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BQ25708 Folha de dados(PDF) 35 Page - Texas Instruments

Nome de Peças BQ25708
Descrição Electrónicos  bq25708 SMBus Multi-Chemistry Battery Buck-Boost Charge Controller With System Power Monitor and Processor Hot Monitor
PDF  77 Pages
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Fabricante Electrônico  TI2 [Texas Instruments]
Página de início  https://www.ti.com
Logo TI2 - Texas Instruments

BQ25708 Folha de dados(HTML) 35 Page - Texas Instruments

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bq25708
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SLUSCU2 – NOVEMBER 2017
Product Folder Links: bq25708
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Copyright © 2017, Texas Instruments Incorporated
8.6.1.3 ChargeOption2 Register (SMBus address = 31h) [reset = 2B7]
Figure 15. ChargeOption2 Register (SMBus address = 31h) [reset = 2B7]
15
14
13
12
11
10
9
8
PKPWR_TOVLD_DEG
EN_PKPWR
_IDPM
EN_PKPWR
_VSYS
PKPWR_
OVLD_STAT
PKPWR_
RELAX_STAT
PKPWR_TMAX[1:0]
R/W
R/W
R/W
R/W
R/W
R/W
7
6
5
4
3
2
1
0
EN_EXTILIM
EN_ICHG
_IDCHG
Q2_OCP
ACX_OCP
EN_ACOC
ACOC_VTH
EN_BATOC
BATOC_VTH
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 11. ChargeOption2 Register (SMBus address = 31h) Field Descriptions
SMBus
BIT
FIELD
TYPE
RESET
DESCRIPTION
15-14
PKPWR_
TOVLD_DEG
R/W
00b
Input Overload time in Peak Power Mode
00b: 1 ms <default at POR>
01b: 2 ms
10b: 10 ms
11b: 20 ms
13
EN_PKPWR_IDPM
R/W
0b
Enable Peak Power Mode triggered by input current overshoot
If REG0x31[13:12] are 00b, peak power mode is disabled. Upon
adapter removal, the bits are reset to 00b.
0b: Disable peak power mode triggered by input current overshoot
<default at POR>
1b: Enable peak power mode triggered by input current overshoot.
12
EN_PKPWR_VSYS
R/W
0b
Enable Peak Power Mode triggered by system voltage under-shoot
If REG0x31[13:12] are 00b, peak power mode is disabled. Upon
adapter removal, the bits are reset to 00b.
0b: Disable peak power mode triggered by system voltage under-shoot
<default at POR>
1b: Enable peak power mode triggered by system voltage under-shoot.
11
PKPWR_
OVLD_STAT
R/W
0b
Indicator that the device is in overloading cycle. Write 0 to get out of
overloading cycle.
0b: Not in peak power mode. <default at POR>
1b: In peak power mode.
10
PKPWR_
RELAX_STAT
R/W
0b
Indicator that the device is in relaxation cycle. Write 0 to get out of
relaxation cycle.
0b: Not in relaxation cycle. <default at POR>
1b: In relaxation mode.
9-8
PKPWR_
TMAX[1:0]
R/W
10b
Peak power mode overload and relax cycle time.
When REG0x31[15:14] is programmed longer than REG0x31[9:8],
there is no relax time.
00b: 5 ms
01b: 10 ms
10b: 20 ms <default at POR>
11b: 40 ms



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