Sam4s ER-380F - Page 93

13-4 SAM4S ER-380M/F SERIES
4
Date
of
4
3 2 1
AB
Size
3 2 1
B
Draw n by Sheet
C
TITLE :
D
C D
File Name
A3
Rev
Shin H eung Precision Co., Ltd.
V69
0
T2
V68
V71
V70
V67
ADC_BAT
INT0_PFAIL
ER 380_M AIN.SCH
ER-380M MAIN
8
10K R29
R41 1K
2 3
1
M M BT2222A Q16
DIODE-M4 D18
W hen Power On,
VBT Supply
53m A
3 2
1
KS A 1010Y Q11
VBT
VCC
1uF C77 50V
R89 10K
3.3K R88
2.7K R93
VDRV VCC
[B uzzer]
Isink = Typ.18m A
1
8
4
3 2
LM 393D U 17:1
VCC VCC
AU1 BUZZER
VCC
2003.10.18 K-W on,C hoi
V1.4
VPRT
1K R39
M M BD 6050LT1 D9
R26 150 2W
100uF C92 16V
VPH
4.7K R37
4.7K R42
10K R 105
R86
4.7K
12K R97
6.8K R98
VDRVVCC
7
5 6
LM 393D U 17:2
C85 100nF
"H IGH" Active
VPH_ON O FF
W hen Power On, Battery C harging
BU ZZE R
VPH
Ic = 53[mA] * Min hfe 100 = 5.3[A]
KS A 1010 hfe = 100 - 200
W hen Power Off, VBT Supply
10K R40
2 3
1
M M BT2222A Q17
R30 10K
DIODE-SK14
D28
VCC
100nF C46
D13 DIODE-SK14
R 104
270
REVISION HISTORY
D11 M M BD 6050LT1
R90 100
[Power Fail Detect]
C84 100nF
4.7K R99
DIODE-SK14
D16
3.6V BAT1
DIODE-SK14
D14
2 3
1
M M BT2222A Q22
R91 100
4.7K R 100
R 101 4.7K