BQ25890_16 Datasheet, PDF (15/69 Pages) Texas Instruments – Adjustable Voltage USB On-the-Go Boost Mode

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bq25890, bq25892
SLUSC86B – MARCH 2015 – REVISED MAY 2016
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
REGN LDO
V_(REGN)
REGN LDO output voltage
I_(REGN)
REGN LDO current limit
ANALOG-TO-DIGITAL CONVERTER (ADC)
V_(VBUS) = 9 V, I_(REGN) = 40 mA
V_(VBUS) = 5 V, I_(REGN) = 20 mA
V_(VBUS) = 9 V, V_(REGN) = 3.8 V
5.6
6
6.4 V
4.7
4.8
V
50
mA
RES
Resolution
Rising threshold
7
bits
V_BAT(RANGE) Typical battery voltage range
V_{(BAT_RES)}
Typical battery voltage resolution
V_{(SYS_RANGE)} Typical system voltage range
V_{(SYS_RES)}
Typical system voltage resolution
V_{(VBUS_RANGE)} Typical V_VBUS voltage range
V_(VBUS) > V_BAT + V_(SLEEP) or OTG
mode is enabled
V_(VBUS) < V_BAT + V_(SLEEP) and
OTG mode is disabled
2.304
V_{SYS_MI}
N
V_(VBUS) > V_BAT + V_(SLEEP) or OTG
mode is enabled
V_(VBUS) < V_BAT + V_(SLEEP) and
OTG mode is disabled
2.304
V_{SYS_MI}
N
V_(VBUS) > V_BAT + V_(SLEEP) or OTG
2.6
mode is enabled
4.848 V
4.848 V
20
mV
4.848 V
4.848 V
20
mV
15.3 V
V_{(VBUS_RES)}
I_BAT(RANGE)
Typical V_VBUS voltage resolution
Typical battery charge current range
I_BAT(RES)
Typical battery charge current resolution
V_{(TS_RANGE)}
Typical TS voltage range
V_{(TS_RES)}
Typical TS voltage resolution
LOGIC I/O PIN (OTG, CE, PSEL, QON)
V_(VBUS) > V_BAT + V_(SLEEP) and
V_BAT > V_BAT(SHORT)
100
0
21%
50
0.47%
mV
6.4 A
mA
80%
V_IH
V_IL
I_IN(BIAS)
Input high threshold level
Input low threshold level
High Level Leakage Current
Pull-up rail 1.8 V
Battery only mode
1.3
BAT
0.4 V
1 µA
V
V_(QON)
Internal /QON pull-up
R_(QON)
Internal /QON pull-up resistance
LOGIC I/O PIN (INT, STAT, PG, DSEL)
V_(VBUS) = 9 V
V_(VBUS) = 5 V
5.8
V
4.3
V
200
kΩ
V_OL
Output low threshold level
I_{OUT_BIAS}
High level leakage current
I2C INTERFACE (SCL, SDA)
Sink current = 5 mA, sink current
Pull-up rail 1.8 V
0.4 V
1 µA
V_IH
V_IL
V_OL
I_BIAS
Input high threshold level, SCL and SDA
Input low threshold level
Output low threshold level
High level leakage current
Pull-up rail 1.8 V
1.3
Pull-up rail 1.8 V
Sink current = 5 mA, sink current
Pull-up rail 1.8 V
0.4 V
0.4 V
1 µA
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