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| BQ24232H_15 Datasheet, PDF (8/42 Pages) Texas Instruments – bq2423xx USB-Friendly Lithium-Ion Battery Charger and Power-Path Management IC | |||
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bq24230H, bq24232H
SLUSBI8A â JANUARY 2014 â REVISED DECEMBER 2014
www.ti.com
Electrical Characteristics (continued)
over operating free-air temperature range (unless otherwise noted)
PARAMETER
BATTERY-PACK NTC MONITOR(1)
TEST CONDITIONS
INTC
VHOT
VHYS(HOT)
VCOLD
VHYS(COLD)
tDGL(TS)
NTC bias current
High-temperature trip point
Hysteresis on high trip point
Low-temperature trip point
Hysteresis on low trip point
Deglitch time, pack temperature
fault detection
VIN > UVLO and VIN > VBAT + VIN(DT)
Battery charging, VTS Falling
Battery charging, VTS Rising from VHOT
Battery charging, VTS Rising
Battery charging, VTS Falling from VCOLD
Battery charging, VTS Falling
VDIS(TS)
TS function disable threshold
TS unconnected (applies with TD pin on
bq24230H)
THERMAL REGULATION
TJ(REG)
Temperature regulation limit
TJ(OFF)
Thermal shutdown temperature
TJ(OFF-HYS)
Thermal shutdown hysteresis
LOGIC LEVELS ON EN1, EN2, CE, TD
TJ rising
VIL
Logic LOW input voltage
VIH
Logic HIGH input voltage
IIL
Input sink current
IIH
Input source current
LOGIC LEVELS ON PGOOD, CHG
VIL = 0 V
VIH = 1.4 V
VOL
Output LOW voltage
ISINK = 5 mA
MIN
TYP
72
270
2000
75
300
30
2100
300
50
VIN-200 mV
125
155
20
0
1.4
MAX UNIT
78 μA
330 mV
mV
2200 mV
mV
ms
V
°C
°C
°C
0.4 V
6.0 V
1 μA
10 μA
0.4 V
(1) These numbers set trip points of 0°C and 50°C while charging, with 3°C hysteresis on the trip points, with a Vishay Type 2 curve NTC
with an R25 of 10 kâ¦.
8
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Copyright © 2014, Texas Instruments Incorporated
Product Folder Links: bq24230H bq24232H
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