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| BQ24232H_15 Datasheet, PDF (23/42 Pages) Texas Instruments – bq2423xx USB-Friendly Lithium-Ion Battery Charger and Power-Path Management IC | |||
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www.ti.com
bq24230H, bq24232H
SLUSBI8A â JANUARY 2014 â REVISED DECEMBER 2014
9.4 Device Functional Modes
9.4.1 Explanation of Deglitch Times and Comparator Hysteresis
Figures not to scale
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 18. 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 19. Precharge to Fast-Charge, Fast- to Precharge Transition â tDGL1(LOWV), tDGL2(LOWV)
Copyright © 2014, Texas Instruments Incorporated
Product Folder Links: bq24230H bq24232H
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