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| BQ29330 Datasheet, PDF (9/26 Pages) Texas Instruments – 2-,3-,AND 4-CELL LITHIUM-ION OR LITHIUM-POLYMER BATTERY PROTECTION AFE | |||
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bq29330
www.ti.com
SLUS673A â SEPTEMBER 2005 â REVISED DECEMBER 2005
ELECTRICAL CHARACTERISTICS (Continued)
FET DRIVE CIRCUIT, TA = 25°C, CREG = 1 µF, CL = 2.2 µF, VCC or BAT = 14 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
VO(FETON)
Output voltage, charge,
and discharge FETs on
V(ZCHG) ZVCHG clamp voltage
VO(FETOF Output voltage, charge,
F)
and discharge FETs off
VO(FETOND) = V(DSG)â Vpack
VGS connect 10 Mâ¦
VO(FETONC) = V(CHG)â VBAT
VGS connect 10 Mâ¦
BAT = 4.5 V
TA = 25°C
TA = â40°C to 110°C
TA = 25°C
TA = â40°C to 110°C
VFETOND = VDSG âVpack
VFETONC = VCHG âVBAT
tr
Rise time
CL = 4700 pF
V(CHG): Vpack ⥠Vpack+4 V
V(DSG): VBAT ⥠VBAT+4 V
tf
Fall time
CL = 4700 pF
V(CHG): Vpack+VCHG (FETON) ⥠pack +1 V
V(DSG): VC1+ VDSG (FETON) ⥠VC1 +1 V
LOGIC, TA = 25°C, CREG = 1 µF, CL = 2.2 µF, VCC or BAT = 14 V (unless otherwise noted)
XALERT
R(PUP)
Internal pullup resistance SDATA, SCLK
XRST
TA = â40°C to 110°C
XALERT
SDATA, IOUT = 200 µA
VOL
Low Logic level output
voltage
GPOD, IOUT = 50 µA
VCC or BAT = 7 V,
TA = â40°C to 110°C
VREG = 1.5 V,
XRST, IOUT = 200 µA
VIH
SCLK (hysteresis input) Hysteresis
MIN TYP MAX UNIT
7.5 12 15.5
V
8 12 16
7.5 12 15.5
V
8 12 16
3.3 3.5 3.7
V
0.2
V
0.2
400 1000
µs
400 1000
40 200
µs
40 200
60 100 200
6 10 20 kâ¦
1
3
6
0.2
0.4
0.6
V
0.4
450
mV
AC ELECTRICAL CHARACTERISTICS
TA = 25°C, CREG = 1 µF, CL = 2.2 µF, VCC or BAT = 14 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
tWDTINT
tWDWT
tRST
WDT start up detect time
WDT detect time
XRST Active high time
MIN TYP MAX UNIT
250
500 1000 ms
50
100
150 µs
100
250
560 µs
9
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