Table 3:

1000GB Drive DC power requirements

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1.5Gb mode

 

 

3.0Gb mode

 

 

 

 

 

 

 

 

 

 

 

Voltage

 

+5V

+12V

 

Power

+5V

+12V

 

Power

 

 

 

 

 

 

 

 

 

Regulation

±5%

±5%

 

(Watts)

±5%

±5%

 

(Watts)

Avg Idle Current *

0.27

0.27

 

4.59

0.27

0.27

 

4.61

Advanced Idle Current *

 

 

 

 

 

 

 

 

 

Idle_A

0.14

0.27

 

3.86

0.15

0.27

 

3.99

 

 

 

 

 

 

 

 

 

 

 

Idle_B

0.14

0.23

 

3.53

0.15

0.23

 

3.56

 

 

 

 

 

 

 

 

 

 

 

Idle_C

0.14

0.08

 

1.70

0.15

0.08

 

1.73

 

 

 

 

 

 

 

 

 

 

 

Standby

0.09

0.01

 

0.54

0.10

0.01

 

0.57

Transition

Current *

 

 

 

 

 

 

 

 

 

Idle_A (Active)

0.86

0.98

 

16.06

0.86

1.06

 

17.02

 

 

 

 

 

 

 

 

 

 

 

Idle_B (Active)

0.80

1.32

 

19.90

0.76

1.27

 

19.02

 

 

 

 

 

 

 

 

 

 

 

Idle_C (Active)

0.76

2.76

 

36.98

0.82

2.81

 

37.78

 

 

 

 

 

 

 

 

 

 

 

Standby (Active)

0.78

2.99

 

39.73

0.78

3.01

 

39.98

Average

Sleep Current

0.09

0.01

 

0.57

0.10

0.01

 

0.59

Maximum Start Current

 

 

 

 

 

 

 

 

 

DC (peak DC)

0.38

2.05

 

26.44

0.38

2.05

 

26.45

 

 

 

 

 

 

 

 

 

 

 

AC (Peak DC)

0.59

2.98

 

38.76

0.69

2.99

 

39.29

 

 

 

 

 

 

 

 

 

 

Delayed Motor Start (DC max)

0.11

0.01

 

0.66

0.11

0.01

 

0.64

Peak operating current (random read):

 

 

 

 

 

 

 

 

 

Typical DC

0.30

0.49

 

7.41

0.31

0.49

 

7.42

 

 

 

 

 

 

 

 

 

 

 

Maximum DC

0.31

0.50

 

7.52

0.32

0.50

 

7.56

 

 

 

 

 

 

 

 

 

 

 

Maximum DC(peak)

0.96

1.54

 

23.28

0.96

1.54

 

23.28

Peak

operating current (random write)

 

 

 

 

 

 

 

 

 

Typical DC

0.32

0.38

 

6.20

0.33

0.38

 

6.21

 

 

 

 

 

 

 

 

 

 

 

Maximum DC

0.33

0.39

 

6.30

0.34

0.39

 

6.34

 

 

 

 

 

 

 

 

 

 

 

Maximum DC(peak)

1.30

1.58

 

25.46

1.30

1.58

 

25.46

Peak

operating current (sequential read)

 

 

 

 

 

 

 

 

 

Typical DC

0.65

0.28

 

6.64

0.65

0.28

 

6.63

 

 

 

 

 

 

 

 

 

 

 

Maximum DC

0.66

0.29

 

6.75

0.67

0.28

 

6.74

 

 

 

 

 

 

 

 

 

 

 

Maximum DC(peak)

1.00

0.62

 

12.44

1.02

0.62

 

12.54

Peak

operating current (sequential write)

 

 

 

 

 

 

 

 

 

Typical DC

0.68

0.28

 

6.79

0.68

0.28

 

6.78

 

 

 

 

 

 

 

 

 

 

 

Maximum DC

0.70

0.29

 

6.92

0.70

0.28

 

6.90

 

 

 

 

 

 

 

 

 

 

 

Maximum DC(peak)

1.26

0.74

 

15.18

1.28

0.60

 

13.60

10

Constellation ES Serial ATA Product Manual, Rev. D

Page 16
Image 16
Seagate ST3500514NS, ST31000524NS, ST32000644NS manual 1000GB Drive DC power requirements