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參數(shù)資料
| 型號： | MAX6875ETJ+T |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | EEPROM-Programmable, Hex/Quad, Power-Supply Sequencers/Supervisors |
| 中文描述： | 4-CHANNEL POWER SUPPLY MANAGEMENT CKT, PQCC32 |
| 封裝： | 7 X 7 MM, TQFN-32 |
| 文件頁數(shù)： | 16/40頁 |
| 文件大?。?/td> | 403K |
| 代理商： | MAX6875ETJ+T |
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MAX6874/MAX6875
EEPROM-Programmable, Hex/Quad,
Power-Supply Sequencers/Supervisors
______________________________________________________________________________________
23
Table 14 only applies to PO8 of the MAX6874. Write a 0
to a bit to make the PO8 output independent of the
respective signal (IN1–IN6 thresholds, WD, GPI1–GPI4,
MR, or other programmable outputs).
Output Stage Configurations
Independently program each programmable output as
active-high or active-low (Table 15). All programmable
outputs of the MAX6874/MAX6875 are open-drain only.
See Table 16 to set the timeout period for each output.
Open-Drain Output Configuration
Connect an external pullup resistor from the program-
mable output to an external voltage when configured as
an open-drain output. PO1–PO4 (PO1 and PO2 for the
MAX6875) may be pulled up to +13.2V. PO5–PO8
(PO3–PO5 for the MAX6875) may be pulled up to a
voltage less than or equal to ABP. Choose the pullup
resistor depending on the number of devices connect-
ed to the open-drain output and the allowable current
consumption. The open-drain output configuration
allows wire-ORed connections, and provides flexibility
in setting the pullup current.
Configuring the MAX6874/MAX6875
The MAX6874/MAX6875 factory-default configuration
sets all EEPROM registers to 00h except register 3Ah,
which is set to FFh. This configuration sets all of the pro-
grammable outputs as active-high (putting all outputs
into high-impedance states until the device is reconfig-
REGISTER
ADDRESS
EEPROM
MEMORY
ADDRESS
BIT
OUTPUT ASSERTION CONDITIONS
[0]
1 = PO8 assertion depends on IN1 undervoltage threshold (Table 2).
[1]
1 = PO8 assertion depends on IN2 undervoltage threshold (Table 3).
[2]
1 = PO8 assertion depends on IN3 undervoltage threshold (Table 4).
[3]
1 = PO8 assertion depends on IN4 undervoltage threshold (Table 4).
[4]
1 = PO8 assertion depends on IN5 undervoltage threshold (Table 4).
[5]
1 = PO8 assertion depends on IN6 undervoltage threshold (Table 4).
[6]
1 = PO8 assertion depends on watchdog (Tables 18 and 19).
36h
8036h
[7]
Must set to 0.
[5:0]
Must set to 0.
[6]
1 = PO8 assertion depends on GPI1 (Table 5).
37h
8037h
[7]
1 = PO8 assertion depends on GPI2 (Table 5).
[0]
1 = PO8 assertion depends on GPI3 (Table 5).
[1]
1 = PO8 assertion depends on GPI4 (Table 5).
[2]
1 = PO8 assertion depends on PO1 (Table 7).
[3]
1 = PO8 assertion depends on PO2 (Table 8).
[4]
1 = PO8 assertion depends on PO3 (Table 9).
[5]
1 = PO8 assertion depends on PO4 (Table 10).
[6]
1 = PO8 assertion depends on PO5 (Table 11).
38h
8038h
[7]
1 = PO8 assertion depends on PO6 (Table 12).
39h
8039h
[0]
1 = PO8 assertion depends on PO7 (Table 13).
40h
8040h
[7]
1 = PO8 asserts when MR = low (Table 6).
Table 14. PO8 (MAX6874 only) Output Dependency
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相關代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX6876ETX | 功能描述:監(jiān)控電路 RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監(jiān)視器:No Watchdog 電池備用開關:No Backup 上電復位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| MAX6876ETX+ | 功能描述:監(jiān)控電路 EEPROM-Prog Quad Power-Sup Sequencer RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監(jiān)視器:No Watchdog 電池備用開關:No Backup 上電復位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| MAX6876ETX+T | 功能描述:監(jiān)控電路 EEPROM-Prog Quad Power-Sup Sequencer RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監(jiān)視器:No Watchdog 電池備用開關:No Backup 上電復位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| MAX6876ETX-T | 功能描述:監(jiān)控電路 RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監(jiān)視器:No Watchdog 電池備用開關:No Backup 上電復位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| MAX6876EVCMOD2 | 功能描述:監(jiān)控電路 Programmers, Development Systems RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監(jiān)視器:No Watchdog 電池備用開關:No Backup 上電復位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
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