BQ40Z50-R1 Datasheet, PDF (10/55 Pages) Texas Instruments – Li-Ion Battery Pack Manager

bq40z50-R1
SLUSCB3 – JULY 2015
www.ti.com
Electrical Characteristics: Current Wake Comparator (continued)
Typical values stated where T_A = 25°C and VCC = 14.4 V, Min/Max values stated where T_A = –40°C to 85°C and VCC =
2.2 V to 26 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
t_WAKE
Time from
application of
current to wake
interrupt
700 µs
t_WAKE(SU)
Wake comparator
startup time
500
1000 µs
7.10 Electrical Characteristics: VC1, VC2, VC3, VC4, BAT, PACK
Typical values stated where T_A = 25°C and VCC = 14.4 V, Min/Max values stated where T_A = –40°C to 85°C and VCC =
2.2 V to 26 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN TYP
MAX UNIT
VC1–VSS, VC2–VC1, VC3–VC2, VC4–VC3
0.1980 0.2000
0.2020
K
Scaling factor
BAT–VSS, PACK–VSS
0.049 0.050
0.051 —
V_REF2
VC1–VSS, VC2–VC1, VC3–VC2, VC4–VC3
V_IN
Input voltage range
BAT–VSS, PACK–VSS
0.490
–0.2
–0.2
0.500
0.510
5
V
20
I_LKG
Input leakage current
VC1, VC2, VC3, VC4, cell balancing off, cell detach
detection off, ADC multiplexer off
1 µA
R_CB
Internal cell balance
resistance
R_DS(ON) for internal FET switch at 2 V < V_DS < 4 V
200 Ω
I_CD
Internal cell detach
check current
VCx > VSS + 0.8 V
30
50
70 µA
7.11 Electrical Characteristics: SMBD, SMBC
Typical values stated where T_A = 25°C and VCC = 14.4 V, Min/Max values stated where T_A = –40°C to 85°C and VCC =
2.2 V to 26 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
V_IH
Input voltage high
SMBC, SMBD, V_REG = 1.8 V
V_IL
Input voltage low
SMBC, SMBD, V_REG = 1.8 V
V_OL
Output low voltage
SMBC, SMBD, V_REG = 1.8 V, I_OL = 1.5 mA
C_IN
Input capacitance
I_LKG
Input leakage current
R_PD
Pulldown resistance
1.3
5
0.7
1.0
V
0.8 V
0.4 V
pF
1 µA
1.3 MΩ
7.12 Electrical Characteristics: PRES, BTP_INT, DISP
Typical values stated where T_A = 25°C and VCC = 14.4 V, Min/Max values stated where T_A = –40°C to 85°C and VCC =
2.2 V to 26 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
V_IH
High-level input
V_IL
Low-level input
V_OH
Output voltage high
V_BAT > 5.5 V, I_OH = –0 µA
V_BAT > 5.5 V, I_OH = –10 µA
V_OL
Output voltage low
I_OL = 1.5 mA
C_IN
Input capacitance
I_LKG
Input leakage current
R_O
Output reverse
resistance
Between PRES or BTP_INT or DISP and PBI
1.3
V
0.55 V
3.5
V
1.8
0.4 V
5
pF
1 µA
8
kΩ
10
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