BQ25890_16 Datasheet, PDF (9/69 Pages) Texas Instruments – Adjustable Voltage USB On-the-Go Boost Mode

www.ti.com
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
VBUS/BAT POWER UP
V_{(VBUS_OP)}
V_{(VBUS_UVLOZ)}
V_(SLEEP)
V_(SLEEPZ)
V_(ACOV)
VBUS operating range
VBUS for active I²C, no battery
Sleep mode falling threshold
Sleep mode rising threshold
VBUS over-voltage rising threshold
VBUS over-voltage falling threshold
3.9
14 V
3.6
V
25
65
120 mV
130
250
370 mV
14
14.6 V
13.5
14 V
V_BAT(UVLOZ)
Battery for active I2C, no VBUS
V_BAT(DPL)
Battery depletion falling threshold
V_BAT(DPLZ)
Battery depletion rising threshold
V_(VBUSMIN)
Bad adapter detection threshold
I_(BADSRC)
Bad adapter detection current source
POWER-PATH MANAGEMENT
2.3
V
2.15
2.5 V
2.35
2.7 V
3.8
V
30
mA
V_SYS
Typical system regulation voltage
I_(SYS) = 0 A, V_BAT> V_SYS(MIN),
BATFET Disabled (REG09[5]=1)
V_BAT+
50 mV
V
Isys = 0 A, V_BAT< V_SYS(MIN),
BATFET Disabled (REG09[5]=1)
V_BAT +
150 mV
V
V_SYS(MIN)
V_SYS(MAX)
R_ON(RBFET)
R_ON(HSFET)
R_ON(LSFET)
V_(FWD)
V_BAT(GD)
V_{BAT(GD_HYST)}
Minimum DC system voltage output
Maximum DC system voltage output
Top reverse blocking MOSFET(RBFET) on-
resistance between VBUS and PMID
Top switching MOSFET (HSFET) on-resistance
between PMID and SW
Bottom switching MOSFET (LSFET) on-
resistance between SW and GND
BATFET forward voltage in supplement mode
V_BAT< V_SYS(MIN), SYS_MIN = 3.5
V (REG03[3:1]=101), I_SYS= 0 A
V_BAT = 4.35 V, SYS_MIN = 3.5V
(REG03[3:1]=101), I_SYS= 0 A
T_J = –40°C to +85°C
T_J = –40°C to +125°C
T_J = –40°C to +85°C
T_J = –40°C to +125°C
T_J = –40°C to +85°C
T_J = –40°C to +125°C
BAT discharge current 10 mA
Battery good comparator rising threshold
Battery good comparator falling threshold
V_BAT rising
V_BAT falling
3.50 3.65
V
4.40 4.42 V
27
27
27
27
16
16
30
3.4 3.55
100
38 mΩ
44 mΩ
39 mΩ
47 mΩ
24 mΩ
28 mΩ
mV
3.7 V
mV
Copyright © 2015–2016, Texas Instruments Incorporated
Product Folder Links: bq25890 bq25892
Submit Documentation Feedback
9