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BQ24702PW View Datasheet(PDF) - Texas Instruments

Part NameBQ24702PW TI
Texas Instruments TI
DescriptionMULTICHEMISTRY BATTERY CHARGER CONTROLLER AND SYSTEM POWER SELECTOR
BQ24702PW Datasheet PDF : 32 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
bq24702, bq24703
SLUS553D − MAY 2003 − REVISED JULY 2005
Table 1. 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
(unless otherwise noted)Ĕ}
Supply voltage range: VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.3 V to 30 V
Battery voltage range: SRP, SRN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.3 V to 30 V
Input voltage: ACN, ACP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.3 V to 30 V
Virtual junction temperature range, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −40°C to 125°C
Maximum source/sink current VHSP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 mA
Maximum ramp rate for VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 V/ µs
Maximum sink current ACPRES, COMP, ALARM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.5 mA
Maximum ramp rate for V(BAT) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 V/ µs
Maximum source/sink current BATDRV . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 mA
Maximum source/sink current ACDRV . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 mA
Maximum source/sink current PWM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 mA
Maximum source/sink current pulsed ACDRV, (10-µs rise time, 10-µs fall time, 1-ms pulse width, single pulse) 50 mA
Maximum source current VREF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 mA
Maximum source current SRP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 mA
Maximum difference voltage SRP − SRN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 V
Storage temperature range Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −65°C to 150°C
Lead temperature (soldering, 10 seconds) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300°C
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.
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.
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