BQ24297 Datasheet, PDF (12/48 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
BOOST MODE OPERATION
V_{OTG_REG_ACC}
V_{OTG_REG_ACC}
V_{OTG_BAT}
I_OTG
OTG output voltage
OTG output voltage accuracy
Battery voltage exiting OTG mode
OTG mode output current
I(VBUS)=0, REG06[7:4]=0111 (4.998V)
I(VBUS) = 0, REG06[7:4]=0111 (4.998V)
BAT falling, REG04[1]=1
REG01[0] = 0
REG01[0] = 1
V_{OTG_OVP}
V_{OTG_OVP_HYS}
I_{OTG_LSOCP}
I_{OTG_HSZCP}
I_{RBFET_OCP}
OTG over-voltage threshold
OTG over-voltage threshold hysteresis
LSFET cycle by cycle current limit
HSFET under current falling threshold
RBFET over-current threshold
Rising Threshold
Falling Threshold
REG01[0] = 0
REG01[0] = 1
t_{OTG_OCP_OFF}
OTG mode over-current protection off cycle
time
t_{OTG_OCP_ON}
OTG mode over-current protection on cycle
time
REGN LDO
V_REGN
I_REGN
QON Timing
REGN LDO output voltage
REGN LDO current limit
V_VBUS = 6V, I_REGN = 40mA
V_VBUS = 5V, I_REGN = 20mA
V_VBUS = 5V, V_REGN = 3.8V
t_QON
QON pin high time to turn on BATFET
LOGIC I/O PIN CHARACTERISTICS (OTG, CE, STAT, QON, PSEL, PG)
V_ILO
V_IH
V_{OUT_LO}
I_BIAS
Input low threshold
Input high threshold
Output low saturation voltage
High level leakage current (OTG, CE,
STAT , PSEL, PG)
Sink current = 5 mA
Pull up rail 1.8V
I_BIAS
High level leakage current (QON)
I²C INTERFACE (SDA, SCL, INT)
Pull up rail 3.6V
V_IH
Input high threshold level
V_IL
Input low threshold level
V_OL
Output low threshold level
I_BIAS
High-level leakage current
f_SCL
SCL clock frequency
DIGITAL CLOCK AND WATCHDOG TIMER
VPULL-UP = 1.8V, SDA and SCL
VPULL-UP = 1.8V, SDA and SCL
Sink current = 5mA
VPULL-UP = 1.8V, SDA and SCL
f_HIZ
f_DIG
t_WDT
Digital crude clock
Digital clock
REG05[5:4]=11
REGN LDO disabled
REGN LDO enabled
REGN LDO disabled
REGN LDO enabled
MIN TYP
MAX UNITS
5
-3
2.9
1
1.5
5.8
6
300
5
100
1.00 1.15
1.50 1.70
32
260
V
3%
V
A
A
V
mV
A
mA
1.30
A
1.90
ms
µs
4.8
5
4.7
4.8
50
5.5 V
V
mA
2
ms
0.4 V
1.3
V
0.4 V
1 µA
8 µA
1.3
V
0.4 V
0.4 V
1 µA
400 kHz
15
1300
112
136
35
1500
160
160
50 kHz
1700 kHz
sec
12
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