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| BQ40Z60_16 Datasheet, PDF (14/47 Pages) Texas Instruments – Programmable Battery Management Unit | |||
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bq40z60
SLUSAW3C â DECEMBER 2014 â REVISED JULY 2015
www.ti.com
N-CH FET Drive (CHG, DSG) (continued)
Typical values stated where TA = 25°C and VCC = 10.8 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 CONDITIONS
MIN
TYP
MAX UNIT
tF
Fall time
VDSG from VDSG(ON)(TYP) to 1 V, VACP ⥠2.2 V, CL
= 4.7 nF between DSG and ACP, 5.1 kΩ between
DSG and CL, 10 MΩ between ACP and DSG
VCHG from VCHG(ON)(TYP) to 1 V, VACP ⥠2.2 V, CL
= 4.7 nF between CHG and BAT, 5.1 kΩ between
CHG and CL, 10 MΩ between BAT and CHG
VACFET from VACFET(ON)(TYP) to 1 V, VACP ⥠2.2 V,
CL = 4.7 nF between ACFET and ACP, 5.1 kΩ
between CHG and CL, 10 MΩ between ACP and
ACFET
40
300
40
200
µs
40
200
8.30 FUSE Drive (AFEFUSE)
Typical values stated where TA = 25°C and VCC = 10.8 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 CONDITIONS
MIN
TYP
MAX UNIT
VOH
Output voltage high
VIH
IAFEFUSE(PU)
RAFEFUSE
CIN
tDELAY
tRISE
High-level input
Internal pullup current
Output impedance
Input capacitance
Fuse trip detection delay
Fuse output rise time
VBAT ⥠8 V, CL = 1 nF, IAFEFUSE = 0 µA
VBAT < 8 V, CL = 1 nF, IAFEFUSE = 0 µA
VBAT ⥠8 V, VAFEFUSE = VSS
VBAT ⥠8 V, CL = 1 nF, VOH = 0 V to 5 V
6
VBAT â 0.1
7
8.65
V
VBAT
1.5
2.0
2.5 V
150
330 nA
2
2.6
3.2 kΩ
5
pF
128
256 µs
5
20 µs
8.31 Battery Charger Voltage Regulation (VFB)
Typical values stated where TA = 25°C and VCC = 10.8 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 CONDITIONS
MIN
TYP
MAX UNIT
VFB
VFBACC
Regulation range
Voltage feedback
accuracy
Based on internal DAC reference setting
VFB = 1.22 V
0.61
â2%
1.22 V
2%
VFB(STEPS)
Programmable regulation
steps
2.5
mV
RVFB
Total feedback resistor
divider range
500
700 kΩ
8.32 Battery Charger Current Sense (HSRP, HSRN)
Typical values stated where TA = 25°C and VCC = 10.8 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 CONDITIONS
MIN
TYP
MAX UNIT
VIN(Normal
range)
VACC
Differential Input range
Measurement accuracy
DAC range for current measurement
VHSRP â VHSRN = 50 mV, RSense= 10 mΩ
2
â5%
100 mV
5%
14
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