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BQ27741-G1_14 Datasheet, PDF (5/39 Pages) Texas Instruments – Single Cell Li-Ion Battery Fuel Gauge with Integrated Protection
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Recommended Operating Conditions
TA = 25°C, CREG25 = 1.0 µF, and VVPWR = 3.6 V (unless otherwise noted)
PARAMETER
TEST CONDITION
VVPWR
Supply voltage
No operating restrictions
No FLASH writes
CVPWR
CREG25
ICC
ISLP
IFULLSLP
ISHUTDOWN
VOL
External input capacitor for internal
LDO between VPWR and VSS
External output capacitor for
internal LDO between REG25 and
VSS
Normal operating mode
current(1)(2) (VPWR)
SLEEP mode current(1)(2) (VPWR)
FULLSLEEP mode current(1)(2)
(VPWR)
Shutdown mode current(1)(2)
(VPWR)
Output voltage low (SCL, SDA,
HDQ, RA0, RC2)
Nominal capacitor values specified.
Recommend a 5% ceramic X5R
type capacitor located close to the
device.
Fuel gauge in NORMAL mode.
ILOAD > Sleep Current with charge
pumps on (FETs on)
Fuel gauge in SLEEP+ mode.
ILOAD < Sleep Current with charge
pumps on (FETs on)
Fuel gauge in SLEEP mode.
ILOAD < Sleep Current with charge
pumps on (FETs on)
Fuel gauge in SHUTDOWN mode.
UVP tripped with fuel gauge and
protector turned off (FETs off)
VVPWR = 2.5 V
TA = 25°C
TA = –40°C to 85°C
IOL = 1 mA
VOH(OD)
VIL
Output voltage high (SDA, SCL,
HDQ, RA0, RC2)
Input voltage low (SDA, SCL,
HDQ, RA0)
External pullup resistor connected
to VREG25
VIH(OD)
Input voltage high (SDA, SCL,
HDQ, RA0)
VA1
Input voltage range (TS)
VA2
Input voltage range (BAT)
VA3
Input voltage range (SRP, SRN)
Ilkg
tPUCD
Input leakage current (I/O pins)
Power-up communication delay
(1) All currents are specified as charge pump on (FETs on).
(2) All currents are continuous average over 5-second period.
MIN
2.8
2.45
0.47
VREG25 – 0.5
–0.3
1.2
VSS – 0.125
VSS – 0.125
VVPWR –
0.125
NOM
0.1
1.0
167
88
40
0.1
250
bq27741-G1
SLUSBF2 – JULY 2013
MAX
5.0
2.8
UNIT
V
µF
µF
µA
µA
µA
0.2 µA
0.5 µA
0.4 V
V
0.6 V
5.5 V
2V
5V
VVPWR +
V
0.125
0.3 µA
ms
Copyright © 2013, Texas Instruments Incorporated
Product Folder Links: bq27741-G1
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