BQ24296_15 Datasheet, PDF (38/55 Pages) Texas Instruments – bq2429x I2C Controlled 3-A Single Cell USB Charger With Narrow VDC Power Path Management and Adjustable Voltage USB OTG

bq24296, bq24297
SLUSBP6B – SEPTEMBER 2013 – REVISED NOVEMBER 2014
9.6.1.8 Misc Operation Control Register REG07 [reset = 01001011, or 4B]
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Figure 36. Misc Operation Control Register REG07 Format
7
6
DPDM_EN TMR2X_EN
R/W
R/W
LEGEND: R/W = Read/Write
5
BATFET_Disable
R/W
4
Reserved
R/W
3
Reserved
R/W
2
Reserved
R/W
1
INT_MASK[1]
R/W
0
INT_MASK[0]
R/W
Table 15. Misc Operation Control Register REG07 Field Description
BIT FIELD
TYPE
RESET DESCRIPTION
Force DPDM detection
Bit 7 DPDM_EN
R/W
0
0 – Not in D+/D– detection;
1 – Force D+/D– detection when
VBUS power is presence
Safety Timer Setting during Input DPM and Thermal Regulation
Bit 6 TMR2X_EN
R/W
1
0 – Safety timer not slowed by 2X
during input DPM or thermal
regulation,
1 – Safety timer slowed by 2X
during input DPM or thermal
regulation
Force BATFET Off
Bit 5 BATFET_Disable R/W
0
0 – Allow BATFET (Q4) turn on,
1 – Turn off BATFET (Q4)
Bit 4 Reserved
R/W
0
0 - Reserved
Bit 3 Reserved
R/W
1
1 - Reserved
Bit 2 Reserved
R/W
0
0 - Reserved
Bit 1 INT_MASK[1]
R/W
1
0 – No INT during CHRG_FAULT,
1 – INT on CHRG_FAULT
Bit 0 INT_MASK[0]
R/W
1
0 – No INT during BAT_FAULT,
1 – INT on BAT_FAULT
NOTE
Default: Not in D+/D– detection (0), Back to 0
after detection complete
Default: Safety timer slowed by 2X (1)
Default: Allow BATFET (Q4) turn on(0)
Default: INT on CHRG_FAULT (1)
Default: INT on BAT_FAULT (1)
9.6.1.9 System Status Register REG08
Figure 37. System Status Register REG08 Format
7
6
VBUS_STAT[1] VBUS_STAT[0]
R
R
LEGEND: R = Read only
5
CHRG_STAT[1]
R
4
CHRG_STAT[0]
R
3
DPM_STAT
R
2
PG_STAT
R
1
THERM_STAT
R
0
VSYS_STAT
R
Table 16. System Status Register REG08 Field Description
BIT
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
FIELD
VBUS_STAT[1]
VBUS_STAT[0]
CHRG_STAT[1]
CHRG_STAT[0]
DPM_STAT
PG_STAT
THERM_STAT
VSYS_STAT
TYPE
R
R
R
R
R
R
R
R
DESCRIPTION
00 – Unknown (no input, or DPDM detection incomplete), 01 – USB host, 10 – Adapter port, 11 –
OTG
00 – Not Charging, 01 – Pre-charge (<V_BATLOWV), 10 – Fast Charging, 11 – Charge Termination
Done
0 – Not DPM, 1 – VINDPM or IINDPM
0 – Not Power Good, 1 – Power Good
0 – Normal, 1 – In Thermal Regulation
0 – Not in VSYSMIN regulation (BAT > VSYSMIN), 1 – In VSYSMIN regulation (BAT <
VSYSMIN)
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