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| BQ40Z50-R2 Datasheet, PDF (13/51 Pages) Texas Instruments – 1-Series, 2-Series, 3-Series, and 4-Series Li-Ion Battery Pack Manager | |||
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www.ti.com
bq40z50-R2
SLUSCS4 â JUNE 2017
7.19 PCHG FET 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 CONDITIONS
MIN
TYP
MAX UNIT
V(FETON)
Output voltage,
PCHG on
VPCHG(ON) = VVCC â VPCHG, 10 MΩ between VCC and
PCHG
6
7
8V
V(FETOFF)
Output voltage,
PCHG off
VPCHG(OFF) = VVCC â VPCHG, 10 MΩ between VCC and
PCHG
â0.4
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 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 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 â 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 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
TEST CONDITIONS
MIN
TYP
MAX UNIT
VTEMP
Internal
VTEMPP
temperature
sensor voltage drift VTEMPP â VTEMPN, assured by design
â1.9
0.177
â2.0
0.178
â2.1
0.179
mV/°C
7.22 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
TEST CONDITIONS
MIN
TYP
MAX UNIT
VIN
RNTC(PU)
Input voltage
range
Internal pullup
resistance
TS1, TS2, TS3, TS4, VBIAS = VREF1
TS1, TS2, TS3, TS4, VBIAS = VREG
TS1, TS2, TS3, TS4
â0.2
â0.2
14.4
0.8 Ã VREF1
V
0.8 Ã VREG
18
21.6 kΩ
RNTC(DRIFT)
Resistance drift
over
TS1, TS2, TS3, TS4
temperature
â360
â280
â200 PPM/°C
Copyright © 2017, Texas Instruments Incorporated
Product Folder Links: bq40z50-R2
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