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| BQ40Z50 Datasheet, PDF (13/30 Pages) Texas Instruments – 1-Series, 2-Series, 3-Series, and 4-Series Li-Ion Battery Pack Manager | |||
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bq40z50
www.ti.com
SLUSBS8 â DECEMBER 2013
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 CONDITION
MIN
TYP
MAX
UNIT
VPCHG from 90% to 10% VPCHG(ON)(TYP), VCC ⥠8 V, CL =
tF
Fall time
4.7 nF between PCHG and VCC, 5.1 kΩ between PCHG
and CL, 10 MΩ between VCC and CHG
40
200
µs
FUSE DRIVE
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 CONDITION
VOH
Output voltage
high
VIH
High-level input
IAFEFUSE(PU)
Internal pullup
current
VBAT ⥠8 V, CL = 1 nF, IAFEFUSE = 0 µA
VBAT < 8 V, CL = 1 nF, IAFEFUSE = 0 µA
VBAT ⥠8 V, VAFEFUSE = VSS
RAFEFUSE
Output
impedance
CIN
tDELAY
Input capacitance
Fuse trip
detection delay
tRISE
Fuse output rise
time
VBAT ⥠8 V, CL = 1 nF, VOH = 0 V to 5 V
MIN
6
VBAT â 0.1
1.5
TYP
7
2.0
150
2
2.6
5
128
5
MAX
8.65
VBAT
2.5
330
3.2
256
20
UNIT
V
V
nA
kΩ
pF
µs
µs
INTERNAL TEMPERATURE SENSOR
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
VTEMP
Internal
temperature
sensor voltage
drift
VTEMPP
TEST CONDITION
VTEMPP â VTEMPN, assured by design
MIN
â1.9
0.177
TYP
â2.0
0.178
MAX
â2.1
0.179
UNIT
mV/°C
TS1, TS2, TS3, TS4
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
VIN
Input voltage
range
RNTC(PU)
RNTC(DRIFT)
Internal pullup
resistance
Resistance drift
over
temperature
TEST CONDITION
TS1, TS2, TS3, TS4, VBIAS = VREF1
TS1, TS2, TS3, TS4, VBIAS = VREG
TS1, TS2, TS3, TS4
TS1, TS2, TS3, TS4
MIN
â0.2
â0.2
14.4
â360
TYP
18
MAX
0.8 x VREF1
0.8 x VREG
21.6
UNIT
V
kΩ
â280
â200
PPM/°C
PTC, PTCEN
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
RPTC(TRIP)
PTC trip
resistance
TEST CONDITION
MIN
TYP
MAX
UNIT
1.2
2.5
3.95
MΩ
Copyright © 2013, Texas Instruments Incorporated
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