BQ24232H_15 Datasheet, PDF (6/42 Pages) Texas Instruments – bq2423xx USB-Friendly Lithium-Ion Battery Charger and Power-Path Management IC

bq24230H, bq24232H
SLUSBI8A – JANUARY 2014 – REVISED DECEMBER 2014
Electrical Characteristics (continued)
over operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
t_DGL(OVP)
t_REC(OVP)
Input overvoltage blanking time
Input overvoltage recovery time
Time measured from V_IN: 11 V → 5 V 1 μs
fall time to PGOOD = LO
ILIM, ISET SHORT-CIRCUIT TEST
I_SC
Current source
V_SC
QUIESCENT CURRENT
V_IN > UVLO and V_IN > V_BAT+V_IN(DT)
V_IN > UVLO and V_IN > V_BAT+V_IN(DT)
I_BAT(PDWN)
I_IN(STDBY)
I_CC
POWER PATH
Sleep current into BAT pin
Standby current into IN pin
Active supply current, IN pin
CE = LO or HI, input power not detected, no
load on OUT pin, T_J = 85°C
EN1= HI, EN2=HI, V_IN = 6 V, T_J=85°C
EN1= HI, EN2=HI, V_IN = 10 V, T_J=85°C
CE = LO, V_IN = 6 V, no load on OUT pin,
V_BAT > V_BAT(REG), (EN1, EN2) ≠ (HI, HI)
V_DO(IN-OUT)
V_DO(BAT-OUT)
V_O(REG)
V_IN – V_OUT
V_BAT – V_OUT
OUT pin voltage regulation
V_IN = 4.45 V, I_IN = 500 mA, V_BAT = 4.35 V
I_OUT = 500 mA, V_IN = 0 V, V_BAT > 3 V
V_IN > V_OUT + V_{DO (IN-OUT)}
EN1 = LO, EN2 = LO
I_INmax
Maximum input current
EN1 = HI, EN2 = LO
EN1 = LO, EN2 = HI
K_ILIM
I_INmax
Maximum input current factor
Programmable input current limit
range
I_LIM = 200mA to 500mA
EN2 = HI, EN1 = LO, R_ILIM = 3.1 kΩ to 7.8 kΩ
V_IN-DPM
Input voltage threshold when input
current is reduced
EN2 = LO, EN1 = X
V_DPPM
Output voltage threshold when
charging current is reduced
V_BSUP1
V_BSUP2
V_O(SC1)
Enter battery supplement mode
Exit battery supplement mode
Output short-circuit detection
threshold, power-on
V_BAT = 3.6 V, R_ILIM = 1.5 kΩ,
R_LOAD = 10 Ω →2 Ω
V_BAT = 3.6 V, R_ILIM = 1.5 kΩ,
R_LOAD = 2 Ω →10 Ω
V_IN > UVLO and V_IN > V_BAT + V_IN(DT)
V_O(SC2)
Output short-circuit detection
threshold, supplement mode
V_BAT – V_OUT > V_O(SC2) indicates
short circuit
V_IN > UVLO and V_IN > V_BAT + V_IN(DT)
t_DGL(SC2)
Deglitch time, supplement mode
short circuit
t_REC(SC2)
Recovery time, supplement mode
short circuit
www.ti.com
MIN
TYP
MAX UNIT
50
μs
2
ms
1.3
mA
520
mV
6.5 μA
50 μA
200
1.5 mA
150
4.4
90
450
1380
200
4.5
95
475
K_ILIM/R_ILIM
1530
237.5 mV
62.5 mV
4.6 V
100
mA
500
A
1680 AΩ
500 mA
4.35
4.50
4.63 V
V_O(REG) –
180 mV
V_O(REG) –
100 mV
V_O(REG) –
30 mV
V
V_OUT ≤ V_BAT
–40 mV
V
V_OUT ≥
V_BAT–20 mV
V
0.8
0.9
1V
200
250
300 mV
250
μs
60
ms
6
Submit Documentation Feedback
Copyright © 2014, Texas Instruments Incorporated
Product Folder Links: bq24230H bq24232H