LTC4215 Linear Technology, LTC4215 Datasheet - Page 21

• Manufacturer Part Number: LTC4215
• Description: Hot Swap Controller
• Manufacturer: Linear Technology

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APPLICATIO S I FOR ATIO
Table 4. STATUS Register C (02h)—Read
BIT
C7
C6
C5
C4
C3
C2
C1
C0
Table 5. FAULT Register D (03h)—Read/Write
BIT
D7:6
D5
D4
D3
D2
D1
D0
Table 6. SENSE Register E (04h)—Read/Write
BIT
E7:0
Table 7. SOURCE Register F (05h)—Read/Write
BIT
F7:0
Table 8. ADIN Register G (06h)—Read/Write*
BIT
G7:0
*The ADIN pin is not available in the GN16 package.
NAME
FET On
GPIO Input
FET Short
Present
EN
Power Bad
Overcurrent
Undervoltage
Overvoltage
NAME
Reserved
FET Short Fault
Occurred
EN Changed
State
Power Bad
Fault Occurred
Overcurrent
Fault Occurred
Undervoltage
Fault Occurred
Overvoltage
Fault Occurred
NAME
SENSE Voltage Measurement Sense Voltage Data. 8-Bit Data with 151µV LSB and 38.45mV Full Scale.
NAME
SOURCE Voltage Measurement
NAME
ADIN Voltage Measurement
U
OPERATION
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 1mV While FET is Off; 1 = FET is Shorted, 0 = FET is Not Shorted
Indicates if the LTC4215 is enabled when EN is low; 1 = EN Pin Low, 0 = EN 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 V
OPERATION
Indicates Potential FET Short was Detected when Measured Current Sense Voltage Exceeded 1mV While FET was Off;
1 = FET is Shorted, 0 = FET is Good
Indicates That the LTC4215 was Enabled or Disabled when EN Changed State; 1 = EN Changed State, 0 = EN Unchanged
Indicates Power was Bad when FB when Low; 1 = FB was Low, 0 = FB was High
Indicates Overcurrent Fault Occurred; 1 = Overcurrent Fault Occurred, 0 = Not Overcurrent Faults
Indicates Input Undervoltage Fault Occurred when UV went Low; 1 = UV was Low, 0 = UV was High
Indicates Input Overvoltage Fault Occurred when OV went High; 1 = OV was High, 0 = OV was Low
U
DD
or OV Input Overvoltage when OV is High; 1 = OV High, 0 = OV Low
OPERATION
OPERATION
ADIN Voltage Data. 8-Bit Data with 4.82mV LSB and 1.23V Full Scale.
W
OPERATION
Source Voltage Data. 8-Bit Data with 60.5mV LSB and 15.44V Full Scale.
U
LTC4215
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