參數(shù)資料
型號(hào): 27210
廠商: Texas Instruments, Inc.
英文描述: Li-Ion AND Li-Pol BATTERY GAS GAUGE IC FOR PORTABLE APPLICATIONS (bqJUNIOR)
中文描述: 鋰離子和鋰聚合物電池電量監(jiān)測(cè)計(jì)芯片的便攜式應(yīng)用(bqJUNIOR)
文件頁(yè)數(shù): 23/30頁(yè)
文件大?。?/td> 337K
代理商: 27210
www.ti.com
UDG04101
Active Mode
COM low for 18
seconds
No
Ship
enabled
Yes
No
Yes
No
Yes
Ship Mode
COM
pulled high
Sleep Mode
COM
pulled high
below DMF
threshold
43.6 minute
wake
Yes
Device enters active
mode for 18 seconds
No
Yes
No
No
Yes
V
SR
Active Mode
During normal operation, the device is in active mode, which corresponds to the highest power consumption.
Normal gas gauging is performed in this mode. If system requirements mandate that bqJUNIOR should not
enter Sleep or Ship modes, then an external pullup resistor from V
CC
to keep HDQ or CLK and DTA at a logic
1
is required on the bqJUNIOR side of the system. The resistor value chosen should be small enough to force a
logic
1
even with the internal pulldown current and any external ESD protection circuitry loading.
bq27010, bq27210
SLUS707B–APRIL 2006–REVISED JANUARY 2007
Figure 5. Power Mode Flow Chart
23
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