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| 型号： | MAX16046ATN+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 48/70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
Independent Watchdog Timer Operation
When r4Dh[3] is ‘1’ the watchdog timer operates in the
independent mode. In the independent mode, the
watchdog timer operates as if it were a separate chip.
The watchdog timer is activated immediately upon V CC
exceeding UVLO and once the boot-up sequence is
finished. If RESET is asserted by the sequencer state
machine, the watchdog timer and WDO will not be
affected.
There will be a long startup delay if r55h[6] is a ‘1.’ If
r55h[6] is a ‘0,’ there will not be a long startup delay.
In independent mode, if the Watchdog Reset Output
Enable bit r55h[7] is set to ‘1,’ when the watchdog timer
expires, WDO will be asserted, then RESET will be
asserted. WDO will then be deasserted. WDO will be
Table 30. Miscellaneous Settings
REGISTER/
low for 3 system clock cycles or approximately 1μs. If
the Watchdog Reset Output Enable bit (r55h[7]) is set
to ‘0,’ when the WDT expires, WDO will be asserted but
RESET will not be affected.
Miscellaneous
Table 30 lists several miscellaneous programmable
items. Register r5Ch provides storage space for a user-
defined configuration or firmware version number. Bit
r5Dh[0] locks and unlocks the configuration registers.
Bit r5Dh[1] locks and unlocks EEPROM addresses 00h
to 11h. Write data to EEPROM r5Dh as normally done;
however, to toggle a bit in register r5Dh, write a ‘1’ to
that bit. The r65h[2:0] bits contain a read-only manufac-
turing revision code.
EEPROM
ADDRESS
5Ch
BIT RANGE
[7:0]
[0]
DESCRIPTION
User identification. Eight bits of memory for user-defined identification.
Configuration Lock
0 = Configuration registers and EEPROM writable.
1 = Configuration registers and EEPROM [except r5Dh] locked.
5Dh
[1]
[7:2]
EEPROM Fault Data Lock Flag (set automatically after fault log is triggered):
0 = EEPROM is not locked. A triggered fault log stores fault information to EEPROM.
1 = EEPROM addresses 00h to 11h are locked. Write a ‘1’ to this bit to toggle the flag.
Not used
48
65h
[2:0]
[7:3]
Manufacturing revision code. This register is read only. Not stored in EEPROM.
Not used
Maxim Integrated
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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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