BQ25606 Datasheet, PDF (7/43 Pages) Texas Instruments – Standalone 3.0-A, Single Cell Battery Charger With 40V Over Voltage Protection Controller

bq25606
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7.4 Timing Requirements
Parameter
VBUS/BAT POWER UP
t_ACOV
VAC OVP reaction time
t_DEB
VAC debounce time (time before
ACDRV pulling high)
t_BADSRC
Bad adapter detection duration
BATTERY CHARGER
t_{TERM_DGL}
t_{RECHG_DGL}
t_{SYSOVLD_DGL}
Deglitch time for charge termination
Deglitch time for recharge
System over-current deglitch time to
turn off Q4
t_BATOVP
Battery over-voltage deglitch time to
disable charge
t_SAFETY
Typical Charge Safety Timer Range
Additional Information
VAC rising above ACOV threshold to
turn off Q2
VAC rising above V_{VAC_PRESENT}
threshold to ACDRV pulling high
SLUSCK6 – MAY 2017
MIN NOM MAX
UNIT
200
ns
15
ms
30
ms
250
ms
250
ms
100
µs
1
µs
8
10
12
hr
7.5 Electrical Characteristics
V_{VAC_PRESENT} < V_VAC < V_{VAC_OV} and V_VAC > V_BAT + V_SLEEP, T_J = –40°C to 125°C and T_J = 25°C for typical values (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
QUIESCENT CURRENTS
I_BAT
Battery discharge current (BAT, SW,
SYS) in buck mode
V_BAT = 4.5 V, V_BUS < V_AC-UVLOZ,
leakage between BAT and
VBUS, T_J< 85°C
I_BAT
Battery discharge current (BAT, SW,
SYS)
V_BAT = 4.5 V, No VBUS, T_J <
85°C
5 µA
58
85 µA
I_VBUS
Input supply current (VBUS) in buck
mode
V_VBUS = 12 V, V_VBUS > V_VBAT,
converter not switching
1.5
3 mA
I_VBUS
Input supply current (VBUS) in buck
mode
V_VBUS > VUVLO, V_VBUS > V_VBAT,
converter switching, VBAT =
3.8V, ISYS = 0A
3
mA
I_BOOST
Battery discharge current in boost mode
V_BAT = 4.2 V, boost mode, I_VBUS
= 0 A, converter switching
3
mA
VBUS, VAC AND BAT PIN POWER-UP
V_{BUS_OP}
V_{VAC_PRESENT}
V_{VAC_PRESENT_H}
YS
VBUS operating range
OVPFET turn-on threshold
V_SLEEP
Sleep mode falling threshold
V_SLEEPZ
V_{VAC_OV_RISE}
V_{VAC_OV_HYS}
V_{BAT_DPL_FALL}
Sleep mode rising threshold
VAC Overvoltage rising threshold
VAC Overvoltage hysteresis
Battery depletion falling threshold (Q4
turn-off threshold)
V_VBUS rising
V_VAC rising
V_VAC falling
(V_VAC–V_VBAT ), V_{BUSMIN_FALL} ≤
V_BAT ≤ V_REG, VAC falling
(V_VAC–V_VBAT ), V_{BUSMIN_FALL} ≤
V_BAT ≤ V_REG, VAC rising
VAC rising
VAC falling
V_BAT falling
3.9
3.36
3.65
300
37
76
130
220
13.5 14.28
520
2.15
13.5
V
3.97
V
mV
126 mV
350 mV
14.91
V
mV
2.6
V
V_{BAT_DPL_RISE}
Battery Depletion rising threshold (Q4
turn-on threshold)
V_BAT rising
2.35
2.82
V
V_{BAT_DPL_HYST} Battery Depletion rising hysteresis
V_BAT rising
180
V_{BUSMIN_FALL} Bad adapter detection falling threshold V_BUS falling
3.65
3.8
V_{BUSMIN_HYST} Bad adapter detection hysteresis
200
I_BADSRC
Bad adapter detection current source Sink current from VBUS to GND
30
POWER-PATH
mV
3.93
V
mV
mA
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