ADM1178 Analog Devices, ADM1178 Datasheet - Page 3

• Manufacturer Part Number: ADM1178
• Description: Hot Swap Controller and Digital Power Monitor with ALERTB Output
• Manufacturer: Analog Devices

Specifications of ADM1178

• Operating Range(v): 3.15 to 16.5
• Uv & Ov Detection: ON pin (UV)
• Digital V & I Readback: I2C Interface,w/ 4 Addreses
• I Monitor Accuracy (+/-%): 2%
• Other Outputs: ALERTB
• Package: 10-Lead MSOP

SPECIFICATIONS
V
Table 1.
Parameter
VCC PIN
ON PIN
ALERTB PIN
SENSE PIN
GATE PIN
TIMER PIN
ADR PIN
CC
Operating Voltage Range, V
Supply Current, I
Undervoltage Lockout, V
Undervoltage Lockout Hysteresis, V
Input Current, I
Rising Threshold, V
Trip Threshold Hysteresis, V
Glitch Filter Time
Output Low Voltage, V
Input Current, I
Input Leakage, I
Overcurrent Fault Timing Threshold, V
Overcurrent Limit Threshold, V
Fast Overcurrent Trip Threshold, V
Drive Voltage, V
Pull-Up Current
Pull-Down Current
Pull-Up Current (Power-On Reset), I
Pull-Up Current (Fault Mode), I
Pull-Down Current (Retry Mode), I
Pull-Down Current, I
Trip Threshold High, V
Trip Threshold Low, V
Set Address to 00, V
Set Address to 01, R
Set Address to 10, I
Set Address to 11, V
Input Current for 11 Decode, I
Input Current for 00 Decode, I
= 3.15 V to 16.5 V, T
INON
ALERT
GATE
SENSE
CC
ONTH
ADRHIGHZ
ADRLOWV
ADRHIGHV
ADRLOWZ
TIMERDN
TIMERL
TIMERH
ALERTOL
A
= −40°C to +85°C, typical values at T
UVLO
ONHYST
CC
ADRHIGH
ADRLOW
TIMERUPFAULT
LIM
OCFAST
TIMERDNRETRY
TIMERUPPOR
UVLOHYST
OCTRIM
Min
3.15
−100
−2
1.26
35
−1
−1
92
97
3
9
7
8
−3.5
−40
1.26
0.175
0
135
−1
2
−40
Rev. C | Page 3 of 24
A
Typ
1.7
2.8
80
1.3
50
3
0.05
1
100
6
11
10
12.5
1.5
5
7
−5
−60
2
100
1.3
0.2
150
3
−22
= 25°C, unless otherwise noted.
Max
16.5
2.5
+100
1.34
65
1.5
+1
103
115
9
13
13
17
−80
3
0.225
0.8
165
+1
5.5
+2
0.1
+1
−6.5
1.34
10
Unit
V
mA
V
mV
nA
μA
V
mV
μs
V
V
μA
μA
mV
mV
mV
V
V
V
μA
mA
mA
mA
μA
μA
μA
μA
V
V
V
kΩ
μA
V
μA
μA
Conditions
VCC rising
ON < 1.5 V
ON rising
I
I
V
V
V
on the TIMER pin
V
regulation to a current limit
V
current turned on
V
V
V
V
V
V
V
Initial cycle, V
During current fault, V
After current fault and during a cooldown
period on a retry device, V
Normal operation, V
TIMER rising
TIMER falling
Low state
Resistor to ground state, load pin with
specified resistance for 01 decode
Open state, maximum load allowed on
ADR pin for 10 decode
High state
V
V
ALERT
ALERT
ALERT
SENSE
OCTRIM
LIM
OCFAST
GATE
GATE
GATE
GATE
GATE
GATE
GATE
ADR
ADR
= (V
= 2.0 V to 5.5 V
= 0 V to 0.8 V
= −100 μA
= −2 mA
− V
− V
− V
= 0 V
= 3 V, V
= 3 V, V
= 3 V, V
= V
= V
= (V
= (V
CC
CC
CC
CC
CC
CC
, V
, V
, V
− V
; ALERTB not asserted
CC
CC
CC
CC
CC
CC
CC
CC
− V
− V
TIMER
SENSE
= 3.15 V
= 5 V
= 16.5 V
= 3.15 V
= 5 V
= 16.5 V
SENSE
SENSE
), closed-loop
= 1 V
), gate pull-down
TIMER
), fault timing starts
TIMER
= 1 V
TIMER
= 1 V
ADM1178
= 1 V