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| BQ24232HA Datasheet, PDF (23/36 Pages) Texas Instruments – USB-Friendly Lithium-Ion Battery Charger | |||
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7.4.2 Explanation of Deglitch Times and Comparator Hysteresis
Figures not to scale
bq24232HA
SLUSCG4 â MAY 2016
VOVP
VOVP - Vhys(OVP)
VIN
VBAT + VIN(DT)
VBAT + VIN(DT) - Vhys(INDT)
UVLO
UVLO - Vhys(UVLO)
t < tDGL(OVP)
Typical Input Voltage
Operating Range
PGOOD
tDGL(PGOOD)
tDGL(OVP)
tDGL(PGOOD)
Figure 16. Power Up, Power Down
tDGL(NO-IN)
VLOWV
VBAT
t < tDGL1(LOWV)
tDGL1(LOWV)
tDGL1(LOWV)
tDGL2(LOWV)
t < tDGL2(LOWV)
ICHG
IPRE-CHG
Pre-Charge
Fast-Charge
Fast-Charge
Pre-Charge
Figure 17. Pre- To Fast-Charge, Fast- To Precharge Transition â TDGL1(LOWV), TDGL2(LOWV)
VRCH
VBAT
t < tDGL(RCH)
tDGL(RCH)
Re-Charge
Figure 18. Recharge â TDGL(RCH)
Copyright © 2016, Texas Instruments Incorporated
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