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| 型号： | MAX16071ETL+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 26/52页 |
| 文件大小： | 0K |
| 描述： | IC SYSTEM MANAGER 8CH 40-TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 应用： | 电源监控器 |
| 电源电压： | 2.8 V ~ 14 V |
| 电流 - 电源： | 4.5mA |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 40-WFQFN 裸露焊盘 |
| 供应商设备封装： | 40-TQFN-EP（6x6） |
| 包装： | 带卷 (TR) |
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12-Channel/8-Channel, Flash-Configurable System
Managers with Nonvolatile Fault Registers
Table 15. Nonvolatile Fault Log Registers (continued)
FLASH ADDRESS
203h
204h
205h
206h
207h
208h
209h
20Ah
20Bh
20Ch
20Dh
20Eh
20Fh
BIT RANGE
[7:0]
[7:0]
[7:0]
[7:0]
[7:0]
[7:0]
[7:0]
[7:0]
[7:0]
[7:0]
[7:0]
[7:0]
[7:0]
MON1 ADC output
MON2 ADC output
MON3 ADC output
MON4 ADC output
MON5 ADC output
MON6 ADC output
MON7 ADC output
MON8 ADC output
MON9 ADC output
MON10 ADC output
MON11 ADC output
MON12 ADC output
Current-sense ADC output
DESCRIPTION
Reset Output
The reset output, RESET, indicates the status of the moni-
tored inputs.
During normal monitoring, RESET can be configured to
assert when any combination of MON_ inputs violates
configurable combinations of thresholds: undervoltage,
overvoltage, or early warning. Select the combination of
thresholds using r3Bh[1:0], and select the combination
of MON_ inputs using r3Ch[7:1] and r3Dh[4:0]. Note that
MON_ inputs configured as critical faults will always cause
RESET to assert regardless of these configuration bits.
RESET can be configured as push-pull or open drain
using r3Bh[3], and active-high or active-low using
r3Bh[2]. Select the reset timeout by loading a value from
Table 16 into r3Bh[7:4]. RESET can be forced to assert
by writing a ‘1’ into r3Ch[0]. RESET remains asserted
for the reset timeout period after a ‘0’ is written into
r3Ch[0]. See Table 16. The current state of RESET can
be checked by reading r20h[0].
Watchdog Timer
The watchdog timer operates together with or indepen-
dently of the MAX16070/MAX16071. When operating in
dependent mode, the watchdog is not activated until EN
goes high and RESET is deasserted. When operating in
independent mode, the watchdog timer activates imme-
diately after V CC exceeds the UVLO threshold and the
boot phase is complete. Set r73h[4] to ‘0’ to configure
the watchdog in dependent mode. Set r73h[4] to ‘1’ to
configure the watchdog in independent mode. See Table
17 for more information on configuring the watchdog
timer in dependent or independent mode.
Dependent Watchdog Timer Operation
Use the watchdog timer to monitor F P activity in two
modes. Flexible timeout architecture provides an adjust-
able watchdog startup delay of up to 300s, allow-
ing complicated systems to complete lengthy boot-up
routines. An adjustable watchdog timeout allows the
supervisor to provide quick alerts when processor activ-
ity fails. After each reset event (V CC drops below UVLO
then returns above UVLO, software reboot, manual reset
( MR ), EN input going low then high, or watchdog reset),
the watchdog startup delay provides an extended time
for the system to power up and fully initialize all F P and
system components before assuming responsibility for
routine watchdog updates. Set r76h[6:4] to a value other
than ‘000’ to enable the watchdog startup delay. Set
r76h[6:4] to ‘000’ to disable the watchdog startup delay.
26
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX16072RS15D0+T | 功能描述:监控电路 uP Supervisor 1.58V Trip 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 |
| MAX16072RS15D1+T | 功能描述:监控电路 uP Supervisor 1.58V Trip 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 |
| MAX16072RS15D2+T | 功能描述:监控电路 uP Supervisor 1.58V Trip 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 |
| MAX16072RS15D3+T | 功能描述:监控电路 uP Supervisor 1.58V Trip 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 |
| MAX16072RS16D0+T | 功能描述:监控电路 uP Supervisor 1.63V Trip 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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