BQ25895_16 Datasheet, PDF (9/67 Pages) Texas Instruments – Adjustable Voltage 3.1-A Boost Operation

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bq25895
SLUSC88A – 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
INPUT VOLTAGE / CURRENT REGULATION
V_{IN(DPM_RANGE)}
V_{IN(DPM_STEP)}
V_{IN(DPM_ACC)}
I_{IN(DPM_RANGE)}
I_{IN(DPM_STEP)}
I_{IN(DPM100_ACC)}
Typical Input voltage regulation range
Typical Input voltage regulation step
Input voltage regulation accuracy
Typical Input current regulation range
Typical Input current regulation step
Input current 100-mA regulation accuracy
V_BAT = 5 V, current pulled from SW
VINDPM = 4.4 V, 9 V
IINLIM (REG00[5:0]) =100 mA
USB150, IINLIM (REG00[5:0]) =
150 mA
3.9
15.3 V
100
mV
3%
3%
100
3250 mA
50
mA
85
90
100 mA
125
135
150 mA
I_{IN(DPM_ACC)}
Input current regulation accuracy
V_BAT = 5 V, current pulled from SW
USB500, IINLIM (REG00[5:0]) =
500 mA
USB900, IINLIM (REG00[5:0]) =
900 mA
440
470
500 mA
750
825
900 mA
Adapter 1.5 A, IINLIM
(REG00[5:0]) = 1500 mA
1300 1400 1500 mA
I_IN(START)
Input current regulation during system start up
V_SYS = 2.2 V, IINLIM
(REG00[5:0])> = 200 mA
200 mA
K_ILIM
I_INMAX = K_ILIM/R_ILIM
Input current regulation by ILIM
pin = 1.5 A
320
355
390 A x Ω
D+/D- DETECTION
V_{(0P6_VSRC)}
V_{(3p45_VSRC)}
I_{(10UA_ISRC)}
I_{(100UA_ISINK)}
I_{(DPDM_LKG)}
D+/D– voltage source (0.6 V)
D+/D– voltage source (3.45 V)
D+ connection check current source
D+/D– current sink (100 µA)
D+/D– Leakage current
D–, switch open
D+, switch open
0.5
0.6
3.3 3.45
7
10
50
100
–1
–1
0.7 V
3.6 V
14 µA
150 µA
1 µA
1 µA
I_{(1P6MA_ISINK)}
V_{(0P4_VTH)}
V_{(0P8_VTH)}
V_{(2P7_VTH)}
D+/D– current sink (1.6 mA)
D+/D– low comparator threshold
D+ low comparator threshold
D+/D– comparator threshold for non-standard
adapter detection (divider 1, 3, or 4)
1.45 1.60 1.75 µA
250
400 mV
0.8 V
2.55
2.85 V
V_{(2P0_VTH)}
D+/D– comparator threshold for non-standard
adapter detection (divider 1, 3)
1.85
2.15 V
V_{(1P2_VTH)}
D+/D– comparator threshold for non-standard
adapter detection (divider 2)
1.05
1.35 V
R_{(D–_DWN)}
D– pulldown for connection check
14.25
24.8 kΩ
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