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BQ24702PW View Datasheet(PDF) - Texas Instruments

Part NameBQ24702PW Texas-Instruments
Texas Instruments Texas-Instruments
DescriptionMULTICHEMISTRY BATTERY CHARGER CONTROLLER AND SYSTEM POWER SELECTOR
BQ24702PW Datasheet PDF : 37 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
www.ti.com
bq24702
bq24703
SLUS553E – MAY 2003 – REVISED OCTOBER 2007
AVAILABLE OPTIONS
CONDITION
20°C TJ 125°C
bq24702PW
SELECTOR OPERATION
bq24703RHD
BATTERY AS POWER SOURCE
Battery removal
Automatically selects ac + alarm
Automatically selects ac + alarm
Battery reinserted
Selection based on selector inputs
Adapter latched until adapter is removed or ac select toggles.
AC AS POWER SOURCE
AC removal
Automatically selects battery
Automatically selects battery
AC reinserted
Selection based on selector inputs
Selection based on selector inputs
DEPLETED BATTERY CONDITION
Battery as power source Sends ALARM signal
Automatically selects ac Sends ALARM signal
AC as power source
Sends ALARM signal
Sends ALARM signal
ALARM SIGNAL ACTIVE
Depleted battery condition
Depleted battery condition
When selector input is not equal to selector
output (single pulse alarm)
ABSOLUTE MAXIMUM RATINGS
over operating free-air temperature range (unless otherwise noted) (1) (2)
VCC
Supply voltage range
Battery voltage range: SRP, SRN
Input voltage: ACN, ACP
TJ
Virtual junction temperature range
Maximum source/sink current VHSP
Maximum ramp rate for VCC
Maximum sink current ACPRES, COMP, ALARM
Maximum ramp rate for V(BAT)
Maximum source/sink current BATDRV
Maximum source/sink current ACDRV
Maximum source/sink current PWM
Maximum source/sink current pulsed ACDRV, (10-μs rise time, 10-μs fall time, 1-ms
pulse width, single pulse)
Maximum source current VREF
Maximum source current SRP
Maximum difference voltage SRP–SRN
Tstg
Storage temperature range
VALUE
–0.3 to 30
–0.3 to 30
–0.3 to 30
–40 to 125
50
10
2.5
10
10
10
50
50
30
100
30
–65 to 150
UNIT
V
V
V
°C
mA
V/μs
mA
V/μs
mA
mA
mA
mA
mA
mA
V
°C
(1) Stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. These are stress ratings
only, and functional operation of the device at these or any other conditions beyond those indicated under recommended operating
conditions is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
(2) All voltages are with respect to ground. Currents are positive into and negative out of the specified terminals. Consult the Packaging
section of the data book for thermal limitations and considerations of the package.
Copyright © 2003–2007, Texas Instruments Incorporated
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