BQ40Z50 Datasheet, PDF (8/30 Pages) Texas Instruments – 1-Series, 2-Series, 3-Series, and 4-Series Li-Ion Battery Pack Manager

bq40z50
SLUSBS8 – DECEMBER 2013
www.ti.com
RECOMMENDED OPERATING CONDITIONS (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)
MIN
TYP
MAX
UNIT
V_SHUTDOWN+
V_HYS
Start-up voltage
Shutdown voltage
hysteresis
V_PACK > V_{SHUTDOWN–} + V_HYS
V_SHUTDOWN+ – V_{SHUTDOWN–}
2.05 2.25
2.45
V
250
mV
PACK, SMBC, SMBD , PRES, BTP_IN, DISP
26
TS1, TS2, TS3, TS4
PTC, PTCEN, LEDCNTLA, LEDCNTLB, LEDCNTLC
SRP, SRN
V_IN
Input voltage range
VC4
VC3
VC2
VC1
V_O
Output voltage
range
CHG, DSG, PCHG, FUSE
–0.2
V_VC3
V_VC2
V_VC1
V_VSS
V_REG
V_BAT
0.2
V
V_VC3 + 5
V_VC2 + 5
V_VC1 + 5
V_VSS + 5
26
V
C_PBI
External PBI
capacitor
2.2
µF
T_OPR
Operating
temperature
–40
85
°C
SUPPLY CURRENT
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 20 V (unless otherwise noted)
PARAMETER
TEST CONDITION
I_NORMAL
I_SLEEP
NORMAL mode
SLEEP mode
CHG on. DSG on, no Flash write
CHG off, DSG on, no SBS communication
CHG off, DSG off, no SBS communication
I_SHUTDOWN
SHUTDOWN mode
MIN
TYP
MAX UNIT
336
µA
75
µA
52
1.6
µA
POWER SUPPLY CONTROL
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_{SWITCHOVER–}
BAT to V_CC
switchover
voltage
V_BAT < V_{SWITCHOVER–}
V_SWITCHOVER+
V_CC to BAT
switchover
voltage
V_BAT > V_{SWITCHOVER–} + V_HYS
V_HYS
Switchover
voltage hysteresis
V_SWITCHOVER+ – V_{SWITCHOVER–}
BAT pin, BAT = 0 V, VCC = 25 V, PACK = 25 V
I_LKG
Input Leakage
current
PACK pin, BAT = 25 V, VCC = 0 V, PACK = 0 V
BAT and PACK pins, BAT = 0 V, VCC = 0 V, PACK =
0 V, PBI = 25 V
R_PD
Internal pulldown
resistance
PACK
MIN
TYP
1.95
2.1
MAX
2.2
UNIT
V
2.9
3.1
3.25
V
1000
mV
1
1
µA
1
30
40
50
kΩ
8
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