BD7904FS Ver la hoja de datos (PDF) - ROHM Semiconductor
Número de pieza
componentes Descripción
Fabricante
BD7904FS Datasheet PDF : 18 Pages
| |||
Optical disc ICs
!Measurement circuits
SLVM
BD7904FS
V
2 SW-SL
DVCC
V VFGH
1
OPAMP
A1
SL
LD
OUT-A1
OUT-A4
VCC
TK
OUT-A3
FC
OUT-A2
OPAMP
A2
OPAMP
AVM A3
100k
LDIN
+
A
IQVC
54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28
FG
−
PRE
LOGIC
LEVEL
SHIFT
−
LEVEL
SHIFT
LEVEL
SHIFT
−
LIMIT
FF
+
OSC
FG
REVERSE
DETECT
TSD
PWM
OUT
Current
COMP
FF
OSC
Polarity
COMP
Current
LIMIT
+
BG
(1.3V)
3-phase
MATRIX
+
−
STBY/
BRAKE
CONTROL
VC
+
HALL
BIAS
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27
IU+ A
+
HU+
IV+ A
+
HV+
IW+ A
+
HW+
A
IU− +
A
IV− +
A
IW− +
CTL1 CTL2
H−
VRNF V RNF
2 SW-SP
1
SPVM
[ =VCC ]
IHB
VC SPIN
UV
W
OUTSP
IQDV A
+
DVCC
IReg
Fig.1
8/18
Share Link: 