參數(shù)資料
型號(hào): LTC4260IUH
廠商: LINEAR TECHNOLOGY CORP
元件分類(lèi): 電源管理
英文描述: Positive High Voltage Hot Swap Controller with I2C Compatible Monitoring
中文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC32
封裝: 5 X 5 MM, PLASTIC, QFN-32
文件頁(yè)數(shù): 22/28頁(yè)
文件大小: 266K
代理商: LTC4260IUH
LTC4260
22
4260f
APPLICATIOU
W
U
U
Table 4. ALERT Register B (01h)—Read/Write
BIT
NAME
B7
Reserved
B6
GPIO Output
B5
FET Short Alert
OPERATION
Not Used
Output Data Bit to GPIO Pin When Configured as Output. Defaults to 0
Enables Alert for FET Short Condition
1 = Enable Alert, 0 = Disable Alert (Default)
Enables Alert When BD_PRST Changes State
1 = Enable Alert, 0 = Disable Alert (Default)
Enables Alert when Output Power is Bad
1 = Enable Alert, 0 = Disable Alert (Default)
Enables Alert for Overcurrent Condition
1 = Enable Alert, 0 = Disable Alert (Default)
Enables Alert for Undervoltage Condition
1 = Enable Alert, 0 = Disable Alert (Default)
Enables Alert for Overvoltage Condition
1 = Enable Alert, 0 = Disable Alert (Default)
B4
BD_PRST State Change Alert
B3
Power Bad Alert
B2
Overcurrent Alert
B1
Undervoltage Alert
B0
Overvoltage Alert
Table 5. STATUS Register C (02h)—Read Only
BIT
NAME
C7
FET On
OPERATION
Indicates State of FET
1 = FET On, 0 = FET Off
State of the GPIO Pin
1 = GPIO High, 0 = GPIO Low
Indicates Potential FET Short if Current Sense Voltage Exceeds 2mV While FET is Off
1 = FET is Shorted, 0 = FET is Not Shorted
Indicates if a Board is Present When BD_PRST is Low
1 = BD_PRST Pin Low, 0 = BD_PRST Pin High
Indicates Power is Bad When FB is Low
1 = FB Low, 0 = FB High
Indicates Overcurrent Condition During Cool Down Cycle
1 = Overcurrent, 0 = Not Overcurrent
Indicates Input Undervoltage When UV is Low
1 = UV Low, 0 = UV High
Indicates Input Overvoltage When OV is High
1 = OV High, 0 = OV Low
C6
GPIO Input
C5
FET Short Present
C4
Board Present
C3
Power Bad
C2
Overcurrent
C1
Undervoltage
C0
Overvoltage
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