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参数资料
| 型号： | MAX6871ETJ+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 31/51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： | 4 |
| 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： | 5 种可调阀值电压 |
| 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 with ADC
Table 21. PO8 (MAX6870 only) Output Dependency
REGISTER
ADDRESS
36h
37h
38h
39h
40h
EEPROM
MEMORY
ADDRESS
8036h
8037h
8038h
8039h
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]
[7]
OUTPUT ASSERTION CONDITIONS
1 = PO8 assertion depends on IN1 primary undervoltage threshold (Table 2).
1 = PO8 assertion depends on IN2 primary undervoltage threshold (Table 3).
1 = PO8 assertion depends on IN3 primary undervoltage threshold (Table 4).
1 = PO8 assertion depends on IN4 primary undervoltage threshold (Table 4).
1 = PO8 assertion depends on IN5 primary undervoltage threshold (Table 4).
1 = PO8 assertion depends on IN6 primary undervoltage threshold (Table 4).
1 = PO8 assertion depends on watchdog 1 (Tables 27 and 28).
1 = PO8 assertion depends on watchdog 2 (Tables 27 and 28).
1 = PO8 assertion depends on IN1 secondary undervoltage/overvoltage threshold (Table 2).
1 = PO8 assertion depends on IN2 secondary undervoltage/overvoltage threshold (Table 3).
1 = PO8 assertion depends on IN3 secondary undervoltage/overvoltage threshold (Table 4).
1 = PO8 assertion depends on IN4 secondary undervoltage/overvoltage threshold (Table 4).
1 = PO8 assertion depends on IN5 secondary undervoltage/overvoltage threshold (Table 4).
1 = PO8 assertion depends on IN6 secondary undervoltage/overvoltage threshold (Table 4).
1 = PO8 assertion depends on GPI1 (Table 6).
1 = PO8 assertion depends on GPI2 (Table 6).
1 = PO8 assertion depends on GPI3 (Table 6).
1 = PO8 assertion depends on GPI4 (Table 6).
1 = PO8 assertion depends on PO1 (Table 10).
1 = PO8 assertion depends on PO2 (Table 11).
1 = PO8 assertion depends on PO3 (Tables 12 and 13).
1 = PO8 assertion depends on PO4 (Tables 14 and 15).
1 = PO8 assertion depends on PO5 (Tables 16 and 17).
1 = PO8 assertion depends on PO6 (Tables 18 and 19).
1 = PO8 assertion depends on PO7 (Table 20).
1 = PO8 asserts when MR = low (Table 7).
Table 21 only applies to PO8 of the MAX6870. Write a 0
to a bit to make the PO8 output independent of the
respective signal (IN1 – IN6 primary or secondary
thresholds, WDI1 or WDI2, GPI1 – GPI4, MR , or other
programmable outputs).
Output Stage Configurations
Independently program each programmable output as
active-high or active-low (Table 22). Additionally, pro-
gram each programmable output as weak pullup, push-
pull, open-drain, or charge pump (Tables 23 and 24).
Every programmable output can be configured as
open-drain or weak pullup; however, only PO1 – PO4
(MAX6870) or PO1/PO2 (MAX6871) can be configured
as charge-pump outputs, and only PO5 – PO8
(MAX6870) or PO3/PO4/PO5 (MAX6871) can be config-
ured as push-pull outputs. Finally, set the PO_ timeout
period for each programmable output (Table 25).
An internal 10k ? resistor provides the pullup resistance
for outputs configured as weak pullup stages. Program
each weak pullup output stage to refer to ABP or one of
the IN3 – IN6 inputs. The programmable outputs source up
to 10mA and sink up to 4mA when configured as push-
pull stages. Program each push-pull output stage to ref-
erence to one of IN3 – IN6. PO1 – PO4 (MAX6870)/
PO1/P02 (MAX6871) pull to V ABP + 5V when configured
as charge-pump outputs.
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相关代理商/技术参数 |
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| MAX6871ETJ+ | 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 |
| MAX6871ETJ+T | 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 |
| MAX6871ETJ-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 |
| MAX6872ETJ | 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 |
| 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 |
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