Seagate ST33000651SS Constellation ES.1 SAS Product Manual - Page 31

TB drive Standard & SED model, Notes, 0Gb mode, 0Gb mode, Voltage, 12V [4], Regulation

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Table 2: 2TB drive (Standard & SED model) DC power requirements Voltage Regulation Avg idle current DCX Advanced idle current Idle_A Idle_B Idle_C/ Standby_Y Standby_Z Transition current Idle_A - Active Idle_B - Active Idle_C - Active Standby - Active Maximum starting current (peak DC) DC (peak AC) AC Delayed motor start (max) DC Peak operating current (random read): Typical DCX Maximum DC Maximum (peak) DC Peak operating current (random write) Typical DCX Maximum DC Maximum (peak) DC Peak operating current (sequential read) Typical DCX Maximum DC Maximum (peak) DC Peak operating current (sequential write) Typical DCX Maximum DC Maximum (peak) DC Notes [5] [1] [7] 3.0Gb mode (Amps) +5V +12V [4] ±5% ±5% [2] 0.24 0.43 0.36 0.42 0.24 0.37 0.24 0.20 0.25 0.02 0.62 1.62 0.76 1.57 0.62 2.41 0.86 2.71 3σ [5] 0.62 2.11 3σ [5] 0.86 2.70 3σ [1] [6] 0.41 0.02 [1] [6] 0.44 0.59 3σ [1] 0.47 0.61 3σ 1.16 1.62 0.53 0.53 3σ 0.56 0.55 3σ 1.26 1.62 0.77 0.43 3σ 0.81 0.45 3σ 1.10 0.73 0.93 0.43 3σ 0.97 0.45 3σ 1.30 0.66 6.0Gb mode (Amps) +5V +12V [4] ±5% ±5% [2] 0.25 0.37 0.36 0.42 0.25 0.37 0.25 0.20 0.26 0.02 0.62 1.64 0.60 1.57 0.60 2.39 0.98 2.73 0.62 2.11 1.02 2.72 0.41 0.02 0.45 0.61 0.48 0.64 1.16 1.63 0.53 0.52 0.57 0.54 1.26 1.66 0.78 0.42 0.82 0.44 1.10 0.62 0.94 0.42 0.97 0.44 1.34 0.58 Constellation ES.1 SAS Product Manual, Rev. E 23

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Constellation ES.1 SAS Product Manual, Rev. E
23
Table 2:
2TB drive (Standard & SED model)
DC power requirements
Notes
3.0Gb mode
6.0Gb mode
(Amps)
(Amps)
Voltage
+5V
+12V [4]
+5V
+12V [4]
Regulation
[5]
±5%
±5% [2]
±5%
±5% [2]
Avg idle current DC
X
[1] [7]
0.24
0.43
0.25
0.37
Advanced idle current
Idle_A
0.36
0.42
0.36
0.42
Idle_B
0.24
0.37
0.25
0.37
Idle_C/ Standby_Y
0.24
0.20
0.25
0.20
Standby_Z
0.25
0.02
0.26
0.02
Transition current
Idle_A - Active
0.62
1.62
0.62
1.64
Idle_B - Active
0.76
1.57
0.60
1.57
Idle_C - Active
0.62
2.41
0.60
2.39
Standby - Active
0.86
2.71
0.98
2.73
Maximum starting current
(peak DC) DC
3
σ
[5]
0.62
2.11
0.62
2.11
(peak AC) AC
3
σ
[5]
0.86
2.70
1.02
2.72
Delayed motor start (max) DC
3
σ
[1] [6]
0.41
0.02
0.41
0.02
Peak operating current (random read):
Typical DC
X
[1] [6]
0.44
0.59
0.45
0.61
Maximum DC
3
σ
[1]
0.47
0.61
0.48
0.64
Maximum (peak) DC
3
σ
1.16
1.62
1.16
1.63
Peak operating current (random write)
Typical DC
X
0.53
0.53
0.53
0.52
Maximum DC
3
σ
0.56
0.55
0.57
0.54
Maximum (peak) DC
3
σ
1.26
1.62
1.26
1.66
Peak operating current (sequential read)
Typical DC
X
0.77
0.43
0.78
0.42
Maximum DC
3
σ
0.81
0.45
0.82
0.44
Maximum (peak) DC
3
σ
1.10
0.73
1.10
0.62
Peak operating current (sequential write)
Typical DC
X
0.93
0.43
0.94
0.42
Maximum DC
3
σ
0.97
0.45
0.97
0.44
Maximum (peak) DC
3
σ
1.30
0.66
1.34
0.58