BQ2961_17 Datasheet, PDF (8/33 Pages) Texas Instruments – Overvoltage Protection for 2-Series, 3-Series, and 4-Series Cell Li-Ion Batteries with Regulated Output Supply

bq2961, bq2962
SLUSBU5D – NOVEMBER 2013 – REVISED JANUARY 2017
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Electrical Characteristics (continued)
Typical values stated where T_A = 25°C and VDD = 14.4 V, MIN/MAX values stated where T_A = –40°C to +110°C, and V_DD =
3 V to 15 V (unless otherwise noted).
PARAMETER
TEST CONDITIONS
MIN TYP MAX UNIT
Regulated Supply Output, REG
V_REG = 3.3 V ,
bq2960, bq2961,
bq2962
3.234 3.300 3.366
V_REG
REG Supply at
500 µA load
VDD ≥ 4 V, I _REG = 500 µA,
C_REG = 0.47 µF
V_REG = 3.15 V ,
bq2962
V_REG = 3.0 V ,
bq2962
3.087 3.150 3.213
2.940 3.000 3.060 ^V
V_REG = 2.5 V ,
bq2960, bq2961
2.450 2.500 2.550
V_REG = 1.8 V ,
bq2960, bq2961
1.764 1.800 1.836
V_REG = 3.3 V ,
bq2960, bq2961,
bq2962
3.200 3.300 3.400
V_REG
REG Supply from 0 VDD ≥ 4 V, I _REG = 0 µA to 2 mA,
to 2 mA load
C_REG = 0.47 µF
V_REG = 3.15 V ,
bq2962
V_REG = 3.0 V ,
bq2962
3.050 3.150 3.250
2.900 3.000 3.100 ^V
V_REG = 2.5 V ,
bq2960, bq2961
2.425 2.500 2.575
V_REG = 1.8 V ,
bq2960, bq2961
1.746 1.800 1.854
I_REG
I_{REG_}
SC_Limit
R_{REG_ PD}
REG Current Output VDD ≥ 4 V, C_REG = 0.47 µF
REG Output Short
Circuit Current Limit
REG = V_SS, C_REG = 0.47 µF
REG pull-down
resistor
REG is disabled
0
2 mA
4
mA
20
30
45 kΩ
Regulated Supply Output Enable, REG_EN
V_IH
High-level Input
V_IL
Low-level Input
I_LKG
Input Leakage
Current
V_IH < 6 V
1.6
V
0.4 V
0.1 µA
Regulated Supply Undervoltage Self-disable
V_UVREG
Undervoltage
detection
Factory Configuration: 2.0 V to 2.8 V in 50 mV steps, T_A = 25 °C
–50
50 mV
V_UVHYS
Undervoltage
Detection Hysteresis
250
300
400 mV
t_UVDELAY
Undervoltage
Detection Delay
4.5
6
7.5 s
V_UVQUAL
Cell voltage to
qualify for UV
detection
0.5
V
8
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