Emergency Lighting -- HT45FH4J

Emergency Lighting
HT45FH4J
Single Chip Solution
HV Process Characteristics
 Input voltage : AC 220V / 50Hz
 Comply with GB17945-2010 standard
 Power consumption : < 5W
 Lighting time : over 90mins
 LED luminance : > 50 lm
 LED indicators
◆
◆
◆
AC power ready
Fault
Charging state
 Fire emergency lighting illumination
 When AC power stable
◆
LED lighting turns off and charges the 1.2V Ni-Cd battery
 When AC power is unstable
◆
The battery (1.2V Ni-Cd) is boosted to 6V and LED lighting will be turn on.
3 states LED
indicator Key
Self-test
Key
1.2V Ni-Cd
Battery Input
HT45FH4J
Boost / Buck
Circuits
AC / DC
RCC Circuit
Applications
Fire Emergency Light
Application Circuit
HV
1
D1
1N4007
D2
1N4007
R4 100/1W
P1
C3
D5
1N4007
1uF/400V
AC 220
D6
1N4007
C1
R1
510K
R3
820K
5
4
C2
T1
103/600V
R5
510K
R7
750K
R2 D4
100k 1N4007
7
100uF/16V
D3 R105
R8
100
Q1
13001
C4
104
Q2
8050
R9
10K
R10
1.5K
R11
10
R6
100
C5
103/600V
AC voltage det.
D7
6.8V
HV_Vout
HV
140mA
U1
2
C22
104
5
VIN
BZ
Alert
15
5V
VSS
VDD
3
D11
5817
C7
104
HV_OUT
C6
Boost
Buck
L1
1
C8
100uF/16V
HV_OUT
BAT_IN
BT1
PA7/PWM0L
1M
10
Q3
4
BatISen
R12
0.05
R23
20K
7
AN3/OCP1/PA5
C9
104
AN0/PA1
AN1/PA3
LED2
AN2/TP1/PA4
PA2/ICPCK
10
BatVD
9
AC_VD
8
D8
Green
Red
11
PA2
D9
12
PA0
D10
R18
5.1K
R24
LED_Isen
100
C10
104
6
13
AN4/OCP0/PA6
PA0/ICPDA
HVSS
HT45FH4J 16NSOP
C12
1.2v Ni-Cd
Y ellow
S1
Check
R15
330
220uF/16V
LED_OUT
BatISen
R21
R16
0.5
47uH
C11
104
14
LED
10uF/16V
16
R20
LED1
5V
BZ1
G: AC power ready
R: Battery Charing
Y: Fault
R22
0
RCC
circuit
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