MITSUMI
IC for Control of Lithium-ion Batteries Charging MM1433
(2) Timer Times
Item
Calculation formula
Pre-charge timer
T 219
Full charge timer
T 223
1mA charge time
T 213
Full charge detection delay time
T 26
Overcurrent detection delay time
T 28
Overvoltage detection delay time
T 28
Re-charge detection delay time
T 25
LED R blinking cycle
T 210
Examples of calculation (for C = 0.01µ, R = 230k)
15min. 28S
4h7min.
14.5S
0.11S
0.45S
0.45S
56.6mS
1.8S
Note: T: OSC oscillation cycle
Measuring Circuit