BQ27620-G1 Datasheet, PDF (11/45 Pages) Texas Instruments – System-Side Impedance Track™ Fuel Gauge

bq27620-G1
www.ti.com
SLUSAE3 – OCTOBER 2012
4.1.1.1 Control( ): 0x00/0x01
Issuing a Control( ) command requires a subsequent 2-byte subcommand. These additional bytes specify
the particular control function desired. The Control( ) command allows the system to control specific
features of the bq27620-G1 during normal operation and additional features when the device is in different
access modes, as described in Table 4-2.
CNTL FUNCTION
CONTROL_STATUS
DEVICE_TYPE
FW_VERSION
HW_VERSION
PREV_MACWRITE
CHEM_ID
OCV_CMD
BAT_INSERT
BAT_REMOVE
SET_HIBERNATE
CLEAR_HIBERNATE
DF_VERSION
SEALED
OPTIMIZ
RESET
Table 4-2. Control( ) Subcommands
CNTL
DATA
0x0000
0x0001
0x0002
0x0003
0x0007
0x0008
0x000c
0x000d
0x000e
0x0011
0x0012
0x001F
0x0020
0x0030
0x0041
SEALED
ACCESS
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
DESCRIPTION
Reports the status of DF checksum, hibernate, IT, etc.
Reports the device type in hex digits. (type = 0x0620)
Reports the firmware version on the device type
Reports the hardware version of the device type
Returns previous MAC subcommand code
Reports the chemical identifier of the Impedance Track™ configuration
Request the gauge to take a OCV measurement
Forces the BAT_DET bit set when the [BIE] bit is 0
Forces the BAT_DET bit clear when the [BIE] bit is 0
Forces CONTROL_STATUS [HIBERNATE] to 1
Forces CONTROL_STATUS [HIBERNATE] to 0
Returns the Data Flash Version code
Places the bq27620-G1 in SEALED access mode
Sets the OPTIMIZ bit and enables the optimization cycle
Forces a full reset of the bq27620-G1
Copyright © 2012, Texas Instruments Incorporated
Submit Documentation Feedback
Product Folder Links: bq27620-G1
GENERAL DESCRIPTION
11