BQ2168 Datasheet, PDF (8/9 Pages) Texas Instruments – Li-Ion Power Gauge™ Module with Pack Supervisor

bq2168
DC Thresholds (T_A = T_OPR)
Symbol
Parameter
Value
Tolerance
Unit
Notes
V_OV
VCE
VUV
I_OC
tUVD
VCD
tOVD
tOCD
Overvoltage threshold
Charge enable voltage
Undervoltage limit
Overcurrent limit
Undervoltage delay
Charge detect threshold
Overvoltage delay
Overcurrent delay
4.25
± 50mV
V
V_OV - 100mV ± 50mV
V
2.25
± 100mV
V
3.4
A
3.8
A
950
±50%
ms
70
-60, +80
mV
950
±50%
ms
12
±60%
ms
TA = 25°C
TA = 60°C
TA = 30°C
TA = 30°C
TA = 30°C
Note:
The thresholds above reflect the operation of a bq2158 using the standard bq2058 IC (V_OV = 4.25V).
Specify other versions of the bq2058 by indicating the appropriate V_OV threshold in Table 1.
Data Sheet Revision History
Change No.
1
Page No.
All
Description
From Preliminary to Final
Note:
Change 1 = May 1999 B changes from Apr. 1999.
Nature of Change
Ordering Information
bq2168
B—
Customer Code:
Blank = Sample or Pre-production¹
KT = Evaluation system
XXX = Customer-specific; assigned by Unitrode²
Package Option:
B = Board-level product
LED Option:
L = LEDs plus switch
Blank = No LEDs or switch
Device:
Li-Ion Power Gauge Module with Pack Supervisor
Notes:
1. Requires configuration sheet (Table 1)
2. Example production part number: bq2168LB-001
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