參數(shù)資料
型號(hào)： BQ2083
英文描述： Silicon Bridge Rectifiers
中文描述： 銀紫荊星章符合電量監(jiān)測(cè)計(jì)芯片的使用與BQ29311
文件頁數(shù)： 24/54頁
文件大?。?/td> 461K
代理商： BQ2083
SLUS573 JULY 2003
www.ti.com
24
Purpose:
The RemainingTimeAlarm( ) function can be used by systems that want to adjust when the remaining
time alarm warning is sent. The remaining time value can be read to verify the value in use by the bq2083V1P2
RemainingTimeAlarm( ).
SMBus protocol:
Read or write word
Input/Output:
Unsigned integer—the point below which remaining time messages are sent.
Units:
Minutes
Range:
0 to 65,535 minutes
Granularity:
Not applicable
Accuracy:
See AverageTimeToEmpty( ).
BatteryMode( ) (0x03)
Description:
Selects the various battery operational modes and reports the battery’s mode and requests.
Defined modes include
Whether the battery capacity information is specified in units of mAh or 10 mWh (CAPACITY_MODE bit)
Whether the ChargingCurrent( ) and ChargingVoltage( ) values are broadcast to the smart battery charger
when the CHARGER_MODE bit is set.
Whether all broadcasts to the smart battery charger and host are disabled
The defined request condition is the battery requesting a conditioning cycle (RELEARN_FLAG).
Purpose:
The CAPACITY_MODE bit allows power management systems to best match their electrical
characteristics with those reported by the battery. For example, a switching power supply represents a constant
power load, whereas a linear supply is better represented by a constant current model. The CHARGER_MODE
bit allows a SMBus host or smart battery charger to override the smart battery desired charging parameters by
disabling the bq2083V1P2 broadcasts. The RELEARN_FLAG bit allows the bq2083V1P2 to request a
conditioning cycle.
SMBus protocol:
Read or write word
Input/Output:
Unsigned integer—bit mapped— see below.
Units:
Not applicable
Range:
0-1
Granularity:
Not applicable
Accuracy:
Not applicable
The BatteryMode( ) word is divided into two halves, the MSB (bits 8-15) which is read/write and the LSB (bits 0-7)
which is read only. The bq2083V1P2 forces bits 0-6 to zero and prohibits writes to bit 7.
Table 12 summarizes the meanings of the individual bits in the BatteryMode( ) word and specifies the default
values, where applicable, are noted.
INTERNAL_CHARGE_CONTROLLER bit is not used by the bq2083V1P2.
PRIMARY_BATTERY_SUPPORT bit is not used by the bq2083V1P2.
RELEARN_FLAG bit set indicates that the bq2083V1P2 is requesting a capacity relearn cycle for the battery.
The bq2083V1P2 sets the RELEARN_FLAG on a full reset and if it detects 20 cycle counts without an FCC
update. The bq2083V1P2 clears this flag after a learning cycle has been completed.
CHARGE_CONTROLLER_ENABLED bit is not used by the bq2083V1P2. The bq2083V1P2 forces this bit to
zero.
PRIMARY_BATTERY bit is not used by the bq2083V1P2. The bq2083V1P2 forces this bit to zero.
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參數(shù)描述
BQ20832DBT 制造商:Texas Instruments 功能描述:
BQ20832DBTR 制造商:Texas Instruments 功能描述:
BQ2083DBT 功能描述:電池管理 SBS-Cmplnt Gas Gauge for Use w/BQ29311 RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel
BQ2083DBTG4 功能描述:電池管理 SBS-Cmplnt Gas Gauge for Use w/BQ29311 RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel
BQ2083DBTR 功能描述:電池管理 SBS-Cmplnt Gas Gauge for Use w/BQ29311 RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel
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