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| 型号： | MAX6873ETJ+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 44/48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： | 2,500 |
| 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： | 带卷 (TR) |
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EEPROM-Programmable, Hex/Quad,
Power-Supply Sequencers/Supervisors
Table 28. Configuration Lock Register
REGISTER
ADDRESS
45h
EEPROM
MEMORY
ADDRESS
8045h
BIT
RANGE
[0]
[7:1]
0 = configuration unlocked.
1 = configuration locked.
Not used.
DESCRIPTION
Table 29. Write Disable Register
REGISTER
ADDRESS
43h
EEPROM
MEMORY
ADDRESS
8043h
BIT
RANGE
[0]
[1]
[2]
[3]
[4]
[5]
[6]
[7]
DESCRIPTION
0 = write not disabled if PO1 asserts (MAX6872).
1 = write disabled if PO1 asserts (MAX6872). Set to 0 (MAX6873).
0 = write not disabled if PO2 asserts (MAX6872).
1 = write disabled if PO2 asserts (MAX6872). Set to 0 (MAX6873).
0 = write not disabled if PO3 (MAX6872)/PO1 (MAX6873) asserts.
1 = write disabled if PO3 (MAX6872)/PO1 (MAX6873) asserts.
0 = write not disabled if PO4 (MAX6872)/PO2 (MAX6873) asserts.
1 = write disabled if PO4 (MAX6872)/PO2 (MAX6873) asserts.
0 = write not disabled if PO5 (MAX6872)/PO3 (MAX6873) asserts.
1 = write disabled if PO5 (MAX6872)/PO3 (MAX6873) asserts.
0 = write not disabled if PO6 (MAX6872)/PO4 (MAX6873) asserts.
1 = write disabled if PO6 (MAX6872)/PO4 (MAX6873) asserts.
0 = write not disabled if PO7 (MAX6872)/PO5 (MAX6873) asserts.
1 = write disabled if PO7 (MAX6872)/PO5 (MAX6873) asserts.
0 = write not disabled if PO8 asserts (MAX6872).
1 = write disabled if PO8 asserts (MAX6872). Set to 0 (MAX6873).
Uses for General-Purpose Inputs
(GPI1–GPI4)
Watchdog Timer
Program GPI_ as an input to one of the watchdog
timers in the MAX6872/MAX6873. The GPI_ input must
toggle within the watchdog timeout period, otherwise
any programmable output dependent on the watchdog
timer asserts.
Additional Manual Reset Functions
The PO7 (MAX6872)/PO5 (MAX6873) programmable
outputs allow a single set (product 1 only) of conditions
to assert the output. Program the set of conditions to
depend on one of the GPI_ inputs. Any output that
+5V
IN3
MAX6872
MAX6873
GND
PO1
TO
LOAD
depends on GPI_ asserts when GPI_ is held in its
active state, effectively acting as a manual reset input.
Figure 9. Driving High-Side n-Channel MOSFET Switches
44
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX6874ETJ | 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 |
| MAX6874ETJ+ | 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 |
| MAX6874ETJ+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 |
| MAX6874ETJ-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 |
| MAX6874TCC+ | 制造商:Maxim Integrated Products 功能描述: |
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