Texas Instruments BQ25157, Manual

Page: 8 / 110

8.4 Thermal Information (continued)
THERMAL METRIC
(1)
BQ25157
UNIT YFP (DSBGA)
20-PIN
R
θJB
Junction-to-board thermal resistance 17.6 °C/W
Ψ
JT
Junction-to-top characterization parameter 0.3 °C/W
Ψ
JB
Junction-to-board characterization parameter 17.7 °C/W
R
θJC(bot)
Junction-to-case (bottom) thermal resistance N/A °C/W
(1) For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application
report.
(2) Measured in BQ25157EVM board.
8.5 Electrical Characteristics
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
INPUT CURRENTS
I
IN
Input supply current
PMID_MODE = 01, V
IN
= 5V, V
BAT
= 3.6V 500 µA
0°C <T
J
< 85°C , V
IN
= 5V, V
BAT
= 3.6V
Charge Disabled
2 mA
I
BAT_SHIP
Battery Discharge Current in Ship Mode 0°C <T
J
< 60°C ,V
IN
= 0V , V
BAT
= 3.6V 10 150 nA
I
BAT_LP
Battery Quiescent Current in Low-power
Mode
0°C <T
J
< 60°C ,V
IN
= 0V , V
BAT
= 3.6V,
LDO Disabled
0.46 1.2 µA
0°C <T
J
< 60°C ,V
IN
= 0V , V
BAT
= 3.6V,
LDO Enabled
1.7 3.5 µA
I
BAT_ACTI
VE
Battery Quiescent Current in Active Mode
0°C <T
J
< 85°C ,V
IN
= 0V , V
BAT
= 3.6V,
LDO Disabled
18 25 µA
0°C <T
J
< 85°C ,V
IN
= 0V , V
BAT
= 3.6V,
LDO Enabled
21 27 µA
POWER PATH MANAGEMENT AND INPUT CURRENT LIMIT
R
ON(IN-
PMID)
Input FET ON resistance
I
ILIM
= 500mA (ILIM = 110), V
IN
= 5V, I
IN
=
150mA
280 520 mΩ
V
BSUP1
Enter supplements mode threshold
V
BAT
> V
BATUVLO
, DPPM enabled or
Charge disabled
V
PMID
<
V
BAT
–
40mV
mV
V
BSUP2
Exit supplements mode threshold
V
BAT
> V
BATUVLO
, DPPM enabled or
Charge disabled
V
PMID
<
V
BAT
–
20mV
mV
I
ILIM
Input Current Limit
Programmable Range 50 600 mA
I
ILIM
= 50mA 45 50 mA
I
ILIM
= 100mA 90 100 mA
I
ILIM
= 150mA 135 150 mA
I
ILIM
= 500mA 450 500 mA
V
IN_DPM
Input DPM voltage threshold where
current in reduced
Programmable Range 4.2 4.9 V
Accuracy –3 3 %
BATTERY CHARGER
V
DPPM
PMID voltage threshold when charge
current is reduced
V
PMID
- V
BAT
200 mV
R
ON(BAT-
PMID)
Battery Discharge FET On Resistance V
BAT
= 4.35V, I
BAT
= 100mA 100 135 mΩ
V
BATREG
Charge Voltage Programmable charge voltage range 3.6 4.6 V
Voltage Regulation Accuracy 0.5 0.5 %
BQ25157
SLUSEC5 – DECEMBER 2020
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