MIC2584 Datasheet, PDF (6/28 Pages) Micrel Semiconductor – Dual-Channel Hot Swap Controller/Sequencer

MIC2584/2585
Absolute Maximum Ratings (Note1)
All voltages are referred to GND)
Supply Voltage (V_CC1/V_CC2) .......................... –0.3V to 20V
SENSE1/SENSE2 pins .............................. –0.3V to V_CC1/2
TRK, ON, DIS1, DIS2, OUT1, OUT2,
/POR, /FAULT, PG1, PG2 pins .................. –0.3V to 15V
GATE1/GATE2 pin ......................................... –0.3V to 25V
All other input pins ........................................... -0.3V to 15V
DIS1/DIS2 current .................................................... ±25mA
Junction Temperature ............................................... 125°C
ESD Rating
Human body model ............................................... 1500V
Machine model ........................................................ 100V
Micrel
Operating Ratings (Note 2)
Supply Voltage
V_CC1 ......................................................................... 2.3V to 13.2V
V_CC2 ......................................................................... 1.0V to 13.2V
Operating Temperature Range .................. –40°C to +85°C
Package Thermal Resistance
R_θ(JA), 16-pin TSSOP ....................................... 99.1°C/W
R_θ(JA), 24-pin TSSOP ....................................... 83.8°C/W
Electrical Characteristics (Note 4)
2.3V ≤ V_CC1 ≤ 13.2V, 1.0V ≤ V_CC2 ≤ 13.2V, T_A = 25°C unless otherwise noted. Bold values indicate –40°C ≤ T_A ≤ 85°C.
Symbol
Parameter
Condition
Min Typ Max
V_CC1
I_CC1
V_CC2
I_CC2
V_UV1
Supply Voltage
Supply Current
Supply Voltage
Supply Current
V_CC1 Undervoltage Lockout
Threshold
V_CC2 ≤ V_CC1
2.3
1.0
2.050
1.7
0.05
2.165
13.2
3
13.2
0.15
2.275
V_UV1HYS
V_CC1 Undervoltage Lockout
200
Hysteresis
V_UV2
V_CC2 Undervoltage Lockout
Threshold
0.7
0.8
0.9
V_UV2HYS
V_CC2 Undervoltage Lockout
30
Hysteresis
V_TRIPSLOW
V_TRIPHYS
V_TRIPFAST
Slow Trip Overcurrent Threshold
Slow Trip Overcurrent Hysteresis
Fast Trip Overcurrent Threshold
V_CCx – V_SENSEx, V_CC1 = V_CC2 = 5V
42.5 50 57.5
2.5
x = J 90
100 110
V_CC1 = V_CC2 = 5V
x=K
150
x=L
200
V_GATE
I_GATE
I_GATEOFF
External Gate Drive
(GATE1 and GATE2)
GATE Pin Pull-up Current
GATE Pin Sink Current
V_GATEx – V_CCx
Start cycle
V_CC1 or V_CC2 > 5V
6
8
10
V_CC1 or V_CC2 < 5V 3.5
4.5
8
–25 –14
–8
/FAULT asserted
50
Turn off (ON deasserted)
30
45
70
R_DIS
I_TMR
Discharge Pin Resistance
Overcurrent Timer Pin Charge
Current
ON deasserted
TRK < 0.3V
V_CCx – V_SENSEx = 50mV
V_CCx = 2.3V
V_CCx = 5.0V
V_CCx = 13.2V
–3.5
170
70
50
–2.5
–1.5
Overcurrent Timer Pin Discharge
Current
V_CCx – V_SENSEx = 25mV
1.5
2.5
3.5
V_TMR
Overcurrent Timer Pin Threshold
1.190 1.235 1.290
Units
V
mA
V
mA
V
mV
V
mV
mV
mV
mV
mV
mV
V
V
µA
mA
µA
Ω
Ω
Ω
µA
µA
V
MIC2584/2585
6
March 2005