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| BQ24250C_15 Datasheet, PDF (6/46 Pages) Texas Instruments – bq24250C 2A Single Input I2C, Standalone Switch-Mode Li-Ion Battery Charger with Power-Path Management | |||
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bq24250C
SLUSBY7 â JULY 2014
www.ti.com
7.2 Handling Ratings
TSTG
V(ESD)
Electrostatic discharge
Storage temperature range
Human body model (HBM)(1)
(1) The human body model is a 100-pF capacitor discharged through a 1.5-kΩ resistor into each pin.
MIN MAX UNIT
â65 150 °C
0 2000 V
7.3 Recommended Operating Conditions
All voltages are with respect to PGND if not specified. Currents are positive into, negative out of the specified pin. Consult
Packaging Section of the data book for thermal limitations and considerations of packages
IN voltage range
VIN
IN operating voltage range
MIN
4.35
4.35
MAX
18 (1)
10.5
UNIT
V
IIN
ICHG
IDISCHG
RISET
RILIM
PIN
TJ
Input current
Current in charge mode, BAT
Current in discharge mode, BAT
Charge current programming resistor range
Input current limit programming resistor range
Input Power
Operating junction temperature range
2A
2A
4A
75
Ω
105
Ω
12 W
0 125 °C
(1) The inherent switching noise voltage spikes should not exceed the absolute maximum rating on either the BOOT or SW pins. Small
routing loops for the power nets in layout minimize switching noise.
7.4 Thermal Information
THERMAL METRIC(1)
bq24250C
YFF
RGE
UNIT
RθJA
RθJC(top)
RθJB
ÏJT
ÏJB
RθJC(bot)
Junction-to-ambient thermal resistance
Junction-to-case (top) thermal resistance
Junction-to-board thermal resistance
Junction-to-top characterization parameter
Junction-to-board characterization parameter
Junction-to-case (bottom) thermal resistance
76.5
32.9
0.2
32.8
44
10.6
°C/W
1.6
0.3
43.4
10.7
N/A
2.3
(1) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953.
7.5 Electrical Characteristics
VUVLO < VIN < VOVP and VIN > VBAT+VSLP, TJ = 0ºC-125°C and TJ = 25°C for typical values (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
INPUT CURRENTS
VDPM < VIN < VOVP AND VIN > VBAT+VSLP
PWM switching, CE Enable
13
IIN
Supply current from IN
VDPM < VIN < VOVP AND VIN > VBAT+VSLP
PWM switching, CE Disable
5
0°C< TJ < 85°C, High-Z Mode
Battery discharge current in high 0°C< TJ < 85°C, VBAT = 4.2 V,
impedance mode, (BAT, SW, SYS) VIN = 0V or 5V, High-Z Mode
IBAT
Battery discharge current in
0°C< TJ < 85°C, VBAT = 4.2 V,
SYSOFF mode, (BAT, SW, SYS) VIN < UVLO, SYSOFF Mode
170
225
16
22
1
UNIT
mA
μA
μA
6
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