BQ24292I Datasheet, PDF (11/42 Pages) Texas Instruments – I2C Controlled 4.5A Single Cell USB/Adapter Charger With Narrow VDC Power Path Management and USB OTG

www.ti.com
bq24292i
SLUSBI4 – APRIL 2013
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}
V_{OTG_REG_ACC}
I_OTG
OTG output voltage
OTG output voltage accuracy
OTG mode output current
I_(VBUS) = 0
I_(VBUS) = 0
REG01[0] = 0
REG01[0] = 1
t_{OTG_DLY}
OTG mode enable delay
I_(VBUS) = 0
From OTG pin high to VBUS=V_{OTG_REG}
Specified by Design
V_{OTG_OVP}
I_{OTG_ILIM}
I_{OTG_HSZCP}
I_{RBFET_OCP}
OTG over-voltage threshold
LSFET cycle-by-cycle current limit
HSFET under current falling threshold
RBFET over-current threshold
REG01[0] = 1
REG01[0] = 0
t_{OTG_OCP_OFF}
OTG mode overcurrent protection off cycle
time
t_{OTG_OCP_ON}
OTG mode overcurrent protection on cycle
time
REGN LDO
V_REGN
REGN LDO output voltage
V_VBUS = 10V, I_REGN = 40mA
V_VBUS = 5V, I_REGN = 20mA
I_REGN
REGN LDO current limit
V_VBUS = 10V, V_REGN = 3.8V
LOGIC I/O PIN CHARACTERISTICS (OTG, CE, PSEL, STAT, PG)
V_ILO
Input low threshold
V_IH
Input high threshold
V_{OUT_LO}
Output low saturation voltage
I_BIAS
High level leakage current
I²C INTERFACE (SDA, SCL, INT)
Sink current = 5 mA
Pull up rail 1.8V
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 enabled
MIN TYP
MAX UNITS
5.00
–2.5%
0.5
1.3
22
5.3
3.2
4.6
100
1.4
1.8
0.6
1.1
32
100
V
2%
A
A
50 ms
5.5 V
A
mA
2.7
A
1.8
ms
µs
5.6
6
4.75
4.8
50
6.4 V
V
mA
0.4 V
1.3
V
0.4 V
1 µA
1.3
V
0.4 V
0.4 V
1 µA
400 kHz
15
1300
136
35
1500
160
50 kHz
1700 kHz
sec
TYPICAL CHARACTERISTICS
Table 1. Tables of Figures
CHARGING EFFICIENCY vs. CHARGING CURRENT
SYSTEM LIGHT LOAD EFFICIENCY vs SYSTEM LOAD CURRENT
BOOST MODE EFFICIENCY vs VBUS LOAD CURRENT
SYS VOLTAGE REGULATION vs SYSTEM LOAD
BOOST MODE VBUS VOLTAGE REGULATION vs VBUS LOAD CURRENT
SYS VOLTAGE vs TEMPERATURE
BAT VOLTAGE vs TEMPERATURE
INPUT CURRENT LIMIT vs TEMPERATURE
CHARGE CURRENT vs TEMPERATURE
FIGURE NO.
Figure 3
Figure 4
Figure 5
Figure 6
Figure 7
Figure 8
Figure 9
Figure 10
Figure 11
Copyright © 2013, Texas Instruments Incorporated
Product Folder Links :bq24292i
Submit Documentation Feedback
11