MAX11080 datasheet(23/27 Pages) MAXIM

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12-Channel, High-Voltage Battery-Pack

Fault Monitor

______________________________________________________________________________________

NUMBER

NAME

ACTION

EFFECT

Open (or Disconnected)

ALRML goes high as it causes an overvoltage to the affected input pair even if

the overvoltage is set to the maximum.

8C8

Short to Pin 9

• If short occurs before power-up, the part works as if C8 does not exist

because the internal circuit detects the situation and assumes it is what the

application intended to do. The monitoring of C8 to C7 is disabled and is not

enabled even if the short is removed.

• If short occurs after power-up, the situation is treated as a zero voltage input

for C8 to C7. ALRML goes high when the undervoltage is enabled.

Open (or Disconnected)

ALRML goes high as it causes an overvoltage to the affected input pair even if

the overvoltage is set to the maximum.

9C7

Short to Pin 10

• If short occurs before power-up, the part works as if C7 does not exist

because the internal circuit detects the situation and assumes it is what the

application intended to do. The monitoring of C7 to C6 is disabled and is not

enabled even if the short is removed.

• If short occurs after power-up, the situation is treated as a zero voltage input

for C7 to C6. ALRML goes high when the undervoltage is enabled.

Open (or Disconnected)

ALRML goes high as it causes an overvoltage to the affected input pair even if

the overvoltage is set to the maximum.

Short to Pin 11

• If short occurs before power-up, the part works as if C6 does not exist

because the internal circuit detects the situation and assumes it is what the

application intended to do. The monitoring of C6 to C5 is disabled and is not

enabled even if the short is removed.

• If short occurs after power-up, the situation is treated as a zero voltage input

for C6 to C5. ALRML goes high when the undervoltage is enabled.

Open (or Disconnected)

ALRML goes high as it causes an overvoltage to the affected input pair even if

the overvoltage is set to the maximum.

Short to Pin 12

• If short occurs before power-up, the part works as if C5 does not exist

because the internal circuit detects the situation and assumes it is what the

application intended to do. The monitoring of C5 to C4 is disabled and is not

enabled even if the short is removed.

• If short occurs after power-up, the situation is treated as a zero voltage input

for C5 to C4. ALRML goes high when the undervoltage is enabled.

Open (or Disconnected)

ALRML goes high as it causes an overvoltage to the affected input pair even if

the overvoltage is set to the maximum.

Short to Pin 13

• If short occurs before power-up, the part works as if C4 does not exist

because the internal circuit detects the situation and assumes it is what the

application intended to do. The monitoring of C4 to C3 is disabled and is not

enabled even if the short is removed.

• If short occurs after power-up, the situation is treated as a zero voltage input

for C4 to C3. ALRML goes high when the undervoltage is enabled.

Table 4. FEMA Analysis (Note 5) (continued)

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