BQ2057CSN BENCHMARQ, BQ2057CSN Datasheet - Page 8

• Manufacturer Part Number: BQ2057CSN
• Description: PROG BATTERY CHARGER, 2057, SOIC8
• Manufacturer: BENCHMARQ

Specifications of BQ2057CSN

• Battery Type: Li-Ion / Li-Polymer
• Input Voltage: 15V
• Battery Charge Voltage: 4.2V
• Charge Current Max: 2A
• Battery Ic Case Style: SOIC
• No. Of Pins: 8
• No. Of Series Cells: 1
• Operating Temperature: RoHS Compliant

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