BQ25700A Datasheet, PDF (57/82 Pages) Texas Instruments – SMBus Multi-Chemistry Battery Buck-Boost Charge Controller With System Power Monitor and Processor Hot Monitor

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bq25700A
SLUSCQ8 – MAY 2017
8.6.7 OTGVoltage Register (SMBus address = 3Bh) [reset = 0h]
To set the OTG output voltage limit, write to REG0x3B() using the data format listed in Table 37 and Table 38.
The DC offset is 4.48 V (0000000).
Figure 32. OTGVoltage Register (SMBus address = 3Bh) [reset = 0h]
15
14
Reserved
R/W
13
OTG Voltage,
bit 7
R/W
12
OTG Voltage,
bit 6
R/W
11
OTG Voltage,
bit 5
R/W
10
OTG Voltage,
bit 4
R/W
9
OTG Voltage,
bit 3
R/W
7
6
5
4
3
2
1
OTG Voltage, OTG Voltage,
bit 1
bit 0
Reserved
R/W
R/W
R/W
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Table 37. OTGVoltage Register (SMBus address = 3Bh) Field Descriptions
SMBus
BIT
15-14
13
12
11
10
9
8
FIELD
TYPE
RESET
DESCRIPTION
Reserved
R/W
00b
Not used. 1 = invalid write.
OTG Voltage, bit 7
R/W
0b
0 = Adds 0 mV of OTG voltage.
1 = Adds 8192 mV of OTG voltage.
OTG Voltage, bit 6
R/W
0b
0 = Adds 0 mV of OTG voltage.
1 = Adds 4096 mV of OTG voltage.
OTG Voltage, bit 5
R/W
0b
0 = Adds 0 mV of OTG voltage.
1 = Adds 2048 mV of OTG voltage.
OTG Voltage, bit 4
R/W
0b
0 = Adds 0 mV of OTG voltage.
1 = Adds 1024 mV of OTG voltage.
OTG Voltage, bit 3
R/W
0b
0 = Adds 0 mV of OTG voltage.
1 = Adds 512 mV of OTG voltage.
OTG Voltage, bit 2
R/W
0b
0 = Adds 0 mV of OTG voltage.
1 = Adds 256 mV of OTG voltage.
Table 38. OTGVoltage Register (SMBus address = 3Bh) Field Descriptions
SMBus
BIT
7
FIELD
OTG Voltage, bit 1
6
OTG Voltage, bit 0
5-0 Reserved
TYPE
R/W
R/W
R/W
RESET
0b
0b
000000b
DESCRIPTION
0 = Adds 0 mV of OTG voltage.
1 = Adds 128 mV of OTG voltage.
0 = Adds 0 mV of OTG voltage.
1 = Adds 64 mV of OTG voltage.
Not used. Value Ignored.
8
OTG Voltage,
bit 2
R/W
0
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