Texas Instruments BQ25123, Manual

Page: 9 / 72

8.5 Electrical Characteristics (continued)
Circuit of Figure 8-1 , V
(UVLO)
< V
IN
< V
(OVP)
and V
IN
> V
(BAT)
+ V
(SLP)
, T
J
= –40 to +85°C and T
J
= 25°C for typical values
(unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
V
SYS
SYS output voltage
range
Programmable range, 100-mV Steps 1.1 3.3 V
Output voltage accuracy V
IN
= 5 V, PFM mode, I
OUT
= 10 mA, V
(SYS)
= 1.8 V –2.5% 0 2.5%
DC output voltage load
regulation in PWM mode
V
OUT
= 2 V, over load range 0.01 %/mA
DC output voltage line
regulation in PWM mode
V
OUT
= 2 V, I
OUT
= 100 mA, over V
IN
range 0.01 %/V
LS/LDO OUTPUT
V
IN(LS)
Input voltage range for
LS/LDO
Load Switch Mode 0.8 6.6 V
Input voltage range for
LS/LDO
LDO Mode 2.2 6.6 V
V
OUT
DC output accuracy
T
J
= 25°C –2% ±1% 2%
Over V
IN
, I
OUT
, temperature –3% ±2% 3%
V
LDO
Output range for LS/LDO Programmable Range, 0.1-V steps 0.8 3.3 V
ΔV
OUT
/ Δ
V
IN
DC line regulation V
OUT(NOM)
+ 0.5 V < V
IN
< 6.6 V, I
OUT
= 5 mA –1% 1%
DC load regulation 0 mA < I
OUT
< 100 mA –1% 1%
Load transient 2 µA to 100 mA, V
OUT
= 1. 8 V –120 60 mV
R
DS(ON_LDO)
FET Rdson V
(VINLS)
= 3.6 V 460 600 mΩ
R
(DSCH_LSL
DO)
MOSFET on-resistance
for LS/LDO discharge
1.7 V < V
(VINLS)
< 6.6 V, I
LOAD
= –10 mA 20 Ω
I
(OCL_LDO)
Output current Limit –
LDO
V
LS/LDO
= 0 V 275 365 475 mA
I
(LS/LDO)
Output current
V
(VINLS)
= 3.6 V, V
LSLDO
= 3.3 V 100 mA
V
(VINLS)
= 3.3 V, V
LSLDO
= 0.8 V 100 mA
V
(VINLS)
= 2.2 V, V
LSLDO
= 0.8 V 10 mA
I
IN(LDO)
Quiescent current for
VINLS in LDO mode
0.9 µA
OFF-state supply current 0.25 µA
V
IH(LSCTRL)
High-level input voltage
for LSCTRL
1.15 V > V
(VINLS)
> 6.6 V
0.75 x
V
(SYS)
6.6 V
V
IL(LSCTRL)
Low-level input voltage
for LSCTRL
1.15 V > V
(VINLS)
> 6.6 V
0.25 x
V
(SYS)
V
PUSHBUTTON TIMER ( MR)
V
IL
Low-level input voltage 0.3 V
R
PU
Internal pull-up
resistance
120 kΩ
VBAT MONITOR
V
BMON
Battery voltage monitor
accuracy
V
(BAT)
Falling - Including 2% increment –3.5 3.5 %V
(BATREG)
BATTERY-PACK NTC MONITOR
V
HOT
High temperature
threshold
V
TS
falling, 1% V
IN
Hysteresis 14.5 15 15.2 %V
IN
V
WARM
Warm temperature
threshold
V
TS
falling, 1% V
IN
Hysteresis 20.1 20.5 20.8 %V
IN
V
COOL
Cool temperature
threshold
V
TS
rising, 1% V
IN
Hysteresis 35.4 36 36.4 %V
IN
V
COLD
Low temperature
threshold
V
TS
rising, 1% V
IN
Hysteresis 39.3 39.8 40.2 %V
IN
TS
OFF
TS disable threshold V
TS
rising, 2% V
IN
Hysteresis 55 60 %V
IN
PROTECTION
V
(UVLO)
IC active threshold
voltage
V
IN
rising 3.4 3.6 3.8 V
www.ti.com
BQ25123
SLUSCZ6A – JANUARY 2018 – REVISED MAY 2021
Copyright © 2021 Texas Instruments Incorporated Submit Document Feedback 9
Product Folder Links: BQ25123