BQ25872 Datasheet, PDF (7/68 Pages) Texas Instruments – Battery Switch Charger

www.ti.com
bq25872
SLUSCQ6 – OCTOBER 2016
6.5 Electrical Characteristics
Unless otherwise noted, the specification in the following table applies over operating ambient temperature range –40 °C ≤ T_A
≤ 85 °C. Typical values are for T_A = 25 °C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
QUIESCENT CURRENTS
I_{Q_OP}
Adaptor operation
quiescent current
ADC disabled (ADC_EN = 0), charge
disabled (CHG_EN = 0), EN = low, V_VUSB=
3.6 V, VOUT floating, current into VBUS
and VUSB
ADC enabled (ADC_EN = 1), charge
disabled (CHG_EN = 0), EN = high,
V_VUSB= 3.6 V, VOUT floating, current into
VBUS and VUSB
115
145
µA
1.75
2.0 mA
ADC disabled (ADC_EN = 0), charge
disabled (CHG_EN = 0), EN = low, V_VOUT
= 3.6 V, current into VOUT
20
30
µA
I_{Q_BAT}
ADC disabled (ADC_EN = 0), charge
Battery quiescent current disabled (CHG_EN = 0), EN = high, V_VOUT
= 3.6 V, current into VOUT
80
120
µA
ADC enable (ADC_EN = 1), charge
disabled (CHG_EN = 0), EN = high, V_VOUT
= 3.6 V, current into VOUT
1.35
1.75 mA
RESISTANCE AND LEAKAGE
R_ON
V_{VBUS_PD}
VBUS to VOUT
resistance
VBUS pull-down
resistance
V_VBUS = 3.6 V, T_A = 25 °C
V_VBUS = 3.6 V, –40 °C ≤ T_A ≤ 85 °C
VBUS_PD_EN = '1'
13
16 mΩ
13
22 mΩ
0.5
1.0
1.35
kΩ
INTERNAL THRESHOLDS
V_{USB_PRESENT}
Rising
Falling hysteresis
3.2
V
375
mV
V_{BUS_PRESENT}
Rising
Falling hysteresis
2.8
V
120
mV
V_{BAT_INSERT}
Rising
Falling hysteresis
2.8
V
120
mV
T_SHUT
Internal thermal
shutdown- rising
150
°C
T_{SHUT_HYS}
I_RCP
TSHUT falling hysteresis
Current from VOUT to
VBUS
RCP_SET = '0'
RCP_SET = '1'
30
°C
0.10
0.25
0.40
A
2.75
3.00
3.25
A
I_SCP
Short circuit current from
VBUS to VOUT
10
A
VUSBOVP_setting = 6.5
V
leave pin floating, resistance to ground
100
kΩ
V_OVPSET
VUSBOVP_setting =
10.5 V
Tie to GND with a 22-kΩ series resistor,
resistance to ground
17.6
26.4
kΩ
VUSBOVP_setting =
14.0 V
Short to ground, resistance to ground
2.0
kΩ
Copyright © 2016, Texas Instruments Incorporated
Product Folder Links: bq25872
Submit Documentation Feedback
7