Texas Instruments BQ25157, Manual

Page: 10 / 110

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
t
ADC_CON
V
Conversion-time
ADC_SPEED = 00 24 ms
ADC_SPEED = 01 12 ms
ADC_SPEED = 10 6 ms
ADC_SPEED = 11 3 ms
Resolutio
n
Effective Resolution
ADC_SPEED = 00 12 Bits
ADC_SPEED = 10 10 Bits
Accuracy
ADC TS Accuracy
ADC_SPEED = 00, V
TS
= 0.4V, -10°C <
T
J
< 85°C
–1 1 %
ADC ADCIN Accuracy
ADC_SPEED = 00, V
ADCIN
= 0.4V, -10°C
< T
J
< 85°C
–1 1 %
ADC VBAT Accuracy
ADC_SPEED = 00, V
BAT
= 4.2V, -10°C <
T
J
< 85°C
–0.4 0.4 %
BATTERY PACK NTC MONITOR
V
HOT
High temperature threshold V
TS
falling, -10°C < T
J
< 85°C 0.182 0.185 0.189 V
V
WARM
Warm temperature threshold V
TS
falling, -10°C < T
J
< 85°C 0.262 0.265 0.268 V
V
COOL
Cool temperature threshold V
TS
rising, -10°C < T
J
< 85°C 0.510 0.514 0.518 V
V
COLD
Cold temperature threshold V
TS
rising, -10°C < T
J
< 85°C 0.581 0.585 0.589 V
V
OPEN
TS Open threshold V
TS
rising, -10°C < T
J
< 85°C 0.9 V
V
HYS
Threshold hysteresis 4.7 mV
I
TS_BIAS
TS bias current -10°C < T
J
< 85°C 78.4 80 81.6 µA
PROTECTION
V
UVLO
IN active threshold voltage
V
IN
rising 3.4 V
V
IN
falling 3.25 V
V
BATUVLO
Battery undervoltage Lockout Threshold
Voltage
Programmable range, 150 mV Hysteresis 2.4 3 V
Accuracy –3 3 %
Battery undervoltage Lockout Threshold
Voltage at Power Up
V
BAT
rising, V
IN
= 0V, T
J
= 25°C 3.15 V
V
SLP_ENT
RY
Sleep Entry Threshold (V
IN
- V
BAT
) 2.0V < V
BAT
< V
BATREG
, V
IN
falling 80 mV
V
SLP_EXIT
Sleep Exit Threshold (V
IN
- V
BAT
) 2.0V < V
BAT
< V
BATREG
130 mV
V
OVP
Input Supply Over Voltage Threshold
V
IN
rising 6.05 6.2 6.5 V
V
IN
falling (125mV hysteresis) 6.1 V
I
BAT_OCP
Battery Over Current Threshold
Programmable range
I
BAT_OCP
increasing 1200 1600 mA
Current Limit Accuracy –30 30 %
T
SHUTDO
WN
Thermal shutdown trip point 125 °C
T
HYS
Thermal shutdown trip point hysteresis 15 °C
I
2
C INTERFACE (SCL and SDA)
I
2
C Frequency 100 400 kHz
V
IL
Input Low threshold level V
PULLUP
= V
IO
= 1.8V
0.25 *
V
IO
V
V
IH
Input High Threshold level V
PULLUP
= V
IO
= 1.8V
0.75 *
V
IO
V
V
OL
Output Low threshold level V
PULLUP
= V
IO
= 1.8V, I
LOAD
= 5mA
0.25 *
V
IO
V
I
LKG
High-level leakage Current V
PULLUP
= V
IO
= 1.8V 1 µA
BQ25157
SLUSEC5 – DECEMBER 2020
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