BQ2005_13 Datasheet, PDF (11/18 Pages) Texas Instruments – Fast- Charge IC for Dual-Bat tery Packs

Impedance
Symbol
RBATA,B
RTSA,B
RTCO
RSNSA,B
Parameter
Battery A/B input impedance
TSA,B input impedance
TCO input impedance
SNSA,B input impedance
bq2005
Minimum
Typical
Maximum
Unit
50
-
-
MΩ
50
-
-
MΩ
50
-
-
MΩ
50
-
-
MΩ
Timing (TA = 0 to +70°C; VCC ±10%)
Symbol
t PW
dFCV
t REG
t MCV
Parameter
Minimum Typical Maximum
Pulse width for DCMDA,
pulse command
1
-
-
Time base variation
-16
-
16
MOD output regulation
frequency
-
-
300
Maximum voltage
termination time limit
-
-
1
Unit
µs
%
kHz
s
Notes
Pulse start for discharge-before-
charge
VCC = 4.5V to 5.5V
Time limit to distinguish battery
removed from charge complete
Note:
Typical is at TA = 25°C, VCC = 5.0V.
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