|
BQ4050 Datasheet, PDF (10/53 Pages) Texas Instruments – CEDV Gas Gauge and Protection Solution | |||
|
◁ |
bq4050
SLUSC67A â MARCH 2016 â REVISED MARCH 2016
www.ti.com
Electrical Characteristics: Current Wake Comparator (continued)
Typical values stated where TA = 25°C and VCC = 14.4 V, Min/Max values stated where TA = â40°C to 85°C and VCC =
2.2 V to 26 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
VWAKE(DRIFT)
tWAKE
Temperature drift
of VWAKE accuracy
Time from
application of
current to wake
interrupt
0.5%
°C
700 µs
tWAKE(SU)
Wake comparator
startup time
500
1000 µs
6.10 Electrical Characteristics: VC1, VC2, VC3, VC4, BAT, PACK
Typical values stated where TA = 25°C and VCC = 14.4 V, Min/Max values stated where TA = â40°C to 85°C and VCC =
2.2 V to 26 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN TYP
MAX UNIT
VC1âVSS, VC2âVC1, VC3âVC2, VC4âVC3
0.1980 0.2000
0.2020
K
Scaling factor
BATâVSS, PACKâVSS
0.049 0.050
0.051 â
VREF2
VC1âVSS, VC2âVC1, VC3âVC2, VC4âVC3
VIN
Input voltage range
BATâVSS, PACKâVSS
0.490
â0.2
â0.2
0.500
0.510
5
V
20
ILKG
Input leakage current
VC1, VC2, VC3, VC4, cell balancing off, cell detach
detection off, ADC multiplexer off
1 µA
RCB
Internal cell balance
resistance
RDS(ON) for internal FET switch at 2 V < VDS < 4 V
200 Ω
ICD
Internal cell detach
check current
VCx > VSS + 0.8 V
30
50
70 µA
6.11 Electrical Characteristics: SMBD, SMBC
Typical values stated where TA = 25°C and VCC = 14.4 V, Min/Max values stated where TA = â40°C to 85°C and VCC =
2.2 V to 26 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
VIH
Input voltage high
SMBC, SMBD, VREG = 1.8 V
VIL
Input voltage low
SMBC, SMBD, VREG = 1.8 V
VOL
Output low voltage
SMBC, SMBD, VREG = 1.8 V, IOL = 1.5 mA
CIN
Input capacitance
ILKG
Input leakage current
RPD
Pulldown resistance
1.3
5
0.7
1.0
V
0.8 V
0.4 V
pF
1 µA
1.3 MΩ
6.12 Electrical Characteristics: PRES, BTP_INT, DISP
Typical values stated where TA = 25°C and VCC = 14.4 V, Min/Max values stated where TA = â40°C to 85°C and VCC =
2.2 V to 26 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
VIH
High-level input
VIL
Low-level input
VOH
Output voltage high
VBAT > 5.5 V, IOH = â0 µA
VBAT > 5.5 V, IOH = â10 µA
VOL
Output voltage low
IOL = 1.5 mA
CIN
Input capacitance
ILKG
Input leakage current
1.3
V
0.55 V
3.5
V
1.8
0.4 V
5
pF
1 µA
10
Submit Documentation Feedback
Product Folder Links: bq4050
Copyright © 2016, Texas Instruments Incorporated
|
▷ |