u2402b ETC-unknow, u2402b Datasheet - Page 6

• Manufacturer Part Number: u2402b
• Description: Fast Charge Controller Nicd/nimh Batteries
• Manufacturer: ETC-unknow

U2402B
6 (17)
93 7696 e
*) 70 mV > V
yes
no
LED1 blinking
Charge stop
permissible
temperature
LED1 on
Cell in
range ?
inserted ?
Cell
Batt
*)
< 5 V
no
yes
no
yes
no
Figure 4. Flow chart
– dV and d
monitoring begins
no
Trickle charging
disconnect ?
Cell insertion
LED2 on
with 1/256 I
Power on reset
permissible
temperature
yes
switch off
no
inserted ?
inserted ?
LED2 on
Cell in
V
v
– dV
turn on
Cell
range ?
Cell
– dV
Start
Batt
4 V
*)
*)
LED1 on
LED2 off
yes
2
V/dt
O
2
no
no
yes
yes
yes
yes
yes
yes
no
Charging starts with
Timer 20 min exceeded
- dV monitoring
Cell insertion reset
TELEFUNKEN Semiconductors
yes
Top-off charging
LED2 blinking
time reaches
disconnect ?
permissible
temperature
with 1/4 I
LED2 on
Charging
Cell in
5 min. ?
inserted ?
d V/dt
range ?
Cell
*)
yes
no
2
O
Rev. A3, 14-Nov-96
no
no