ISL62883CEVAL2Z Ver la hoja de datos (PDF) - Intersil
Número de pieza
componentes Descripción
Fabricante
ISL62883CEVAL2Z Datasheet PDF : 20 Pages
| |||
Application Note 1557
ISL62883CEVAL2Z Schematic
"0" S1 "1"
DPRSLPVR
1
4
2
3
PSI#
EAD102L
R1
+3.3V
49.9
TLV431ASNT1
U1
43
+
-
1.2V4REF
VCCP1.2V OUT
DPRSLPVR
R14
PSI#
0
OFF
3 P1
1 S3
ON P2
R21
2
10K
+3.3V
R23
1.91K
CLK_EN#
PGOOD
TP13
TP16
2N7002
Q1
PLACE NEAR Q2
C5
OPEN
C6
R10 C11
39PF
C3
R7
536 390PF
R11
150PF 324K
2.37K
ISEN3
IN
ISEN2
1
IN
FROM POWER STAGE3
5
TO POWER STAGE1
J1
12
34
56
2+5V +5V
4ISEN2
6GND
J3
1 2 2ISEN3/FB2
J2
ISEN1
IN FROM
POWER
1
STAGE3
12
34
2+5V +5V
4ISEN1
5 5 6 6GND
1
1
PGOOD
2
R16
3
147K 4
PSI#
RBIAS
VR_TT#
5
NTC
6
VW
7
COMP
8 FB
9
ISEN3 /FB2
10
ISEN2
41
EP
R20
1
2
0
R22
0
R17
VCORE IN
10
VCCSENSE IN
TP35
TP36
VSSSENSE IN
R18
10
C12
330PF
C13
1000PF
U6
ISL62883HRZ
R30
604
C81 R109
820PF 100
VCCP1.2V
"0" U2 "1"
1
1
22
33
44
55
66
77
14 14
13 13
12 12
11 11
10 10
99
88
VID0
VID1
VID2
VID3
VID4
VID5
VID6
MST7_SPST
J4
R47
0
+5V
+5V 1
PWM3 3
GND 5
12
34
56
2
4
6
TO DRIVER
PWM3 OUT
30
BOOT2
29
UGATE2
PHASE2 28
27
VSSP2
LGATE2 26
25
VCCP
24
PWM3
LGATE1 23
22
VSSP1
21
PHASE1
BOOT2 OUT
UGATE2 OUT
PHASE2 OUT
LGATE2 OUT
R48
LGATE1B OUT
DNP
LGATE1/A OUT
PHASE1 OUT
+3.3V
TP37
3.3V
R52
+5V
0
TP29
5V
TP30
PGND
R37
1 R40
0
NOTE:
UGATE1 OUT
BOOT1 OUT
IN +5V
IN VIN
ROUTE UGATE1 TRACE IN PARALLEL WITH THE PHASE1 TRACE
GOING TO THE SOURCE OF Q1 AND Q2.
ROUTE LGATE1/B TRACE IN PARALLEL WITH THE VSSP TRACE
GOING TO THE SOURCE OF Q3 AND Q4.
SAME RULE APPLIES TO THE OTHER PHASE
TP28
IMON
IN VSSSENSE
IN VSUM+
IN VSUM-
PLACE NEAR L1
FIGURE 2. ISL62883CEVAL2Z SCHEMATICS, PAGE 1 OF 5
6
AN1557.0
April 1, 2010
Share Link: 