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NiMH Battery Charge Control IC IC LS681-N13
■ Features ◆ 12 (ADC),
(-deltaV), (0deltaV). ◆ 1 . ◆ ,, . ◆ () ,,. ◆ ,/ ,. ◆ (-deltaV),(0deltaV) . ◆ (Timer). ◆ (Vmax): ,, ,. (,),.
◆ , , .
◆ LED : // / / .
◆ : 5.0V. ◆ : LS681
ymabcdef ym :/.
abcdef :. ◆ : SOP-8 (150 mil)
GND Vdet Idet NC
8
7
6
5
LS681
ymabcdef
1
2
3
4
Vdd LED PWM Timer
■ Pin Assignment
1
Vdd
2
LED
3
PWM
4
Timer
5
NC
6
Idet
7
Vdet
8
GND
P O O I I I P
5.0 Volt. LED , Ground
LS681-N13, NiMH battery charger IC
1
Rev. cr1.1
This Spec. may be changed without Notice. www.linkas.com.tw www.linkas.com.cn
NiMH Battery Charge Control IC IC LS681-N13
■ Charge Curve
Vin Vpre
Vplug Vbat
0deltaV
Fast Charge
Ic
Pre-charge
LED
-deltaV Trickle Charge
■ Operation A.) : (, ). B.