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BQ2980 Datasheet(PDF) 7 Page - Texas Instruments

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Part # BQ2980
Description  Voltage, Current, Temperature Protector With Integrated High Side NFET Driver For Fast/Flash Charging Single-Cell Li-Ion and Li-Polymer Batteries
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

BQ2980 Datasheet(HTML) 7 Page - Texas Instruments

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bq2980
www.ti.com
SLUSCS3 – OCTOBER 2017
Product Folder Links: bq2980
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Copyright © 2017, Texas Instruments Incorporated
Electrical Characteristics (continued)
Typical values stated at TA = 25°C and VDD = 3.6 V. MIN/MAX values stated with TA = –40°C to +85°C and VDD = 3 to 5 V
unless otherwise noted.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
(2)
Not production tested parameters. Specified by characterization.
OVERTEMPERATURE PROTECTION (2)
TOT
Internal overtemperature
threshold
Factory configured
75
°C
85
TOT_ACC
Internal overtemperature
detection accuracy
–10
10
°C
TOT_HYS
Internal overtemperature
hysteresis
8
15
22
°C
PROTECTION DELAY (1)
tOVP
Overvoltage detection delay
Factory configured
0.2
0.25
0.3
s
0.8
1
1.2
1
1.25
1.5
3.6
4.5
5.4
tUVP
Undervoltage detection
delay
Factory configured
16
20
24
ms
76.8
96
115.2
100
125
150
115.2
144
172.8
tOC
Overcurrent (OCC, OCD)
detection delay
Factory configured
5.6
8
10.5
ms
12.4
16
19.6
16
20
24
38.4
48
57.6
tSCD
Short circuit discharge
detection delay
Fixed configuration
125
250
375
us
tOT
Overtemperature detection
delay
Fixed configuration
3.6
4.5
5.4
s
FET OVERRIDE / DEVICE SHUTDOWN CONTROL, CTR
VIH
High-level input
1
V
VIL
Low-level input
0.4
V
VHYS
Hystersis for VIH and VIL
200
mV
RPULL_UP
Effective Internal pullup
resistance (to use with
external PTC)
Factory configured if enabled
1.5
MΩ
5
8
Zero voltage Charging
V0CHGR
Charger voltage requires to
start 0-V charging
2
V
V0INH
Battery voltage that inhibits
0-V charging
1
V


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