BQ24298_15 Datasheet, PDF (9/51 Pages) Texas Instruments – bq24298 I2C Controlled 3A Single Cell USB Charger With Narrow VDC Power Path Management and Adjustable Voltage USB OTG

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bq24298
SLUSC59 – APRIL 2015
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
otherwise noted)
PARAMETER
TEST CONDITIONS
MIN TYP MAX UNIT
I_{OTG_LSOCP}
I_{OTG_HSZCP}
I_{RBFET_OCP}
LSFET cycle by cycle current limit
HSFET under current falling threshold
RBFET over-current threshold
REG01[0] = 0
REG01[0] = 1
5
A
100
mA
1.00 1.15 1.30
A
1.50 1.70 1.90
REGN LDO
V_REGN
REGN LDO output voltage
V_VBUS = 6 V, I_REGN = 40 mA
V_VBUS = 5 V, I_REGN = 20 mA
I_REGN
REGN LDO current limit
V_VBUS = 5 V, V_REGN = 3.8 V
LOGIC I/O PIN CHARACTERISTICS (OTG, CE, STAT, QON, PSEL, PG)
4.8
5
5.5 V
4.7
4.8
V
50
mA
V_ILO
Input low threshold
V_IH
Input high threshold (CE, STAT, QON,
PSEL, PG)
0.4 V
1.3
V
V_{IH_OTG}
V_{OUT_LO}
I_BIAS
Input high threshold (OTG)
Output low saturation voltage
High level leakage current (OTG, CE,
STAT , PSEL, PG)
Sink current = 5 mA
Pull-up rail 1.8 V
1.1
V
0.4 V
1 µA
I_BIAS
High level leakage current (QON)
I²C INTERFACE (SDA, SCL, INT)
Pull-up rail 3.6 V
8 µA
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 = 1.8 V, SDA and SCL
VPULL-UP = 1.8 V, SDA and SCL
Sink current = 5 mA
VPULL-UP = 1.8 V, SDA and SCL
1.3
V
0.4 V
0.4 V
1 µA
400 kHz
f_HIZ
Digital crude clock
f_DIG
Digital clock
REGN LDO disabled
REGN LDO enabled
15
1300
35
1500
50 kHz
1700 kHz
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