MIC4575WU Ver la hoja de datos (PDF) - Micrel
Número de pieza
componentes Descripción
fabricante
MIC4575WU Datasheet PDF : 15 Pages
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Micrel, Inc.
MIC4575
Figure 16. 1A Battery Charger (6–8 cells)
D3
VIN
8V to 24V
C1
150µF
35V
5 SHDN
SW 2
MIC4575-BT
1 VIN
FB 4
GND
3
R7
1k
U1 Micrel MIC4575BT
U2 National LM358
U3 Micrel LM4041CIZ-1.2
C1 Nichicon
C2 Nichicon
D1 Motorola 1N5819
D2 Motorola 1N5819
D3 Motorola 1N4148
L1 Coiltronics
R1 KRL
SP-1-A1-0R100J
Q1 Siliconix VN2222LL
V
/ 0.9 + 2.5V
1N4148
L1
68µH
R1
0.1
D2
1N5819
IOUT
0.1A to 1A
R6
3k
C4
1000pF
1
D1
1N5819
R2
100
1%
3
U2A
1/2LM358
2
C3
0.01µF
DZ1
1N5244
14V
R3
10k
7
Q1
VN2222LL
C2
330µF
16V
VIN
VIN U2B
1/2 LM358
8
5
R5
10k
VR1
10k
6
4
2-8 Cells
VBATT
U3
LM4041CIZ-1.2
R4
1.21k
1%
Figure 17. 0.1A–1A Variable-Current Battery Charger
July 2009
9
M9999-072909
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