參數(shù)資料
型號(hào)： TAS5716PAP
廠商： TEXAS INSTRUMENTS INC
元件分類： 音頻／視頻放大
英文描述： 20.6 W, 2 CHANNEL, AUDIO AMPLIFIER, PQFP64
封裝： 10 X 10 MM, GREEN, PLASTIC, HTQFP-64
文件頁(yè)數(shù)： 31/64頁(yè)
文件大小： 1398K
代理商： TAS5716PAP
APPLICATION INFORMATION
Recovery From Error
Protection Mechanisms in the TAS5716
Interchannel Delay (ICD) Settings
www.ti.com............................................................................................................................................................................................... SLOS569 – JANUARY 2009
SCP (short-circuit protection, OCP) protects against shorts across the load, to GND, and to PVCC.
OTP turns off the device if T
die (typical) > 150°C.
UVP turns off the device if PVCC (typical) < 8.4 V
OVP turns off the device if PVCC (typical) > 27.5 V
A short-circuit condition can be detected also by an external controller. The SCP error from the external power
stage is also fed into TAS5716. The VALID pin goes low in the event of a short circuit. The VALID pin can be
monitored by an external microcontroller. The TAS5716 initiates a back-end error sequence by itself to recover
from the error, which involves settling VALID low for a programmable amount of time and then retrying to check
whether the SCP condition still exists.
OTP turns the device back on when T
die (typical) < 135°C.
UVP turns the device back on if PVCC (typical) is > 8.5 V.
OVP turns the device back on if PVCC (typical) is < 27.2 V.
Recommended ICD Settings
Mode
Description
ICD1
ICD2
ICD3
ICD4
ICD5
ICD6
2.0 ch BD BTL
2 BTL channels, internal
A(L+) = 19
C(R+) = 13
B(L–) = 7
D(R–) = 25
SM(S–) = –12 SP(S+) = –28
power stage only, BD
(0x4C)
(0x34)
(0x1C)
(0x64)
(0xD0)
(0x90)
mode
2.1 ch AD BTL
2 internal BTL channels,
A(L+) = 23
C(R+) = 9
B(L–) = 21
D(R–) = 11
SM(S–) = –23 SP(S+) = –21
1 external BTL channel
(0x5C)
(0x24)
(0x54)
(0x2C)
(0xA4)
(0xAC)
using PBTL TAS5601,
AD mode
2.1 ch AD SE
2 internal SE channels (2
A(L+) = 15
B(R–) = –15
B(0) = 0
D(0) = 0
SM(S–) = –30 SP(S+) = –32
unused), 1 external BTL
(0x3C)
(0xC4)
(0x00)
(0x88)
(0x80)
channel using PBTL
TAS5601, AD mode
2.1 ch BD BTL
2 internal BTL channels,
A(L+) = 19
C(R+) = 13
B(L–) = 7
D(R–) = 25
SM(S–) = –12 SP(S+) = –28
1 external BTL channel
(0x4C)
(0x34)
(0x1C)
(0x64 )
(0xD0)
(0x90)
using PBTL TAS5601,
BD mode
3.0 ch AD 2SE + 2 internal SE channels +
A(L+) = 15
B(R–) = –16
SM(0) = 0
SP(0) = 0
D(S–) = 0
C(S+) = 2
1 BTL
1 internal BTL channel,
(0x3C)
(0xC0)
(0x00)
(0x08)
AD mode
4.0 ch AD SE
4 internal SE channels
A(L1+) = 8
B(R1–) = –24
C(L2+) = –8
D(R2–) = 24
SM(0) = 1
SP(0) = –1
(=0x20)
(0xA0)
(0xE0)
(0x60)
(0x04)
(0xFC)
4.1 ch AD SE
4 internal SE channels +
A(L1+) = 8
B(R1–) = –24
C(L2+) = –8
D(R2–)= 24
SM(S–) = 1
SP(S+) = –1
1 external BTL channel,
(0x20)
(0xA0)
(xE0)
(0x60)
(0x04)
(0xFC)
using PBTL TAS5601,
AD mode.
Copyright 2009, Texas Instruments Incorporated
37
Product Folder Link(s): TAS5716
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