TDA8928J Datasheet, PDF (4/23 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
6 BLOCK DIAGRAM
Preliminary specification
TDA8928J
handbook, full pagewidth
VDD2 VDD1
EN1
SW1
REL1
STAB
DIAG
POWERUP
EN2
SW2
REL2
TDA8928J
13
5
6
4
1
CONTROL
AND
2
HANDSHAKE
9
DRIVER
HIGH
DRIVER
LOW
temp
3
TEMPERATURE SENSOR
current
AND
CURRENT PROTECTION
15
7
VSS1
VDD2
12
14
DRIVER
17
CONTROL
AND
HIGH
11
16 ^HANDSHAKE
DRIVER
LOW
BOOT1
OUT1
BOOT2
OUT2
8
10
VSS1 VSS2
MGX377
Fig.1 Block diagram.
2004 May 05
4