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| BQ24250C_15 Datasheet, PDF (10/46 Pages) Texas Instruments – bq24250C 2A Single Input I2C, Standalone Switch-Mode Li-Ion Battery Charger with Power-Path Management | |||
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bq24250C
SLUSBY7 â JULY 2014
www.ti.com
7.6 Timing Requirements
VUVLO < VIN < VOVP and VIN > VBAT+VSLP, TJ = 0ºC-125°C and TJ = 25°C for typical values (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
POWER-PATH MANAGEMENT
tDGL(SC1)
Deglitch Time, OUT Short Circuit
during Discharge or Supplement
Mode
Measured from
(VBAT â VSYS) = 300 mV
740
Recovery Time, OUT Short Circuit
tREC(SC1)
during Discharge or Supplement
64
Mode
BATTERY CHARGER
tDGL(LOWV)
Deglitch time for pre-charge to fast
charge transition
32
tDGL(BATSHRT)
Deglitch time for trickle charge to
pre-charge transition
256
tDGL(TERM)
Deglitch time for charge
termination
Both rising and falling, 2-mV over-drive,
tRISE, tFALL = 100 ns
64
tDGL(RCH)
Deglitch time
VBAT falling below VRCH, tFALL = 100 ns
32
BATTERY DETECTION
tDETECT
Battery detection time
For both VBATREG_HI and VBATREG_LO
32
INPUT PROTECTION
tDGL(SLP)
Deglitch time for IN rising above
VIN+VSLP_EXIT
Rising voltage, 2-mV over drive,
tRISE = 100 ns
32
tDGL(OVP)
Deglitch time for IN Rising above
VOVP
IN rising voltage, tRISE = 100 ns
32
tDGL(BOVP)
BOVP Deglitch
Battery entering/exiting BOVP
1
BATTERY-PACK NTC MONITOR (1)
tDGL(TS)
Deglitch time on TS change
32
TIMERS
45 min safety timer
2700
tSAFETY
6 hr safety timer
9 hr safety timer
21600
32400
tWATCH-DOG
Watch dog timer
50
UNIT
μs
ms
ms
µs
ms
ms
ms
ms
ms
ms
ms
s
s
10
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Product Folder Links: bq24250C
Copyright © 2014, Texas Instruments Incorporated
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