TDA8928J Datasheet, PDF (15/23 Pages) NXP Semiconductors – Power stage 2 x 10 or 1 x 20 W class-D audio amplifie

Philips Semiconductors
Power stage 2 x 10 or 1 x 20 W class-D
audio amplifier
Preliminary specification
TDA8928J
TDA8928ST
L3
C5
J2 ^U1
J1
state of D art
C7
C27
C6
VP typ +/- 12.5 V
2 x 10 W in 8 Ω
single layer
L4
C4
L2
C32
C33
Con3 Con2
L1
Con1
DZ1
C3
demo PCB v2r4
RL 1 2003
C14 C15
J3
S1
DZ2 _CO2
CO1
Out1
Out2
power_on
In1
Top silk
In2
mgx381
Fig.8 Printed-circuit board (top silk) layout for TDA8928ST.
15.4.2 BILL OF MATERIALS
COMPONENT
DESCRIPTION
U1
TDA8928ST
U2
LM393AD
TYPE
Philips Semiconductors,
SOT577-2
National, SO8
DZ1
DZ2
Q1
Q2
L1, L2
L3, L4
S1
36 V Zener diode
3.3 V Zener diode
BC848 transistor
BC856 transistor
bead
33 µH coil
power-on switch
Con1
Con2, Con3
CO1, CO2
J1, J2, J3
Capacitors
C37
C28, C29, C30,
C31
V_SS, GND, V_DD connector
Out2, Out1 connector
In1, In2 connector
wire
220 pF, 50 V
560 pF, 100 V
2004 May 05
BZX-79C36V, DO-35
BZX-79C3V3, DO-35
NPN, SOT23
PNP, SOT23
Murata BL01RN1-A62
Toko 11RHBP-330M ws
PCB switch, SACME
09-03290-01
Augat 5KEV-03
Augat 5KEV-02
Cinch Farnell 152-396
Jumpers, D = 0.5 mm
SMD0805
SMD0805
15
COMMENTS
alternatives: TI
semiconductors and On
semiconductors
used as jumper
used as jumper, optional
used as jumper
totally shielded
optional
optional
optional
optional
50 V is OK