BQ2004E Datasheet, PDF (11/16 Pages) Texas Instruments – Fast-Charge ICs

bq2004E/H
Impedance
Symbol
RBAT
RTS
RTCO
RSNS
Parameter
Battery input impedance
TS input impedance
TCO input impedance
SNS input impedance
Minimum
50
50
50
50
Typical
-
-
-
-
Maximum
-
-
-
-
Unit
MΩ
MΩ
MΩ
MΩ
Timing (TA = 0 to +70°C; VCC ±10%)
Symbol
Parameter
Minimum Typical Maximum
tPW
Pulse width for DCMD
and INH pulse command
1
-
-
dFCV
Time base variation
-16
-
16
fREG
MOD output regulation
frequency
-
-
300
tMCV
Maximum voltage termi-
nation time limit
1
-
2
Unit
Notes
µs
Pulse start for charge or discharge
before charge
% VCC = 4.75V to 5.25V
kHz
s
Time limit to distinguish battery re-
moved from charge complete.
Note:
Typical is at TA = 25°C, VCC = 5.0V.
11