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BQ25708 Folha de dados(PDF) 37 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) 37 Page - Texas Instruments

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bq25708
www.ti.com
SLUSCU2 – NOVEMBER 2017
Product Folder Links: bq25708
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Copyright © 2017, Texas Instruments Incorporated
8.6.1.4 ChargeOption3 Register (SMBus address = 32h) [reset = 0h]
Figure 16. ChargeOption3 Register (SMBus address = 32h) [reset = 0h]
15
14
13
12
11
10
9
8
EN_HIZ
RESET_REG
RESET_
VINDPM
Reserved
EN_ICO_MOD
E
Reserved
R/W
R/W
R/W
R/W
R/W
R/W
7
6
5
4
3
2
1
0
Reserved
BATFETOFF_
HIZ
Reserved
R/W
R/W
R/W
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Table 13. ChargeOption3 Register (SMBus address = 32h) Field Descriptions
SMBus
BIT
FIELD
TYPE
RESET
DESCRIPTION
15
EN_HIZ
R/W
0b
Device Hi-Z Mode Enable
When the charger is in Hi-Z mode, the device draws minimal quiescent
current. With VBUS above UVLO. REGN LDO stays on, and system
powers from battery.
0b: Device not in Hi-Z mode <default at POR>
1b: Device in Hi-Z mode
14
RESET_REG
R/W
0b
Reset Registers
All the registers go back to the default setting except the VINDPM
register.
0b: Idle <default at POR>
1b: Reset all the registers to default values. After reset, this bit goes back
to 0.
13
RESET_VINDPM
R/W
0b
Reset VINDPM Threshold
0b: Idle
1b: Converter is disabled to measure VINDPM threshold. After VINDPM
measurement is done, this bit goes back to 0 and converter starts.
12
Reserved
R/W
Reserved
11
EN_ICO_MODE
R/W
0b
Enable ICO Algorithm
0b: Disable ICO algorithm. <default at POR>
1b: Enable ICO algorithm.
10-8
Reserved
R/W
000b
Reserved
Table 14. ChargeOption3 Register (SMBus address = 32h) Field Descriptions
SMBus
BIT
FIELD
TYPE
RESET
DESCRIPTION
7-2
Reserved
R/W
000000b
Reserved
1
BATFETOFF_
HIZ
R/W
0b
Control BATFET during HIZ mode.
0b: BATFET on during Hi-Z <default at POR>
1b: BATFET off during Hi-Z
0
Reserved
R/W



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