MAX11081GUU+TW Maxim Integrated, MAX11081GUU+TW Datasheet - Page 26

• Manufacturer Part Number: MAX11081GUU+TW
• Description: Battery Management
• Manufacturer: Maxim Integrated
• Series: MAX11080, MAX11081r

Specifications of MAX11081GUU+TW

• Rohs: yes

12-Channel, High-Voltage
Battery-Pack Fault Monitors
Table 4. FMEA Analysis (Note 6) (continued)
26
NUMBER
PIN
______________________________________________________________________________________
20
21
22
23
24
25
26
27
28
OVSEL0
OVSEL1
OVSEL2
OVSEL3
ALRM
AGND
NAME
SHDN
V
CD
AA
L
Open (or Disconnected)
Short to Pin 21
Open (or Disconnected)
Short to Pin 22
Open (or Disconnected)
Short to Pin 23
Open (or Disconnected)
Short to Pin 24
Open (or Disconnected)
Short to Pin 25
Open (or Disconnected)
Short to Pin 26
Open (or Disconnected)
Short to Pin 27
Open (or Disconnected)
Short to Pin 28
Open (or Disconnected)
Short to Pin 29
ACTION
The pin defaults to low due to the internal pulldown (see Note 8). The effect
depends on the intended overvoltage setting.
• If pin 20 and pin 21 have the same intended value, there is no effect for the
• If pin 20 and pin 21 have a different setting, the V
The pin defaults to low due to the internal pulldown (see Note 8). The effect
depends on the intended overvoltage setting.
• If pin 21 and pin 22 have the same intended value, there is no effect for the
• If pin 21 and pin 22 have a different setting, the V
The pin defaults to low due to the internal pulldown (see Note 8). The effect
depends on the intended overvoltage setting.
• If pin 22 and pin 23 have the same intended value, there is no effect for the
• If pin 22 and pin 23 have a different setting, the V
The pin defaults to low due to the internal pulldown (see Note 8). The effect
depends on the intended overvoltage setting.
• If pin 23 is set high, there is no effect for the short.
• If pin 23 is set low, the V
ALRM
ALRM
V
no heartbeat if there is a one before the opening.
The device is in shutdown mode. ALRM
The pin is internally pulled down and the device goes to the shutdown mode.
ALRM
ALRM
detect circuit considers this a major failure and the part has to be repowered
up to come out of this state.
The signal at the ALRM
ALRM
detect circuit considers this a major failure and the part has to be repowered
up to come out of this state.
The delay between the fault condition and alarm setting (ALRM
goes to the minimum. This means there is almost no delay.
The delay between the fault condition and alarm setting (ALRM
approximately 4s, which is set by the internal watchdog.
AA
short.
ALRM
short.
ALRM
short.
ALRM
goes to approximately 100mV and ALRM
L
L
L
L
L
goes high.
goes low.
is low.
goes high and stays high even if the short is removed. The internal
goes high and stays high even if the short is removed. The internal
L
L
L
goes low.
goes low.
goes low.
L
cannot be seen by the host.
AA
is shorted to AGND. ALRM
EFFECT
L
is low.
L
is approximately 0.5V. There is
AA
AA
AA
is shorted to AGND.
is shorted to AGND.
is shorted to AGND.
L
goes low.
L
L
goes high)
goes high) is