Texas Instruments BQ25157, Руководство пользователя

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8.5 Electrical Characteristics (continued)
V
IN
= 5V, V
BAT
= 3.6V. -40°C < T
J
< 125°C unless otherwise noted. Typical data at T
J
= 25°C
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
I
CHARGE
Fast Charge Programmable Current
Range
V
LOWV
< V
BAT
< V
BATREG
1.25 500 mA
Fast Charge Current Accuracy T
J
= 25°C, I
CHARGE
> 5mA –5 5 %
I
PRECHAR
GE
Precharge current Precharge current programmable range 1.25 77.5 mA
Precharge Current Accuracy -40°C < T
J
< 85°C –10 10 %
I
TERM
Termination Charge Current
Termination Current Programmable
Range
1 31 %
Accuracy
T
J
= 25°C, I
TERM
= 10% I
CHARGE
, I
CHARGE
= 100mA
–5 5 %
-10°C < T
J
< 85°C, I
TERM
= 10% I
CHARGE
,
I
CHARGE
= 100mA
–10 10 %
V
LOWV
Programmable voltage threshold for pre-
charge to fast charge transitions
VBAT rising. Programmable Range 2.8 3 V
V
SHORT
Battery voltage threshold for short
detection
VBAT falling, VIN = 5V 2.41 2.54 2.67 V
I
SHORT
Charge Current in Battery Short Condition V
BAT
< V
SHORT
I
PRECHAR
GE
mA
V
RCH
Recharge Threshold voltage
V
BAT
falling, V
BATREG
= 4.2V, V
RCH
=
140mV setting
140 mV
V
BAT
falling, V
BATREG
= 4.2V, V
RCH
=
200mV setting
200 mV
R
PMID_PD
PMID pull-down resistance V
PMID
= 3.6V 25 Ω
VDD
V
DD
VDD LDO output voltage
V
BAT
= 3.6V, V
IN
= 0V, 0 < I
LOAD_VDD
<
10mA
1.8 V
I
LOAD_VD
D
Maximum VDD External load capability V
PMID
> 3V 10 mA
LS/LDO
V
INLS
Input voltage range for Load switch Mode 0.8 6.2 V
Input voltage range for LDO Mode
2.2 or
V
LDO
+
500mV
6.2 V
V
LDO
LDO programmable output voltage range 0.6 3.7 V
LDO output accuracy
T
J
= 25°C –2 2 %
V
LDO
= 1.8V, V
INLS
=3.6V. I
LOAD
= 1mA –3 3 %
ΔV
OUT
/
ΔI
OUT
DC Load Regulation
0°C < T
J
< 85°C, 1 mA < I
OUT
< 150mA,
V
LDO
= 1.8V
1.2 %
ΔV
OUT
/
ΔV
IN
DC Line Regulation
0°C < T
J
< 85°C, Over V
INLS
range, I
OUT
=
100mA, V
LDO
= 1.8V
0.5 %
R
DOSN_LD
O
Switch On resistance V
INLS
= 3.6V 250 450 mΩ
R
DSCH_LS
LDO
Discharge FET On-resistance for LS V
INLS
= 3.6V 40 Ω
I
OCL_LDO
Output Current Limit V
LS/LDO
= 0V 200 300 mA
I
IN_LDO
LDO VINLS quiescent current in LDO
mode
V
BAT
= V
INLS
=3.6V 0.9 µA
OFF State Supply Current V
BAT
= V
INLS
=3.6V 0.25 µA
ADC
Resolutio
n
Bits reported by ADC 16 Bits
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BQ25157
SLUSEC5 – DECEMBER 2020
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