BQ24296_15 Datasheet, PDF (9/55 Pages) Texas Instruments – bq2429x I2C Controlled 3-A Single Cell USB Charger With Narrow VDC Power Path Management and Adjustable Voltage USB OTG

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bq24296, bq24297
SLUSBP6B – SEPTEMBER 2013 – REVISED NOVEMBER 2014
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
MIN TYP MAX UNIT
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
250
14.25
400 mV
24.8 kΩ
45 mins
V_{adpt1_lo}
D+ low comparator threshold for non-
standard adapter Divider-1
As percentage of REGN, 0°C – 85°C⁽¹⁾
46.5% 48% 49.5%
V_{adpt1_hi}
D+ low comparator threshold for non-
standard adapter divider-1
As percentage of REGN, 0°C – 85°C⁽¹⁾
58.5% 60% 61.5%
V_{adpt2_lo}
D+ low comparator threshold for non-
standard adapter divider-2
As percentage of REGN, 0°C – 85°C⁽¹⁾
15.5% 17% 18.5%
V_{adpt2_hi}
D+ low comparator threshold for Non-
standard adapter divider-2
As percentage of REGN, 0°C – 85°C⁽¹⁾
28.5% 30% 31.5%
V_{adpt3_lo}
D- low comparator threshold for non-
standard adapter divider-3
As percentage of REGN, 0°C – 85°C⁽¹⁾
46.5% 48% 49.5%
V_{adpt3_hi}
D- high comparator threshold for non-
standard adapter divider-3
As percentage of REGN, 0°C – 85°C⁽¹⁾
58.5% 60% 61.5%
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}
104%
2%
1
µs
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
120
°C
160
°C
30
°C
1
ms
Thermal shutdown falling deglitch
Temperature decreasing delay
1
ms
COLD/HOT THERMISTER COMPARATOR
V_LTF
Cold temperature threshold, TS pin
voltage rising threshold
Charger suspends charge. as percentage to V_REGN
73% 73.5% 74%
V_{LTF_HYS}
Cold temperature hysteresis, TS pin
voltage falling
As percentage to V_REGN
0.4%
V_HTF
Hot temperature TS pin voltage rising
threshold
As percentage to V_REGN
46.6% 47.2% 48.8%
V_TCO
Cut-off temperature TS pin voltage falling
threshold
As percentage to V_REGN
44.2% 44.7% 45.2%
Deglitch time for temperature out of range
detection
V_TS > V_LTF, or V_TS < V_TCO, or V_TS < V_HTF
10
ms
VBCOLD0
Cold temperature threshold, TS pin
voltage rising threshold
As percentage to V_REGN REG02[1] = 0
(Approx. -10°C w/ 103AT)
75.5% 76% 76.5%
VBCOLD0_HYS
As percentage to V_REGN REG02[1] = 0
(Approx. 1°C w/ 103AT)
1%
VBCOLD1
Cold temperature threshold 1, TS pin
voltage rising threshold
As percentage to V_REGN REG02[1] = 1
(Approx. -20°C w/ 103AT)
78.5% 79% 79.5%
VBCOLD1_HYS
As percentage to V_REGN REG02[1] = 1
(Approx. 1°C w/ 103AT)
1%
VBHOT0
Hot temperature threshold, TS pin voltage As percentage to V_REGN REG06[3:2] = 01
falling threshold
(Approx. 55°C w/ 103AT)
35.5% 36% 36.5%
VBHOT0_HYS
As percentage to V_REGN REG06[3:2] = 01
(Approx. 3°C w/ 103AT)
3%
VBHOT1
Hot temperature threshold 1, TS pin
voltage falling threshold
As percentage to V_REGN REG06[3:2] = 00
(Approx. 60°C w/ 103AT)
32.5% 33% 33.5%
VBHOT1_HYS
As percentage to V_REGN REG06[3:2] = 00
(Approx. 3°C w/ 103AT)
3%
(1) REGN LDO is configured in drop-out mode. VBUS is close to REGN when I_REGN = 0 mA.
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