BQ24297 Datasheet, PDF (10/48 Pages) Texas Instruments – I2C Controlled 3A Single Cell USB Charger

bq24296
bq24297
SLUSBP6A – SEPTEMBER 2013 – REVISED OCTOBER 2013
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ELECTRICAL CHARACTERISTICS (continued)
V_{VBUS_UVLOZ} < V_VBUS < V_ACOV and V_VBUS > V_BAT + V_SLEEP, T_J = –40°C to 125°C and T_J = 25°C for typical values unless other
noted.
PARAMETER
TEST CONDITIONS
V_{D–_LOWdatref}
R_{D–_DWN}
t_{SDP_DEFAULT}
D– Low comparator threshold
D– Pulldown for connection check
Charging timer with 100mA USB host in
default mode
V_{adpt1_lo}
D+ Low Comparator Threshold for Non-
standard adapter Divider-1
As Percentage of REGN, 0°C – 85°C⁽¹⁾
V_{adpt1_hi}
D+ Low Comparator Threshold for Non-
standard adapter Divider-1
As Percentage of REGN, 0°C – 85°C⁽¹⁾
V_{adpt2_lo}
D+ Low Comparator Threshold for Non-
standard adapter Divider-2
As Percentage of REGN, 0°C – 85°C⁽¹⁾
V_{adpt2_hi}
D+ Low Comparator Threshold for Non-
standard adapter Divider-2
As Percentage of REGN, 0°C – 85°C⁽¹⁾
V_{adpt3_lo}
D- Low Comparator Threshold for Non-
standard adapter Divider-3
As Percentage of REGN, 0°C – 85°C⁽¹⁾
V_{adpt3_hi}
D- High Comparator Threshold for Non-
standard adapter Divider-3
As Percentage of REGN, 0°C – 85°C⁽¹⁾
BAT OVER-VOLTAGE PROTECTION
V_BATOVP
V_{BATOVP_HYST}
t_BATOVP
Battery over-voltage threshold
Battery over-voltage hysteresis
Battery over-voltage deglitch time to disable
charge
V_BAT rising, as percentage of V_{BAT_REG}
V_BAT falling, as percentage of V_{BAT_REG}
THERMAL REGULATION AND THERMAL SHUTDOWN
T_{Junction_REG}
T_SHUT
T_{SHUT_HYS}
Junction temperature regulation accuracy
Thermal shutdown rising temperature
Thermal shutdown hysteresis
Thermal shutdown rising deglitch
REG06[1:0] = 11
Temperature increasing
Temperature increasing delay
Thermal shutdown falling deglitch
Temperature decreasing delay
COLD/HOT THERMISTER COMPARATOR
V_LTF
Cold temperature threshold, TS pin voltage
rising threshold
Charger suspends charge. As Percentage to V_REGN
V_{LTF_HYS}
Cold temperature hysteresis, TS pin voltage
falling
As Percentage to V_REGN
V_HTF
Hot temperature TS pin voltage falling
threshold
As Percentage to V_REGN
V_TCO
Cut-off temperature TS pin voltage falling
threshold
As Percentage to V_REGN
Deglitch time for temperature out of range
detection
V_TS > V_LTF, or V_TS < V_TCO, or V_TS < V_HTF
VBCOLD0
Cold Temperature Threshold, TS pin
Voltage Rising Threshold
As Percentage to V_REGN REG02[1]=0
(Approx. -10◦C w/ 103AT)
VBCOLD0_HYS
As Percentage to V_REGN REG02[1]=0
(Approx. 1◦C w/ 103AT)
VBCOLD1
Cold Temperature Threshold 1, TS pin
Voltage Rising Threshold
As Percentage to V_REGN REG02[1]=1
(Approx. -20◦C w/ 103AT)
VBCOLD1_HYS
As Percentage to V_REGN REG02[1]=1
(Approx. 1◦C w/ 103AT)
VBHOT0
Hot Temperature Threshold, TS pin Voltage As Percentage to V_REGN REG06[3:2]= 01
falling Threshold
(Approx. 55◦C w/ 103AT)
VBHOT0_HYS
As Percentage to V_REGN REG06[3:2]= 01
(Approx. 3◦C w/ 103AT)
VBHOT1
Hot Temperature Threshold 1, TS pin
Voltage falling Threshold
As Percentage to V_REGN REG06[3:2]= 00
(Approx. 60◦C w/ 103AT)
VBHOT1_HYS
As Percentage to V_REGN REG06[3:2]= 00
(Approx. 3◦C w/ 103AT)
VBHOT2
Hot Temperature Threshold 2, TS pin
Voltage falling Threshold
As Percentage to V_REGN REG06[3:2]= 10
(Approx. 65◦C w/ 103AT)
MIN TYP
250
14.25
46.5
48
58.5
60
15.5
17
28.5
30
46.5
48
58.5
60
104
2
1
120
160
30
1
1
73 73.5%
0.4
46.6 47.7
44.2 44.7
10
75.5
76
1
78.5
79
1
35.5
36
3
32.5
33
3
29.5
30
MAX UNITS
400 mV
24.8 kΩ
45 mins
49.5 %
61.5 %
18.5 %
31.5 %
49.5 %
61.5 %
%
%
µs
°C
°C
°C
ms
ms
74 %
%
48.8 %
45.2 %
ms
76.5 %
%
79.5 %
%
36.5 %
%
33.5 %
%
30.5 %
(1) REGN LDO is configured in drop-out mode. VBUS is close to REGN when I_REGN= 0mA.
10
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