L6590 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
L6590 Datasheet PDF : 23 Pages
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L6590
Figure 40. 7.2V/7W Battery Charger
CxA
Vin
100 nF
88 to 264 Vac
L
22 mH
F1
2A/250V
CxB
100 nF
BD1
DF06M
C1
22 µF
400 V
T1
16:1
D1
BZW06-154
D2
STTA106
D5
1N4148
R5
4.7 kΩ
C5, C6
330 µF
16V
D8
BZX79C12
Q1
BC337
C7
10 µF
25V
R2
5.6 kΩ
1
3 (4)
L6590
(L6590D) 5
(8)
6, 7, 8
(9 to 16) 4 (7)
R4 10 kΩ
R1
39 Ω
C3
10 µF
25V
C3 10 nF
R3
1.5 kΩ
34
D3 BAV21
D4 1N5821
R6
0.1 Ω
C2
220 nF
OP1
PC817
C4
2.2 nF
Y1 class
R12
1 kΩ
R7
620 Ω
1
R8
560 Ω
C8 680 nF
R11
R9
22.6 kΩ
R10
6.8 kΩ
2
D6
1N4148
11.8 kΩ
5 68
3
IC2
7 TSM103 2
D7
1N4148
14
T1 specification
Core E20/10/6, ferrite 3C85 or N67 or equivalent
≈ 1 mm gap for a primary inductance of 2.6 mH
Lleakage <60 µH
Primary : 230 T, 2 series windings 115T each, AWG36 (∅ 0.16 mm)
Sec : 13 T, AWG23 (∅ 0.64 mm)
Aux : 60 T, AWG36
C9 330 nF
7.2 Vdc / 1 A
R13
12 kΩ
REFERENCES
[1] “Getting Familiar with the L6590 Family, High-voltage Fully Integrated Power Supply” (AN1261)
[2] “Offline Flyback Converters Design Methodology with the L6590 Family” (AN1262)
20/23
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