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BQ24150A Datasheet, PDF (6/41 Pages) Texas Instruments – Fully Integrated Switch-Mode One-Cell Li-Ion Charger With Full USB Compliance and USB-OTG Support
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bq24150A
bq24151A
SLUS931 – APRIL 2009 ..................................................................................................................................................................................................... www.ti.com
ELECTRICAL CHARACTERISTICS (continued)
Circuit of Figure 1, VBUS = 5 V, HZ_MODE = 0, OPA_MODE = 0 (charger mode operation), TJ = 0°C to 125°C, TJ = 25°C for
typical values (unless otherwise noted)
PARAMETER
TEST CONDITIONS
CHARGE MODE PROTECTION
V(OVP-IN)
Input VBUS OVP threshold voltage
V(OVP_IN) hysteresis
Threshold over VBUS to turn off converter during
charge
VBUS falling from above V(OVP_IN)
V(OVP)
Output OVP threshold voltage
V(OVP) hysteresis
V(CSOUT) threshold over V(OREG) to turn off charger
during charge
Lower limit for V(CSOUT) falling from above V(OVP)
I(LIMIT)
Cycle-by-cycle current limit for charge
Charge mode operation
V(SHORT)
Short-circuit voltage threshold
V(SHORT) hysteresis
V(AUXPWR) falling
V(AUXPWR) rising from below V(SHORT)
I(SHORT)
Short-circuit current
V(AUXPWR) ≤ V(SHORT)
BOOST MODE OPERATION FOR VBUS (OPA_MODE = 1, HZ_MODE = 0)
V(BUS_B)
Boost output voltage (to VBUS pin)
Boost output voltage accuracy
2.5V < V(AUXPWR) < 4.5 V, Open loop
Including line and load regulation
I(BO)
I(BLIMIT)
VBUS(OVP)
V(BAT)MAX
V(BAT)MIN
Maximum output current for boost
Cycle by cycle current limit for boost
Overvoltage protection threshold for boost
(VBUS pin)
VBUS(OVP) hysteresis
Maximum battery voltage for boost (CSOUT
pin)
V(BAT)MAX hysteresis
Minimum battery voltage for boost (AUXPWR
pin)
V(BUS_B) = 5.05 V, 2.5 V < V(AUXPWR) < 4.5 V
V(BUS_B) = 5.05 V, 2.5 V < V(AUXPWR) < 4.5 V
Threshold over VBUS to turn off converter during
boost
VBUS falling from above VBUS(OVP)
V(CSOUT) rising edge during boost
V(CSOUT) falling from above VBATMAX
During boosting
Before boost starts
Output resistance at high-impedance mode
(From VBUS to PGND)
HZ_MODE = 1
PROTECTION
T(SHTDWN)
Thermal trip
Thermal hysteresis
T(CF)
T(32S)
Thermal regulation threshold(3)
Time constant for the 32 second timer
Charge current begins to reduce
32 Second mode
MIN TYP MAX UNIT
6.3
6.5
6.7
V
140
mV
110
117
121
%V(OREG)
11
1.5
2.3
3
A
1.9
2
2.1
V
100
mV
5
10
15 mA
5.05
–3%
200
1
V
3%
mA
A
5.8
6
6.2
V
125
mV
4.75
4.9 5.05
V
200
mV
2.5
V
2.9 3.05
V
165
kΩ
165
10
°C
120
12
32
s
(3) Verified by design
6
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