BQ2114 Datasheet, PDF (6/7 Pages) Texas Instruments – NiCd or NiMH Gas Gauge Module with Charge-Control Output

bq2114
DC Voltage Thresholds (TA = TOPR)
Symbol
Parameter
Minimum
V_EDVF
V_EDV1
V_MCV
V_SRO
VSRQ
VSRD
Final empty warning
First empty warning
Maximum single-cell voltage
Sense resistor range
Valid charge
Valid discharge
0.93
1.03
2.20
-300
375
-
Notes:
1. At SB input of bq2014.
2. At SR input of bq2014.
3. Default value; value set in DMF register.
Typical Maximum
0.95
0.97
1.05
1.07
2.25
2.30
-
+2000
-
-
-
-300
Unit
V
V
V
mV
µV
µV
Notes
BAT+/NumCell¹
BAT+/NumCell¹
BAT+/NumCell¹
V_SR + V_OS2
VSR + VOS ^{2, 3}
VSR + VOS ^{2, 3}
Data Sheet Revision History
Change No.
1
1
Page No.
2
5
Description
Updated Table 1 to include 3.0A limit
Added 3.0A maximum continuous charge/discharge current specification
Note:
Change 1 = May 1999 B changes from Sept. 1996.
Ordering Information
bq2114 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:
NiCd or NiMH Gas Gauge Module with Charge-Control Output
Notes:
1. Requires configuration sheet (see Table 1)
2. Example production part number: bq2114LB-003
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