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BQ27410DRZR-G1 Datasheet(PDF) 9 Page - Texas Instruments |
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BQ27410DRZR-G1 Datasheet(HTML) 9 Page - Texas Instruments |
9 / 29 page bq27410-G1 www.ti.com SLUSAF4 – MARCH 2011 CONTROL_STATUS: 0x0000 Instructs the fuel gauge to return status information to control addresses 0x00/0x01. The status word includes the following information. Table 3. CONTROL_STATUS Bit Definitions bit7 bit6 bit5 bit4 bit3 bit2 bit1 bit0 High Byte HIBE FAS SS RSVD CCA RSVD QMAXU RESU Low Byte INITCOMP HIBERNATE FULLSLEEP SLEEP RSVD RUP_DIS VOK RSVD Status bit indicating that Hibernate mode has been Entered. The bit is cleared if a CLEAR_HIBERNATE subcommand is HIBE = received. Active when set. FAS = Status bit indicating the bq27410 is in FULL ACCESS SEALED state. Active when set. SS = Status bit indicating the bq27410 is in the SEALED State. Active when set. Status bit indicating the bq27410 Coulomb Counter Auto-Calibration routine is active. The CCA routine will take place CCA = approximately 3 minutes and 45 seconds after the initialization. Active when set. Status bit indicating Qmax has Updated. True when set. This bit is cleared after power on reset or when [BAT_DET] bit is QMAXU = set. When this bit is cleared, it enables fast learning of battery Qmax. Status bit indicating that resistance has been updated. True when set. This bit is cleared after power on reset or when RESU = [BAT_DET] bit is set. Also this bit can only be set after Qmax is updated or QMAXU is set. When this bit is cleared, it enables fast learning of battery impedance. INITCOMP = Initialization completion bit indicating the initialization completed. True when set. HIBERNATE = Status bit indicating a request for entry into HIBERNATE from SLEEP mode has been issued. True when set. Default is 0. Status bit indicating the BQ27410 is in FULLSLEEP mode. True when set. The state can be detected by monitoring the FULLSLEEP = power used by the BQ27410 because any communication will automatically clear it. SLEEP = Status bit indicating the bq27410 is in SLEEP mode. True when set. RSVD (bit 3) = This bit reserved and may change state at any time during device operation. RUP_DIS = Status bit indicating the bq27410 Ra table updates are disabled. Updates disabled when set.. VOK = Status bit indicating cell voltages are OK for Qmax updates. True when set. RSVD = Reserved for future use. DEVICE_TYPE: 0x0001 Instructs the fuel gauge to return the device type to addresses 0x00/0x01. FW_VERSION: 0x0002 Instructs the fuel gauge to return the firmware version to addresses 0x00/0x01. HW_VERSION: 0x0003 Instructs the fuel gauge to return the hardware version to addresses 0x00/0x01. PREV_MACWRITE: 0x0007 Instructs the fuel gauge to return the previous command written to addresses 0x00/0x01. The value returned is limited to less than 0x0015. BAT_INSERT: 0X000C This subcommand forces the Flags() [BAT_DET] bit to set when the battery insertion detection is disabled via OpConfig[BIE=0]. In this case, the gauge does not detect battery insertion from the BIN pin ’s logic state, but relies on the BAT_INSERT host subcommand to indicate battery presence in the system. This subcommand also starts Impedance Track ™ gauging. BAT_REMOVE: 0X000D This subcommand forces the Flags() [BAT_DET] bit to clear when the battery insertion detection is disabled via OpConfig[BIE=0]. In this case, the gauge does not detect battery removal from the BIN pin ’s logic state, but relies on the BAT_REMOVE host subcommand to indicate battery removal from the system. Copyright © 2011, Texas Instruments Incorporated Submit Documentation Feedback 9 |
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