BQ24195 Datasheet, PDF (10/41 Pages) Texas Instruments – I2C Controlled 2.5A / 4.5A Single Cell USB/Adapter Charger With 5.1V at 1A / 5.1V at 2.1A Synchronous Boost Operation

bq24195
bq24195L
SLUSB97 – OCTOBER 2012
www.ti.com
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
BOOST MODE OPERATION
V_{OTG_REG}
V_{OTG_REG_ACC}
Boost mode output voltage
Boost mode output voltage accuracy
I_OTG
Boost mode output current on PMID
V_{OTG_BAT}
Battery operating voltage for boost mode
V_{OTG_ILIM}
REGN LDO
LSFET cycle-by-cycle current limit
V_REGN
REGN LDO output voltage
I_REGN
REGN LDO current limit
LOGIC I/O PIN CHARACTERISTICS (OTG, CE, STAT)
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)
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
f_HIZ
f_DIG
t_WDT
Digital crude clock
Digital clock
REG05[5:4]=11
TEST CONDITIONS
I(PMID) = 0
I(PMID) = 0
bq24195L
bq24195
bq24195L
bq24195
bq24195L
bq24195
V_VBUS = 10V, I_REGN = 40mA
V_VBUS = 5V, I_REGN = 20mA
V_VBUS = 10V, V_REGN = 3.8V
Sink current = 5 mA
Pull up rail 1.8V
VPULL-UP = 1.8V, SDA and SCL
VPULL-UP = 1.8V, SDA and SCL
Sink current = 5mA
VPULL-UP = 1.8V, SDA and SCL
REGN LDO disabled
REGN LDO enabled
REGN LDO enabled
MIN TYP
MAX UNITS
5.12
–2%
1.0
2.1
3.0
3.2
2.76
3.8
4.83
6.5
V
2%
A
V
V
A
5.6
6
6.4 V
4.75
4.8
4.85 V
50
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
BOOST MODE EFFICIENCY vs PMID LOAD CURRENT
BOOST MODE PMID VOLTAGE REGULATION vs PMID LOAD CURRENT
BAT VOLTAGE vs TEMPERATURE
INPUT CURRENT LIMIT vs TEMPERATURE
CHARGE CURRENT vs TEMPERATURE
Power Up from USB100mA (VBAT 3.2V)
Charge Enable (VBUS 5V)
Charge Disable (VBUS 12V)
Input Current DPM Response without Battery (VBUS 5V, IIN 3A, Charge Disable)
PWM Switching Waveform (VBUS 12V, VBAT 3.8V, ICHG 3A)
PFM Switching Waveform (VBUS 9V, No Battery, ISYS 10 mA, Charge Disable)
Boost Mode Switching Waveform (VBAT 3.8V, ILOAD 1A)
Boost Mode Load Transient (VBAT 3.8V)
FIGURE NO.
Figure 1
Figure 2
Figure 3
Figure 4
Figure 5
Figure 6
Figure 7
Figure 8
Figure 9
Figure 10
Figure 11
Figure 12
Figure 13
Figure 14
10
Submit Documentation Feedback
Product Folder Links: bq24195 bq24195L
Copyright © 2012, Texas Instruments Incorporated