BQ25895_16 Datasheet, PDF (34/67 Pages) Texas Instruments – Adjustable Voltage 3.1-A Boost Operation

bq25895
SLUSC88A – MARCH 2015 – REVISED MAY 2016
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8.4.2 REG01
Figure 27. REG01
7
6
5
4
3
2
1
0
0
0
0
0
0
1
1
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Table 9. REG01
Bit
Field
7
BHOT[1]
6
BHOT[0]
5
BCOLD
4
VINDPM_OS[4]
3
VINDPM_OS[3]
2
VINDPM_OS[2]
1
VINDPM_OS[1]
0
VINDPM_OS[0]
Type
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Reset
by REG_RST
by Watchdog
by REG_RST
by Watchdog
by REG_RST
by Watchdog
by REG_RST
by REG_RST
by REG_RST
by REG_RST
by REG_RST
Description
Boost Mode Hot Temperature Monitor Threshold
00 – V_BHOT1 Threshold (34.75%) (default)
01 – V_BHOT0 Threshold (Typ. 37.75%)
10 – V_BHOT2 Threshold (Typ. 31.25%)
11 – Disable boost mode thermal protection
Boost Mode Cold Temperature Monitor Threshold
0 – V_BCOLD0 Threshold (Typ. 77%) (default)
1 – V_BCOLD1 Threshold (Typ. 80%)
1600mV
800mV
400mV
200mV
100mV
Input Voltage Limit Offset
Default: 600mV (00110)
Range: 0mV – 3100mV
Minimum VINDPM threshold is clamped at 3.9V
Maximum VINDPM threshold is clamped at 15.3V
When VBUS at noLoad is ≤ 6V, the VINDPM_OS is used
to calculate VINDPM threhold
When VBUS at noLoad is > 6V, the VINDPM_OS multiple
by 2 is used to calculate VINDPM threshold.
34
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