Seagate ST380020ACE Typical current profile, Power Mode Typical Watts Typical Amps Means 12V

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U Series CE Family Product Manual, Rev. A				9

Power Mode	Typical Watts		Typical Amps Means

			5V	12V
			5V	12V


Spinup	—		0.75	2.5

Seek (Random,
no read/write)
Performance mode	7.5		0.83	0.279

Operating (read/write)
Performance mode	7.5		0.94	0.233

Idle	5.0		0.63	0.154

Standby	1.2		0.2	0.017

Sleep	0.9		0.15	0.0125

1.7.1.1 Typical current profile

Current (amps) 2.0

1.5

1.0

0.5

0

-0.5

-1.0

-1.5

-2.0

1

2

3

4

5

6

7

Time (seconds)

Figure 1. Typical startup and operation current profile

Image 17

Contents Series CE Family Page Series CE Family Page Contents ATA interface Configuring and mounting the driveFigures Series CE Family Product Manual, Rev. a Introduction Specification summary table Track-to-track seek Time msec typical Altitude meters be Low mean sea level Formatted capacity Default logical geometryLBA Mode Recording and interface technology Physical characteristicsPhysical organization Start/stop times Seek timePower consumption Power specificationsTypical current profile Power Mode Typical Watts Typical Amps Means 12VVoltage tolerance Power-management modesConducted noise Temperature gradient Environmental tolerances Ambient temperatureSleep mode Idle and Standby timersHumidity 3.1 Relative Humidity 3.2 Wet bulb temperatureAltitude ShockDrive acoustics Operating vibrationNonoperating vibration Reliability Agency certification 1.12.1 Safety certificationElectromagnetic immunity Korean RRL Electromagnetic compatibilityTaiwan Bsmi Australian C-Tick N176 FCC verificationHandling and static-discharge precautions Configuring and mounting the driveOptions jumper block Jumper settings Master/slave configurationDrive as master with a non-ATA-compatible slave Ultra ATA/100 cable Cable-select optionAlternate capacity jumper Drive mounting Recommended Case temperature Measurement locationATA interface ATA interface signals and connector pinsO pins and supported ATA signals Command name Command code in hex ATA-standard commands Supported ATA commandsCommand name Identify Drive commandATA-standard power-management commands ATA-standard security commands0C5AH Word DescriptionXx07H Word Description ValueXx3FH Bit Word Description if bit is set to Bit WordSet Features command 0AH Code in Features A.R.T. Command Register 4 S.M.A.R.T. commandsSeries CE Family Product Manual, Rev. a Series CE Family Product Manual, Rev. a Series CE Family Product Manual, Rev. a Series CE Family Product Manual, Rev. a Series CE Family Product Manual, Rev. a