D2-24044 INTERSIL [Intersil Corporation], D2-24044 Datasheet - Page 17

• Manufacturer Part Number: D2-24044
• Description: Digital Audio Amplifier Power Stage
• Manufacturer: INTERSIL [Intersil Corporation]

Typical Application Examples
These examples show functional circuit examples of
typical applications using the D2-24044 device. (Note:
These examples are provided to show typical applications
only and are not intended to represent complete
production-qualified reference designs.)
nPDN
PWMVDD/+3.3
nOVRT
For Channel 1 Output
For Channel 2 Output
PWM Inputs From
PWM/System Controller
PWM/System
PWMIN1-HI
PWMIN1-LO
PWMIN2-HI
PWMIN2-LO
nERROR Reporting to
Controller
2x Full Bridge Outputs
Configuration “01”
Channel 2 In
10k
Channel 1 In
17
(no connect)
(no connect)
(no connect)
(no connect)
10k
FIGURE 15. 2-CHANNEL FULL BRIDGE EXAMPLE
10
11
12
13
14
15
16
17
1
2
3
4
5
6
7
8
9
nPDN
OCFG1
OCFG0
PWMGND
PWMVDD
nOVRT
PWM1
PWM2
PWM3
PWM4
PWM5
PWM6
PWM7
PWM8
PWMGND2
D2-24044
D2-24044
2-Channel Full Bridge Example
This example (Figure 15) uses configuration mode “01”
to provide two full-bridge loudspeaker output channels.
The PWM controller provides input into four PWM input
pins.
HGNDD
HGNDA
HGNDB
HVDDB
VDDHV
HVDDC
HGNDC
HVDDD
HVDDA
HSBSC
HSBSD
HSBSA
HSBSB
REG5V
OUTD
OUTA
OUTB
OUTC
IREF
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
GND
+HV
GND
GND
+HV
+HV
GND
+HV
100K
+HV
0.1u
0.1u
Full Bridge
Full Bridge
1u
September 3, 2010
Output
Output
Filter
Filter
Channel 1
Channel 2
FN7678.0