA 工作温度范围:- 40 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
| MAX3444EASA+T | 功能描述:RS-485接口IC 10Mbps Fail-Safe RS-485/J1708 Tcvr RoHS:否 制造商:Texas Instruments 数据速率:250 Kbps 工作电源电压:3.3 V 电源电流:750 uA 工作温度范围:- 40 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
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