English
Language : 

BQ24250C_15 Datasheet, PDF (9/46 Pages) Texas Instruments – bq24250C 2A Single Input I2C, Standalone Switch-Mode Li-Ion Battery Charger with Power-Path Management
www.ti.com
bq24250C
SLUSBY7 – JULY 2014
Electrical Characteristics (continued)
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
PWM CONVERTER
RON(BLK)
Internal blocking MOSFET on-
resistance
Measured from IN to PMID
60
100
RON(HS)
Internal high-side MOSFET on-
resistance
Measured from PMID to SW
100
150
RON(LS)
Internal low-side MOSFET on-
resistance
Measured from SW to PGND
110
165
ICbC
fOSC
DMAX
DMIN
TSHTDWN
Cycle-by-cycle current limit
Oscillator frequency
Maximum duty cycle
Minimum duty cycle
Thermal trip
Thermal hysteresis
VSYS shorted
2.6
3.2
3.8
2.7
3
3.3
95%
0%
150
10
TREG
Thermal regulation threshold
Charge current begins to cut off
125
LDO
VLDO
LDO Output Voltage
ILDO
Maximum LDO Output Current
VDO
LDO Dropout Voltage (VIN – VLDO)
BATTERY-PACK NTC MONITOR (1)
VIN = 5.5 V, ILDO = 0 to 50 mA
VIN = 5.0 V, ILDO = 50 mA
4.65
4.95
5.25
50
200
300
VHOT
VHYS(HOT)
VWARM
VHYS(WARM)
High temperature threshold
Hysteresis on high threshold
Warm temperature threshold
Hysteresis on warm temperature
threshold
VTS falling
VTS rising
VTS falling
VTS rising
29.6
30
30.4
0.6
0.9
1.2
37.9
38.3
38.7
0.6
0.9
1.2
VCOOL
VHSY(COOL)
Cool temperature threshold
Hysteresis on cool temperature
threshold
VTS rising
VTS falling
48.1
48.5
48.9
0.6
0.9
1.2
VCOLD
Low temperature threshold
VHYS(COLD)
Hysteresis on low threshold
VFRZ
Freeze temperature threshold
VHYS(FRZ)
Hysteresis on freeze threshold
ITS
TS current in charge mode
INPUTS (EN1, EN2, CE, SCL, SDA)
VTS rising
VTS falling
VTS rising
VTS falling
VIN = 5.0 V, VTS = 2.0 V, VBAT = 3.5 V
59.6
60
60.4
0.6
0.9
1.2
62
62.5
63
0.6
0.9
1.2
0.005
0.1
VIH
Input high threshold
VIL
Input low threshold
STATUS OUTPUTS (CHG, STAT, INT)
1
0.4
VOL
Low-level output saturation voltage IO = 5 mA, sink current
0.4
IIH
High-level leakage current
Hi-Z and 5V applies
1
UNIT
mΩ
mΩ
mΩ
A
MHz
°C
V
mA
mV
% VLDO
µA
V
V
V
µA
Copyright © 2014, Texas Instruments Incorporated
Product Folder Links: bq24250C
Submit Documentation Feedback
9