SS4002AG datasheet(13/23 Pages) SSC

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SS4002AG

12/16/2005 Rev.3.01

DeviceChemistry() (0x22)

This read-only string returns a character string where

the first byte is the number of characters available. The

maximum number of characters is 5. The 5-byte

character string contains the battery's chemistry. The

SS4002AG supports Li-Ion type battery cells only.

Output: string or ASCII character string

ManufacturerData() (0x23)

This read-only string allows access to an up to 5-byte

manufacturer data string.

Output: block data – data whose meaning is assigned

by the Smart Battery's manufacturer.

PackConfigure/Status (0x2f)

This read-only register returns an unsigned integer

representing the pack configuration and current status

of the battery pack. The MSB represents pack

configuration and the LSB represents the pack status.

See Table 4 and Table 5 for the bit description for

PackConfigure and PackStatus.

VCELL4 (0x3c)

This read-only word returns the measured voltage of the

battery cell 4.

Output: The battery cell4 output voltage in mV.

Units: mV

Range: 0 to 65,535mV

Accuracy: ? 1% of DesignVoltage after calibration

VCELL3 (0x3d)

This read-only word returns the measured voltage of the

battery cell 3.

Output: The battery cell3 output voltage in mV.

Units: mV

Range: 0 to 65,535mV

Accuracy: ? 1% of DesignVoltage after calibration

VCELL2 (0x3e)

This read-only word returns the measured voltage of the

battery cell 2.

Output: The battery cell2 output voltage in mV.

Units: mV

Range: 0 to 65,535mV

Accuracy: ? 1% of DesignVoltage after calibration

VCELL1 (0x3f)

This read-only word returns the measured voltage of the

battery cell 1.

Output: The battery cell1 output voltage in mV.

Units: mV

Range: 0 to 65,535mV

Accuracy: ? 1% of DesignVoltage after calibration

Download EEPROM (0xf0)

This download command is designed for writing data

into EEPROM. Download data from Control PC through

SMBus will be relayed by SS4002AG to send to onboard

EEPROM via I

2C bus. To protect data in EEPROM

against illegal access or unintentional updating, an

access code is required following the command code

“0xf0”. Operation procedure in detail, please refer to

“Operation procedure for calibration and download”.

Reset (0xf5)

This reset command provides the system user a manner

to reset the pack when unexpected condition occurs.

Operation procedure in detail, please refer to “Operation

procedure for calibration and download”.

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