BQ24133 Datasheet, PDF (9/35 Pages) Texas Instruments – 1.6-MHz Synchronous Switch-Mode Li-Ion and Li-Polymer Stand-Alone Battery Charger with Integrated MOSFETs and Power Path Selector

bq24133
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SLUSAF7B – DECEMBER 2010 – REVISED MAY 2011
ELECTRICAL CHARACTERISTICS (continued)
4.5V ≤ V(PVCC, AVCC) ≤ 17V, –40°C < T_J + 125°C, typical values are at T_A = 25°C, with respect to AGND (unless otherwise
noted)
PARAMETER
TEST CONDITIONS
BAT OVER-VOLTAGE COMPARATOR
V_{OV_RISE}
Over-voltage rising threshold
V_{OV_FALL}
Over-voltage falling threshold
INPUT OVER-VOLTAGE COMPARATOR (ACOV)
As percentage of V_{BAT_REG}
As percentage of V_SRN
V_ACOV
AC Over-Voltage Rising Threshold to turn
off ACFET
OVPSET rising
V_{ACOV_HYS}
t_{ACOV_RISE_DEG}
AC over-voltage falling hysteresis
AC Over-Voltage Rising Deglitch to turn off
ACFET and Disable Charge
OVPSET falling
OVPSET rising
t_{ACOV_FALL_DEG}
AC Over-Voltage Falling Deglitch to Turn on
ACFET
OVPSET falling
INPUT UNDER-VOLTAGE COMPARATOR (ACUV)
V_ACUV
AC Under-Voltage Falling Threshold to turn
off ACFET
OVPSET falling
V_{ACUV_HYS}
t_{ACOV_FALL_DEG}
AC Under-Voltage Rising Hysteresis
AC Under-Voltage Falling Deglitch to turn
off ACFET and Disable Charge
OVPSET rising
OVPSET falling
t_{ACOV_RISE_DEG}
AC Under-Voltage Rising Deglitch to turn on
ACFET
OVPSET rising
THERMAL REGULATION
T_{J_REG}
Junction Temperature Regulation Accuracy ISET > 120mV, Charging
THERMAL SHUTDOWN COMPARATOR
T_SHUT
Thermal shutdown rising temperature
T_{SHUT_HYS}
Thermal shutdown hysteresis
t_{SHUT_RISE_DEG}
Thermal shutdown rising deglitch
t_{SHUT_FALL_DEG}
Thermal shutdown falling deglitch
THERMISTOR COMPARATOR
Temperature rising
Temperature falling
Temperature rising
Temperature falling
V_LTF
V_{LTF_HYS}
Cold Temperature Threshold, TS pin
Voltage Rising Threshold
Cold Temperature Hysteresis, TS pin
Voltage Falling
Charger suspends charge. As percentage to
V_VREF
As percentage to V_VREF
V_HTF
Hot Temperature TS pin voltage rising
Threshold
As percentage to V_VREF
V_TCO
Cut-off Temperature TS pin voltage falling
Threshold
As percentage to V_VREF
t_{TS_CHG_SUS}
Deglitch time for Temperature Out of Range V_TS > V_LTF, or V_TS < V_TCO, or
Detection
V_TS < V_HTF
t_{TS_CHG_RESUME}
Deglitch time for Temperature in Valid
Range Detection
V_TS < V_LTF – V_{LTF_HYS} or V_TS >V_TCO, or V_TS >
V_HTF
CHARGE OVER-CURRENT COMPARATOR (CYCLE-BY-CYCLE)
V_{OCP_CHRG}
Charge Over-Current Rising Threshold,
V_SRP>2.2V
V_{OCP_MIN}
Charge Over-Current Limit Min, V_SRP<2.2V
V_{OCP_MAX}
Charge Over-Current Limit Max, V_SRP>2.2V
HSFET OVER-CURRENT COMPARATOR (CYCLE-BY-CYCLE)
Current as percentage of fast charge current
Measure V_SRP-SRN
Measure V_SRP-SRN
I_{OCP_HSFET}
Current limit on HSFET
Measure on HSFET
CHARGE UNDER-CURRENT COMPARATOR (CYCLE-BY-CYCLE)
V_UCP
Charge under-current falling threshold
Measure on V_(SRP-SRN)
MIN
TYP MAX UNITS
104%
102%
1.55
1.6 1.65
V
50
mV
1
µs
30
ms
0.45
0.5 0.55
V
100
mV
1
µs
30
ms
120
°C
150
°C
20
°C
100
µs
10
ms
72.5% 73.5% 74.5%
0.2%
0.4% 0.6%
46.6% 47.2% 48.8%
44.2% 44.7% 45.2%
20
ms
400
ms
160%
45
75
6
1
5
mV
mV
A
9 mV
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