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BQ24187 Datasheet, PDF (6/44 Pages) Texas Instruments – 1A USB-OTG Support
bq24187
SLUSBM0 – APRIL 2014
Not Recommended for New Designs
www.ti.com
7.5 Electrical Characteristics
Circuit of Figure 6, VUVLO < VIN < VOVP and VIN > VBAT+VSLP, TJ = –40°C–125°C and TJ=25°C for typical values (unless
otherwise noted)
PARAMETER
INPUT CURRENTS
IIN
Supply current for control
IBAT_HIZ
Battery discharge current in high
impedance mode, (BAT, SW,
CS+)
CHARGER PARAMETERS
RSENSE
Internal Sense Element
Resistance
VBATREG
Charge voltage
Voltage Regulation Accuracy
ICHARGE
Fast charge current range
Fast charge current accuracy
VBATSHRT
VBATSHRT(hys)
IBATSHRT
Battery short circuit threshold
Hysteresis for VLOWV
Battery short circuit charge
current
ITERM
VRCH
VDET(SRC1)
VDET(SRC2)
VDET(SNK)
IDETECT
Termination charge current
Recharge threshold voltage
Battery detection voltage
threshold (TE = 1)
Battery detection current before
charge done (sink current)
TEST CONDITIONS
VUVLO < VIN < VOVP AND VIN>VBAT+VSLP, PWM
switching
VUVLO < VIN < VOVP AND VIN>VBAT+VSLP, PWM
NOT switching
0°C< TJ < 85°C, VIN = 5V, High-Z Mode
0°C< TJ < 85°C, VBAT = 4.2 V, VIN = 5V, SCL, SDA
= 0V or 1.8V, High-Z Mode
0°C< TJ < 85°C, VBAT = 4.2 V, VIN = 0V, SCL, SDA
= 0V or 1.8V
Measured from BAT to
CS+, VBAT = 4.2V, High-Z
mode
YFF
RGE
Operating in voltage regulation, Programmable
range
TJ = 25°C, RGE Package
TJ = 0°C to 85°C, RGE and YFF Package
TJ = 0°C to 125°C, RGE and YFF Package
VLOWV ≤ VBAT < VBAT(REG)
500 mA ≤ ICHARGE ≤ 1A
ICHARGE ≥ 1000mA
Battery voltage falling
VBAT < VLOWV
ITERM ≤ 50mA
50mA < ITERM < 200mA
ITERM ≥ 200mA
Below VOREG
During current source (Turn IBATSHRT off)
During current source (Turn IBATSHRT on)
During current sink
Termination enabled (TE = 1)
MIN
TYP
MAX UNIT
15
mA
6.5
250
μA
15
μA
80
μA
17
25
mΩ
32
47
mΩ
3.5
4.44
V
–0.5%
–0.75%
-1.0%
500
–10%
–5%
1.9
0.5%
0.75%
1.0%
2000
mA
10%
5%
2
2.1
V
100
mV
33.5
50
66.5
mA
–30%
–15%
–15%
100
120
VRCH
VRCH –
200mV
VBATSHRT
7
30%
15%
10%
150
mV
V
mA
6
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