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| BQ40Z50-R1 Datasheet, PDF (13/55 Pages) Texas Instruments – Li-Ion Battery Pack Manager | |||
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www.ti.com
bq40z50-R1
SLUSCB3 â JULY 2015
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 = 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 Electrical Characteristics: 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 Electrical Characteristics: 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
temperature
sensor voltage
drift
VTEMPP
VTEMPP â VTEMPN, assured by design
â1.9
0.177
â2.0
0.178
â2.1
0.179
mV/°C
7.22 Electrical Characteristics: 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 x VREF1
V
0.8 x VREG
18
21.6 kΩ
RNTC(DRIFT)
Resistance drift
over
TS1, TS2, TS3, TS4
temperature
â360
â280
â200 PPM/°C
Copyright © 2015, Texas Instruments Incorporated
Product Folder Links: bq40z50-R1
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