參數(shù)資料
型號： MAX6873ETJ
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 with Charge-Pump Outputs
中文描述： 4-CHANNEL POWER SUPPLY MANAGEMENT CKT, QCC32
封裝： 7 X 7 MM, 0.80 MM HEIGHT, MO-220, TQFN-32
文件頁數(shù)： 39/48頁
文件大?。?/td> 374K
代理商： MAX6873ETJ
MAX6872/MAX6873
EEPROM-Programmable, Hex/Quad,
Power-Supply Sequencers/Supervisors
44
______________________________________________________________________________________
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
depends on GPI_ asserts when GPI_ is held in its
active state, effectively acting as a manual reset input.
IN3
PO1
TO
LOAD
+5V
GND
MAX6872
MAX6873
Figure 9. Driving High-Side n-Channel MOSFET Switches
Table 28. Configuration Lock Register
REGISTER
ADDRESS
EEPROM
MEMORY
ADDRESS
BIT
RANGE
DESCRIPTION
[0]
0 = configuration unlocked.
1 = configuration locked.
45h
8045h
[7:1]
Not used.
Table 29. Write Disable Register
REGISTER
ADDRESS
EEPROM
MEMORY
ADDRESS
BIT
RANGE
DESCRIPTION
[0]
0 = write not disabled if PO1 asserts (MAX6872).
1 = write disabled if PO1 asserts (MAX6872). Set to 0 (MAX6873).
[1]
0 = write not disabled if PO2 asserts (MAX6872).
1 = write disabled if PO2 asserts (MAX6872). Set to 0 (MAX6873).
[2]
0 = write not disabled if PO3 (MAX6872)/PO1 (MAX6873) asserts.
1 = write disabled if PO3 (MAX6872)/PO1 (MAX6873) asserts.
[3]
0 = write not disabled if PO4 (MAX6872)/PO2 (MAX6873) asserts.
1 = write disabled if PO4 (MAX6872)/PO2 (MAX6873) asserts.
[4]
0 = write not disabled if PO5 (MAX6872)/PO3 (MAX6873) asserts.
1 = write disabled if PO5 (MAX6872)/PO3 (MAX6873) asserts.
[5]
0 = write not disabled if PO6 (MAX6872)/PO4 (MAX6873) asserts.
1 = write disabled if PO6 (MAX6872)/PO4 (MAX6873) asserts.
[6]
0 = write not disabled if PO7 (MAX6872)/PO5 (MAX6873) asserts.
1 = write disabled if PO7 (MAX6872)/PO5 (MAX6873) asserts.
43h
8043h
[7]
0 = write not disabled if PO8 asserts (MAX6872).
1 = write disabled if PO8 asserts (MAX6872). Set to 0 (MAX6873).
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參數(shù)描述
MAX6873ETJ+ 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(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)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(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel
MAX6873ETJ+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(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)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(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel
MAX6873ETJ-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(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)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(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel
MAX6874ETJ 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(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)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(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel
MAX6874ETJ+ 功能描述:監(jiān)控電路 EEPROM-Prog Hex 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(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)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(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel
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