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BQ25619 Arkusz danych(PDF) 8 Page - Texas Instruments

Numer części BQ25619
Szczegółowy opis  BQ25619 I2C Controlled 1-Cell 1.5-A Battery Charger with 20-mA Termination and 1-A Boost Operation
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Producent  TI1 [Texas Instruments]
Strona internetowa  http://www.ti.com
Logo TI1 - Texas Instruments

BQ25619 Arkusz danych(HTML) 8 Page - Texas Instruments

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BQ25619
SLUSDF8A – JUNE 2019 – REVISED JULY 2019
www.ti.com
Product Folder Links: BQ25619
Submit Documentation Feedback
Copyright © 2019, Texas Instruments Incorporated
Electrical Characteristics (continued)
VVBUS_UVLOZ < VVBUS < VVBUS_OV and VVBUS > VBAT + VSLEEP, TJ = -40°C to +125°C, and TJ = 25°C for typical values (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VBAT_DPL
BAT depletion falling threshold to turn
off BATFET
VBAT falling
2.18
2.62
V
VPOORSRC
Bad adapter detection threshold
VBUS falling
3.75
3.9
4.0
V
POWER-PATH MANAGEMENT
VSYS_MIN
Typical minimum system regulation
voltage
VBAT=3.2V < SYS_MIN = 3.5V, ISYS
= 0A
3.5
3.65
V
VSYS_OVP
System overvoltage threshold
VREG = 4.35V, Charge disabled, ISYS
= 0A
4.7
V
RON_RBFET
Blocking FET on-resistance
45
RON_HSFET
High-side switching FET on-resistance
62
RON_LSFET
Low-side switching FET on-resistance
71
VBATFET_FWD
BATFET forward voltage in
supplement mode
BAT discharge current 10mA,
converter running
30
mV
BATTERY CHARGER
VREG_RANGE
Typical charge voltage regulation
range
3.5
4.52
V
VREG_STEP
Typical charge voltage step
4.3V < VREG < 4.52V
10
mV
VREG_ACC
Charge voltage accuracy
VREG = 4.2V, TJ = –40°C - 85°C
4.179
4.2
4.221
V
VREG_ACC
Charge voltage accuracy
VREG = 4.35V, TJ = –40°C - 85°C
4.329
4.35
4.371
V
VREG_ACC
Charge voltage accuracy
VREG = 4.45V, TJ = –40°C - 85°C
4.428
4.45
4.472
V
ICHG_RANGE
Typical charge current regulation range
0
1.5
A
ICHG_STEP
Typical charge current regulation step
20
mA
ICHG_ACC
Fast charge current regulation
accuracy
ICHG = 0.24A, VBAT = 3.1V or 3.8V,
TJ = –40°C - 85°C
0.216
0.24
0.264
A
ICHG = 0.72A, VBAT = 3.1V or 3.8V,
TJ = –40°C - 85°C
0.6768
0.72
0.7632
A
ICHG = 1.50A, VBAT = 3.1V or 3.8V,
TJ = –40°C - 85°C
1.41
1.5
1.59
A
IPRECHG_RANGE
Typical pre-charge current range
20
260
mA
IPRECHG_STEP
Typical pre-charge current step
20
mA
IPRECHG_ACC
Precharge current accuracy
VBAT = 2.6V, IPRECHG = 40mA
28
40
52
mA
VBAT = 2.6V, IPRECHG = 120mA
84
120
156
mA
ITERM_RANGE
Typical termination current range
20
260
mA
ITERM_STEP
Typical termination current step
20
mA
ITERM_ACC
Termination current accuracy
ITERM=40mA, ICHG>260mA,
VREG=4.35V, TJ = 0°C - 85°C
30
40
50
mA
ITERM=20mA, ICHG<260mA,
VREG=4.35V, TJ = 0°C - 85°C
10
20
30
mA
VBAT_SHORTZ
Battery short voltage rising threshold to
start pre-charge
VBAT rising
2.13
2.25
2.35
V
VBAT_SHORT
Battery short voltage falling threshold
to stop pre-charge
VBAT falling
1.85
2
2.15
V
IBAT_SHORT
Battery short trickle charging current
VBAT < VBAT_SHORTZ
15
25
30
mA
VBATLOWV
Battery LOWV rising threshold to start
fast-charge
VBAT rising
3
3.12
3.24
V
Battery LOWV falling threshold to stop
fast-charge
VBAT falling
2.7
2.8
2.9
V
VRECHG
Battery recharge threshold
VRECHG=0, VBAT falling (default)
90
120
150
mV
VRECHG=1, VBAT falling
185
210
245
mV


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