Philips PICO 19HFL3232D/10 Service Manual page 30

EN 30 8. TPM5.2E LA
8.4 Diagram B12 SSB: Audio Amp/Headphone
Block diagram
OUTPL FB
LINP
Control
LINN
OUTNL FB
FAULT
SD
TTL
Buffer
GAIN0
GAIN1
PLIMIT
LDO
AVCC
Regulator
GVDD
OUTNN FB
RINN
Control
RINP
OUTNP FB
PBTL
AGND
Pinning information
2010-Jun-25
IC Data Sheets
Gain
Gain
Control
PLIMIT
Reference
AVDD
GVDD
Gain
TTL
PBTL
Buffer
Select
SD
FAULT
LINP
LINN
GAIN0
GAIN1
AVCC
AGND
GVDD
PLIMIT
RINN
RINP
NC
PBTL
Figure 8-6 Internal block diagram and pin configuration
out, TPA3113D2PWPR 6W TSSOP-28 (IC U601)
PBTL Select
PWM
PLIMIT Logic
Ramp Biases and
Startup Protection
Generator References
Logic
PWM
PLIMIT
Logic
PBTL Select
PWP (TSSOP) PACKAGE
(TOP VIEW)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
GVDD
PVCCL
PVCCL
OUTPL FB
Gate
Drive
GVDD
PVCCL
PVCCL
OUTNL FB
Gate
Drive
SC Detect
DC Detect
Thermal
Detect
UVLO/OVLO
GVDD
PVCCL
PVCCL
Gate
Drive
OUTNR FB
GVDD
PVCCL
PVCCL
Gate
Drive
OUTPR FB
PVCCL
28
27 PVCCL
26 BSPL
25 OUTPL
24 PGND
OUTNL
23
22
BSNL
21 BSNR
OUTNR
20
19 PGND
OUTPR
18
BSPR
17
PVCCR
16
PVCCR
15
BSPL
OUTPL
PGND
BSNL
OUTNL
PGND
BSNR
OUTNR
PGND
BSPR
OUTPR
PGND
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