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| 型号： | MAX6872ETJ+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 19/48页 |
| 文件大小： | 0K |
| 描述： | IC SEQUENCE/SUPERVISOR 32TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 43 |
| 类型： | 序列发生器 |
| 监视电压数目： | 6 |
| 输出： | 开路漏极，推挽式 |
| 复位： | 高有效/低有效 |
| 复位超时： | 可调节/可选择 |
| 电压 - 阀值： | 8 种可选阀值组合 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 32-WFQFN 裸露焊盘 |
| 供应商设备封装： | 32-TQFN-EP（5x5） |
| 包装： | 管件 |
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EEPROM-Programmable, Hex/Quad,
Power-Supply Sequencers/Supervisors
Table 9. PO2 (MAX6872 Only) Output Dependency
REGISTER
ADDRESS
12h
13h
14h
15h
40h
EEPROM
MEMORY
ADDRESS
8012h
8013h
8014h
8015h
8040h
BIT
[0]
[1]
[2]
[3]
[4]
[5]
[6]
[7]
[0]
[1]
[2]
[3]
[4]
[5]
[6]
[7]
[0]
[1]
[2]
[3]
[4]
[5]
[6]
[7]
[0]
[1]
OUTPUT ASSERTION CONDITIONS
1 = PO2 assertion depends on IN1 primary undervoltage threshold (Table 2).
1 = PO2 assertion depends on IN2 primary undervoltage threshold (Table 3).
1 = PO2 assertion depends on IN3 primary undervoltage threshold (Table 4).
1 = PO2 assertion depends on IN4 primary undervoltage threshold (Table 4).
1 = PO2 assertion depends on IN5 primary undervoltage threshold (Table 4).
1 = PO2 assertion depends on IN6 primary undervoltage threshold (Table 4).
1 = PO2 assertion depends on watchdog 1 (Tables 25 and 26).
1 = PO2 assertion depends on watchdog 2 (Tables 25 and 26).
1 = PO2 assertion depends on IN1 secondary undervoltage/overvoltage threshold (Table 2).
1 = PO2 assertion depends on IN2 secondary undervoltage/overvoltage threshold (Table 3).
1 = PO2 assertion depends on IN3 secondary undervoltage/overvoltage threshold (Table 4).
1 = PO2 assertion depends on IN4 secondary undervoltage/overvoltage threshold (Table 4).
1 = PO2 assertion depends on IN5 secondary undervoltage/overvoltage threshold (Table 4).
1 = PO2 assertion depends on IN6 secondary undervoltage/overvoltage threshold (Table 4).
1 = PO2 assertion depends on GPI1 (Table 5).
1 = PO2 assertion depends on GPI2 (Table 5).
1 = PO2 assertion depends on GPI3 (Table 5).
1 = PO2 assertion depends on GPI4 (Table 5).
1 = PO2 assertion depends on PO1 (Table 8).
1 = PO2 assertion depends on PO3 (Tables 10 and 11).
1 = PO2 assertion depends on PO4 (Tables 12 and 13).
1 = PO2 assertion depends on PO5 (Tables 14 and 15).
1 = PO2 assertion depends on PO6 (Tables 16 and 17).
1 = PO2 assertion depends on PO7 (Table 18).
1 = PO2 assertion depends on PO8 (Table 19).
1 = PO2 asserts when MR = low (Table 6).
age threshold, and the states of GPI2 and WD1. Write
ones to R19h[6, 0] and R1Ah[7] to configure Product 2
as indicated. IN1 must be above the primary undervolt-
age threshold ( Table 2), GPI2 must be inactive ( Table
5), and the WD1 timer must not have expired (Tables 25
and 26) for Product 2 to be a logical 1. Product 2 is
equivalent to the logic statement: V1A ? GPI2 ? WD1.
PO3 deasserts if either Product 1 or Product 2 is a logi-
cal 1. The logical statement: Product 1 + Product 2
determines the state of PO3.
T able 8 only applies to PO1 of the MAX6872. Write a 0
to a bit to make the PO1 output independent of the
respective signal (IN1 –IN6 primary or secondary
thresholds, WD1 or WD2, GPI1–GPI4, MR , or other pro-
grammable outputs).
T able 9 only applies to PO2 of the MAX6872. Write a 0
to a bit to make the PO2 output independent of the
respective signal (IN1 –IN6 primary or secondary
thresholds, WD1 or WD2, GPI1–GPI4, MR , or other pro-
grammable outputs).
______________________________________________________________________________________
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| MAX6872ETJ+ | 功能描述:监控电路 EEPROM-Prog Hex Power-Sup Sequencer 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 |
| MAX6872ETJ+T | 功能描述:监控电路 EEPROM-Prog Hex Power-Sup Sequencer 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 |
| MAX6872ETJ-T | 功能描述:监控电路 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 |
| MAX6873ETJ | 功能描述:监控电路 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 |
| MAX6873ETJ+ | 功能描述:监控电路 EEPROM-Prog Quad Power-Sup Sequencer 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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