BQ28Z560-R1 Datasheet, PDF (7/60 Pages) Texas Instruments – Single Cell Li-Ion Battery Gas Gauge and Protection

bq28z560-R1
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SLUSBD3 – APRIL 2013
BATTERY PROTECTION (continued)
T_A = –40 to +85ºC, V_BAT =1.5 V to 5.5 V; Typical values stated, where T_A = 25ºC and V_BAT =3.6 V (unless otherwise noted)
PARAMETER
TEST CONDITION
MIN
NOM
MAX
UNIT
t_DET1
t_REL1
Overcharge detection delay time
Overcharge release delay time
V_BAT = 3.5 V ≥ 4.5 V
V_BAT = 4.5 V ≥ 3.5 V
TA = 25˚C
0.60
1.00
1.50
s
4.8
8.0
12.0
ms
2.265
2.300
2.335
V_DET2
Over-discharge detection voltage TA = –10 to 60˚C
TA = –40 to 85˚C
2.242
2.300
2.358
V
2.220
2.300
2.380
t_DET2
Over-discharge detection delay
time
V_BAT = 3.5 V ≥ 2.00 V
14.4
24.0
36.0
ms
t_REL2
Over-discharge release delay
time
V_BAT = 3 V
VM = 3 V ≥ 0 V
2.4
4.0
6.0
ms
V_DET3
Overcurrent detection voltage on
discharge
V_BAT = 4 V
0.130
0.150
0.170
V
V_DET4
Overcurrent detection voltage on
charging
V_BAT = 4 V
–0.137 –0.112 –0.087
V
t_OCD
Overcurrent detection delay time
V_BAT = 3 V
VM = 0 V ≥ 1V
7.2
12.0
18.0
ms
t_OCR
Overcurrent release delay time
V_BAT = 3 V
VM = 3 V ≥ 0 V
2.4
4.0
6.0
ms
V_SHORT
Short detection voltage
V_BAT = 4 V, R_PACKN = 510 Ω
V_BAT – 1.2
V_BAT –
0.9
V_BAT – 0.6
V
t_SHORT
Short detection delay time
V_BAT = 3 V
VM = 0V ≥ 3 V
200
400
800
µs
VOLTAGE REGULATOR
T_A = –40 to +85ºC, V_BAT =1.5 V to 5.5 V; Typical values stated, where T_A = 25ºC and V_BAT =3.6 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
V_REG
ΔV_LINE
ΔV_LOAD
Output voltage
Line regulation
Load regulation
VDO
Dropout voltage
ΔV_REG/ΔT
Output voltage temperature
coefficient
2.7 V < V_BAT < 5.5 V, I_OUT = 16 mA
2.45 V < V_BAT < 2.7 V, I_OUT = 3 mA
2.7 V < V_BAT < 5.5 V, I_OUT = 16 mA
V_REG = 2.45 V, 100 µA < I_OUT < 3 mA
V_BAT = 2.7 V, 3 mA < I_OUT < 16 mA
V_BAT = 2.45 V, I_OUT = 3 mA
V_BAT = 2.7 V, I_OUT = 16 mA
V_BAT = 3.5 V, I_OUT = 100 µA
2.45
2.50
2.55
V
2.40
100
200
mV
30
50
mV
30
50
30
50
mV
30
50
100
ppm/°C
ΔV_LINE
Current limit
V_BAT = 3.5 V, I_REG = 2.0 V
V_BAT = 3.5 V, I_REG = 0 V
16
130
mA
10
35
60
V_OFF
Regulator off voltage
7.0
8.0
9.0
V
t_VOFF
Regulator off voltage delay time
V_BAT = 3.6 V → 5.5 V, R_load = 100 Ω
V_REG = 2.5 V → 2.3 V, C_load = 0.1 µF,
T_A = 25°C
50
100
µs
POWER-ON RESET
T_A = –40 to +85ºC; Typical Values at T_A = 25ºC (unless otherwise noted)
PARAMETER
TEST CONDITIONS
V_IT+
V_HYS
Positive-going battery voltage input
at V_REG
No external loading on V_REG
No external loading on V_REG
MIN
2.125
75
TYP
2.200
125
MAX
2.275
175
UNIT
V
mV
Copyright © 2013, Texas Instruments Incorporated
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