BQ40Z50 Datasheet, PDF (10/30 Pages) Texas Instruments – 1-Series, 2-Series, 3-Series, and 4-Series Li-Ion Battery Pack Manager

bq40z50
SLUSBS8 – DECEMBER 2013
www.ti.com
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 CONDITION
MIN
TYP
MAX
UNIT
VC1–VSS, VC2–VC1, VC3–VC2, VC4–VC3
V_IN
Input voltage range
BAT–VSS, PACK–VSS
–0.2
–0.2
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
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 CONDITION
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
MIN
TYP
MAX
UNIT
1.3
V
0.8
V
0.4
V
5
pF
1
µA
0.7
1.0
1.3
MΩ
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 CONDITION
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
MIN
TYP
MAX
UNIT
1.3
V
0.55
V
3.5
V
1.8
0.4
V
5
pF
1
µA
8
kΩ
LEDCNTLA, LEDCNTLB, LEDCNTLC
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
V_IH
High-level input
V_IL
Low-level input
TEST CONDITION
V_OH
Output voltage high V_BAT > 3.0 V, I_OH = –22.5 mA
V_OL
Output voltage low
I_OL = 1.5 mA
I_SC
High level output
current protection
I_OL
Low level output
current
V_BAT > 3.0 V, V_OH = 0.4 V
MIN
1.45
V_BAT –
1.6
–30
15.75
TYP
–45
22.5
MAX
0.55
0.4
–6 0
29.25
UNIT
V
V
V
V
mA
mA
10
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