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BQ40Z50 データシートの表示(PDF) - Texas Instruments

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BQ40Z50 1-Series, 2-Series, 3-Series, and 4-Series Li-Ion Battery Pack Manager TI
Texas Instruments TI
BQ40Z50 Datasheet PDF : 54 Pages
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www.ti.com
Not Recommended For New Designs
bq40z50
SLUSBS8A – DECEMBER 2013 – REVISED DECEMBER 2014
Electrical Characteristics: CHG, DSG FET Drive (continued)
Typical values stated where TA = 25°C and VCC = 14.4 V, Min/Max values stated where TA = –40°C to 85°C and VCC =
2.2 V to 26 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
VDSG from VDSG(ON)(TYP) to 1 V, VBAT 2.2 V, CL = 4.7 nF
between DSG and PACK, 5.1 kΩ between DSG and CL,
10 MΩ between PACK and DSG
tF
Fall time
VCHG from VCHG(ON)(TYP) to 1 V, VBAT 2.2 V, CL = 4.7
nF between CHG and BAT, 5.1 kΩ between CHG and
CL, 10 MΩ between BAT and CHG
40
300
µs
40
200
7.19 Electrical Characteristics: PCHG FET Drive
Typical values stated where TA = 25°C and VCC = 14.4 V, Min/Max values stated where TA = –40°C to 85°C and VCC =
2.2 V to 26 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
V(FETON)
Output voltage,
PCHG on
VPCHG(ON) = VVCC – VPCHG, 10 MΩ between VCC and
PCHG
6
7
8V
V(FETOFF)
Output voltage,
PCHG off
VPCHG(OFF) = VVCC – VPCHG, 10 MΩ between VCC and
PCHG
–0.4
0.4 V
VPCHG from 10% to 90% VPCHG(ON)(TYP), VVCC 8 V, CL =
tR
Rise time
4.7 nF between PCHG and VCC, 5.1 kΩ between PCHG
and CL, 10 MΩ between VCC and CHG
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
40
200 µs
7.20 Electrical Characteristics: FUSE Drive
Typical values stated where TA = 25°C and VCC = 14.4 V, Min/Max values stated where TA = –40°C to 85°C and VCC =
2.2 V to 26 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
VOH
VIH
IAFEFUSE(PU)
Output voltage
high
High-level input
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
6
VBAT – 0.1
1.5
7
8.65
V
VBAT
2.0
2.5 V
150
330 nA
RAFEFUSE
CIN
tDELAY
Output impedance
Input capacitance
Fuse trip detection
delay
2
2.6
3.2 kΩ
5
pF
128
256 µs
tRISE
Fuse output rise
time
VBAT 8 V, CL = 1 nF, VOH = 0 V to 5 V
5
20 µs
7.21 Electrical Characteristics: Internal Temperature Sensor
Typical values stated where TA = 25°C and VCC = 14.4 V, Min/Max values stated where TA = –40°C to 85°C and VCC =
2.2 V to 26 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
VTEMP
Internal
temperature
sensor voltage
drift
VTEMPP
VTEMPP – VTEMPN, assured by design
–1.9
0.177
–2.0
0.178
–2.1
0.179
mV/°C
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