BQ24160A_15 Datasheet, PDF (9/52 Pages) Texas Instruments – bq2416xx 2.5A, Dual-Input, Single-Cell Switched-Mode Li-Ion Battery Charger with Power Path Management and I2C Interface

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bq24160, bq24160A, bq24161
bq24161B, bq24163, bq24168
SLUSAO0F – NOVEMBER 2011 – REVISED JULY 2014
Electrical Characteristics (continued)
Circuit of Figure 21, V_SUPPLY = V_USB or V_IN (whichever is supplying the IC), V_UVLO < V_SUPPLY < V_OVP and V_SUPPLY > V_BAT+V_SLP, T_J
= -40°C – 125°C and T_J = 25ºC for typical values (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
Internal top N-channel Switching MOSFET on-
resistance
Measured from PMIDU to SW
Measured from PMIDI to SW
100
175
mΩ
65
110
Internal bottom N-channel MOSFET on-resistance
Measured from SW to PGND
65
115
mΩ
f_OSC
Oscillator frequency
D_MAX
Maximum duty cycle
D_MIN
Minimum duty cycle
BATTERY-PACK NTC MONITOR
1.35
1.50
1.65 MHz
95%
0%
V_HOT
V_HYS(HOT)
V_WARM
V_HYS(WARM)
V_COOL
V_HYS(COOL)
V_COLD
V_HYS(COLD)
TSOFF
High temperature threshold
Hysteresis on high threshold
High temperature threshold
Hysteresis on high threshold
Low temperature threshold
Hysteresis on low threshold
Low temperature threshold
Hysteresis on low threshold
TS Disable threshold
t_DGL(TS)
Deglitch time on TS change
D+/D– DETECTION (bq24160)
V_TS falling
V_TS rising
V_TS falling
V_TS rising
V_TS falling
V_TS rising
V_TS falling
V_TS rising
V_TS rising, 2%V_DRV hysteresis
29.7
37.9
56
59.5
70
30
1
38.3
1
56.5
1
60
1
50
30.5
%V_DRV
39.6
%V_DRV
56.9
%V_DRV
60.4
%V_DRV
73 %V_DRV
ms
V_{D+_SRC}
I_{D+_SRC}
I_{D-_SINK}
I_{D_LKG}
D+ Voltage Source
D+ Connection Check Current Source
D- Current Sink
Leakage Current into D+/D-
D–, switch open
D+, switch open
0.5
0.6
0.7
V
7
14
µA
50
100
150
µA
–1
1
µA
–1
1
µA
V_{D+_LOW}
D+ Low Comparator Threshold
V_{D-_LOWdatref} D- Low Comparator Threshold
R_{D-_DWN}
D- Pulldown for Connection Check
BATGD OPERATION
0.8
250
14.25
V
400
mV
24.8
kΩ
V_BATGD
Good Battery threshold
Deglitch for good battery threshold
V_BAT rising to HIGH-Z mode, DEFAULT Mode Only
3.6
3.8
3.9
V
32
ms
I²C COMPATIBLE INTERFACE
V_IH
V_IL
V_OL
I_BIAS
t_WATCHDOG
Input low threshold level
Input low threshold level
Output low threshold level
High-Level leakage current
Watchdog timer timeout
V_PULL-UP = 1.8V, SDA and SCL
V_PULL-UP = 1.8V, SDA and SCL
I_L = 10mA, sink current
V_PULL-UP = 1.8V, SDA and SCL
(bq24160/1/3 Only)
1.3
V
0.4
V
0.4
V
1
μA
30
s
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