BQ25173-Q1
ZHCSSP1 –JULY 2023
www.ti.com.cn
6.5 Electrical Characteristics
3.0V < VIN < 18V and VIN > VOUT + VSLEEP, TJ = -40°C to +125°C, and TJ = 25°C for typical values (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
QUIESCENT CURRENTS
OUT= 4.2V, IN floating or IN = 0V - 5V,
Charge Disabled (CE high), TJ = 25 °C
0.350
0.350
0.8
0.6 µA
0.8 µA
1.2 µA
1.5 µA
IQ_OUT
IQ_OUT
ISD_IN
Quiescent output current (OUT)
Quiescent output current (OUT)
OUT= 4.2V, IN floating or IN = 0V - 5V,
Charge Disabled (CE high), TJ < 105 °C
OUT = 8.4V, IN floating or IN = 0V - 14V,
Charge Disabled (CE high), TJ = 25 °C
OUT = 8.4V, IN floating or IN = 0V - 14V,
Charge Disabled (CE high), TJ < 105 °C
0.8
IN = 5V, Charge Disabled (CE high), no
capacitor
2
4
6
µA
µA
Shutdown input current (IN) with
charge disabled
IN = 14V, Charge Disabled (CE high), no
capacitor
3.5
IN = 5V, OUT = 3.8V, Charge Enabled (CE
low), ICHG = 0A
IQ_IN
IQ_IN
Quiescent input current (IN)
Quiescent input current (IN)
0.45
0.45
0.6 mA
0.6 mA
IN = 14V, OUT = 7.6V, Charge Enabled (CE
low), ICHG = 0A
INPUT
VIN_OP
IN operating range
3.0
18
V
V
VIN_LOWV
VIN_LOWV
IN voltage to start charging
IN rising
IN falling
3.05
3.09
2.95
3.15
IN voltage to stop charging
2.80
95
3.10
V
VSLEEPZ
VSLEEP
VIN_OV
Exit sleep mode threshold
IN rising, VIN - VOUT, OUT = 4V
IN falling, VIN - VOUT, OUT = 4V
IN rising
135
80
175 mV
mV
Enter sleep mode threshold
VIN overvoltage rising threshold
VIN overvoltage falling threshold
18.1
18.4
18.2
18.7
350
1
V
V
VIN_OVZ
IN falling
CONFIGURATION PINS SHORT/OPEN PROTECTION
RISET below this at startup, charger does not
initiate charge, power cycle or CE toggle to
reset
Highest resistor value considered
short
RISET_SHORT
Ω
CHARGER
VFB_REF
Feedback reference voltage
0.8
V
VFB_REF_ACC
Feedback reference voltage accuracy
-1
%
Tj = -40℃to 125℃
Typical charge current regulation
range
ICHG_RANGE
KISET
VOUT > VBAT_LOWV
10
800 mA
330
Charge current setting factor, ICHG
KISET / RISET
=
10mA < ICHG < 800mA
270
300
AΩ
720
450
90
800
500
100
10
880 mA
550 mA
110 mA
11 mA
RISET = 375Ω, OUT = 3.8V or 7.6V
RISET = 600Ω, OUT = 3.8V or 7.6V
RISET = 3.0kΩ, OUT = 3.8V or 7.6V
RISET = 30kΩ, OUT = 3.8V or 7.6V
ICHG_ACC
Charge current accuracy
9
OUT rising, as percentage of FB regulation
target
VCHG
Supercapacitor charged threshold
Charging path FET on-resistance
98
%
IOUT = 400mA, TJ = 25°C
845
845
1000
1450
mΩ
mΩ
RON
IOUT = 400mA, TJ = -40 - 125°C
CHARGER PROTECTION
IOUT_OCP Output current limit threshold
IOUT rising
0.9
1
1.1
A
Copyright © 2023 Texas Instruments Incorporated
English Data Sheet: SLUSF68
6
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