BQ28Z560-R1 datasheet(21/60 Pages) TI1

21 / 60 page

bq28z560-R1

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SLUSBD3 – APRIL 2013

Table 4. Control() Subcommands (continued)

SEALED

CNTL FUNCTION

CNTL DATA

DESCRIPTION

ACCESS

FW_VERSION

0x0002

Yes

Reports the firmware version on the device type

HW_VERSION

0x0003

Yes

Reports the hardware version of the device type

Reserved

0x0004

Not to be used

RESET_DATA

0x0005

Returns reset data

Reserved

0x0006

Not to be used

PREV_MACWRITE

0x0007

Returns previous MAC command code

CHEM_ID

0x0008

Yes

Reports the chemical identifier of the Impedance Track configuration

BOARD_OFFSET

0x0009

Forces the device to measure and store the board offset

CC_OFFSET

0x000A

Forces the device to measure and internal CC offset

CC_OFFSET_SAVE

0x000B

Forces the device to store the internal CC offset

DF_VERSION

0x000C

Yes

Reports the data flash version on the device

SET_FULLSLEEP

0x0010

Set the [FULLSLEEP] bit in Control Status register to 1

SET_HIBERNATE

0x0011

Yes

Forces CONTROL_STATUS [HIBERNATE] to 1

CLEAR_HIBERNATE

0x0012

Yes

Forces CONTROL_STATUS [HIBERNATE] to 0

Forces CONTROL_STATUS [SHUTDOWN] to 1. SET_SHUTDOWN

SET_SHUTDOWN

0x0013

Yes

enables the system to enter into SHUTDOWN mode.

CLEAR_SHUTDOWN

0x0014

Yes

Forces CONTROL_STATUS [SHUTDOWN] to 0

SET_HDQINTEN

0x0015

Yes

Forces CONTROL_STATUS [HDQIntEn] to 1

CLEAR_HDQINTEN

0x0016

Yes

Forces CONTROL_STATUS [HDQIntEn] to 0

STATIC_CHEM_CHKSUM

0x0017

Yes

Calculates chemistry checksum

HOST_DISCONNECT

0x0018

Yes

Forces the DOUT pin low to disable discharge

Clears DSGFETOFF, allowing DOUT to go high if no other conditions force

HOST_CONNECT

0x0019

Yes

it low

SEALED

0x0020

Places the bq28z560-R1 in SEALED ACCESS mode

IT_ENABLE

0x0021

Enables the Impedance Track algorithm

CAL_ENABLE

0x002d

Toggle bq28z560-R1 CALIBRATION mode

RESET

0x0041

Forces a full reset of the bq28z560-R1

EXIT_CAL

0x0080

Exit bq28z560-R1 CALIBRATION mode

ENTER_CAL

0x0081

Enter bq28z560-R1 CALIBRATION mode

OFFSET_CAL

0x0082

Reports internal CC offset in CALIBRATION mode

CONTROL_STATUS: 0x0000

Instructs the gas gauge to return status information to Control addresses 0x00/0x01. The status word includes

the following information.

Table 5. CONTROL_STATUS Flags

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

High Byte

DSGFETOFF

FAS

CALMODE

CCA

BCA

CSV

HDQIntEn

Low Byte

SHUTDOWN

HIBERNATE

FULLSLEEP

SLEEP

LDMD

RUP_DIS

VOK

QEN

DSGFETOFF = State bit indicating the DISCHARGE FET has been disabled by HOST (HOST DISCONNECT).

FAS = Status bit indicating the bq28z560-R1 is in FULL ACCESS SEALED state. Active when set.

SS = Status bit indicating the bq28z560-R1 is in the SEALED state. Active when set.

CALMODE = Status bit indicating the calibration function is active. True when set. Default is 0.

Status bit indicating the bq28z560-R1 coulomb counter Calibration routine is active. The CCA routine takes place

CCA =

approximately 1 minute after the initialization and periodically as gauging conditions change. Active when set.

BCA = Status bit indicating the bq28z560-R1 Board Calibration routine is active. Active when set.

CSV = Status bit indicating a valid data flash checksum has been generated. Active when set.

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