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BQ2057CTS Datasheet(PDF) 8 Page - Texas Instruments

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Part # BQ2057CTS
Description  ADVANCED LINEAR CHARGE MANAGEMENT IC FOR SINGLE AND TWO CELL LITHIUM-POLYMER
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

BQ2057CTS Datasheet(HTML) 8 Page - Texas Instruments

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bq2057, bq2057C
bq2057T, bq2057W
SLUS025F − MAY 2001 − REVISED JULY 2002
8
www.ti.com
APPLICATION INFORMATION
Regulate
Current or Voltage
POR
VCC > V(BAT)
Checked at All
Times
Sleep Mode
No
TS Pin
in TS1 to TS2
Range
Yes
No
Suspend Charge
Indicate SLEEP
MODE
(STAT = Hi-Z)
Yes
Indicate CHARGE
SUSPEND
(STAT = Hi-Z)
V(BAT) <V(min)
Regulate
I(PRECHG)
Indicate
Charge In-Progress
(STAT = High)
Yes
TS Pin
in TS1 to TS2
Range
Suspend Charge
Indicate CHARGE
SUSPEND
(STAT = Hi-Z)
No
Yes
TS Pin
in TS1 to TS2
Range
No
V(BAT) < V(min)
No
Yes
Indicate
Charge In-Progress
(STAT = High)
Suspend Charge
Indicate CHARGE
SUSPEND
(STAT = Hi-Z)
TS Pin
in TS1 to TS2
Range
No
No
Yes
Yes
No
TS Pin
in TS1 to TS2
Range
V(BAT) < V(min)
No
V(BAT) < V(RCH)
Yes
Yes
Yes
Yes
I(TERM)
Detected
Terminate Charge
Indicate CHARGE
Done
(STAT = Low)
No
Figure 2. Operation Flowchart


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