TAS5414B-Q1_16 Datasheet, PDF (21/46 Pages) Texas Instruments – FOUR-CHANNEL AUTOMOTIVE DIGITAL AMPLIFIERS

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DESCRIPTION
TAS5414B-Q1/5424B 0
(OSC MASTER)
TAS5414B-Q1/5424B 1
(OSC SLAVE1)
TAS5414B-Q1/5424B 2
(OSC SLAVE2)
TAS5414B-Q1/5424B 3
(OSC SLAVE3)
I²C WRITE
I²C READ
I²C WRITE
I²C READ
I²C WRITE
I²C READ
I²C WRITE
I²C READ
Table 3. TAS5414B-Q1/5424 I²C Addresses
FIXED ADDRESS
MSB 6
5
4
1
1
0
1
1
1
0
1
1
1
0
1
1
1
0
1
1
1
0
1
1
1
0
1
1
1
0
1
1
1
0
1
SELECTABLE WITH
ADDRESS PIN
3
2
1
1
0
0
1
0
0
1
0
1
1
0
1
1
1
0
1
1
0
1
1
1
1
1
1
TAS5414B-Q1
TAS5424B-Q1
SLOS673 – DECEMBER 2011
READ/WRITE
BIT
LSB
0
1
0
1
0
1
0
1
I²C
ADDRESS
0xD8
0xD9
0xDA
0xDB
0xDC
0xDD
0xDE
0xDF
ADDRESS
0x00
0x01
0x02
0x03
0x04
0x05
0x06
0x07
0x08
0x09
0x0A
0x0B
0x0C
0x0D
0x0E, 0x0F
0x10
0x13
Table 4. I²C Address Register Definitions
R/W
REGISTER DESCRIPTION
R
Latched fault register 1, global and channel fault
R
Latched fault register 2, dc offset and overcurrent detect
R
Latched diagnostic register 1, load diagnostics
R
Latched diagnostic register 2, load diagnostics
R
External status register 1, temperature and voltage detect
R
External status register 2, Hi-Z and low-low state
R
External status register 3, mute and play modes
R
External status register 4, load diagnostics
R/W
External control register 1, channel gain select
R/W
External control register 2, over current control
R/W
External control register 3, switching frequency and clip pin select
R/W
External control register 4, load diagnostic, master mode select
R/W
External control register 5, output state control
R/W
External control register 6, output state control
-
Not Used
R/W
External control register 7, DC detect threshold selection
R
External status register 5, over temperature shutdown and thermal foldback
Table 5. Fault Register 1 (0x00) Protection
D7 D6 D5 D4 D3 D2 D1 D0
FUNCTION
0
0
0
0
0
0
0
0 No protection-created faults, default value
–
–
–
–
–
–
–
1 Overtemperature warning has occurred
–
–
–
–
–
–
1
– DC offset has occurred in any channel
–
–
–
–
–
1
–
– Overcurrent shutdown has occurred in any channel
–
–
–
–
1
–
–
– Overtemperature shutdown has occurred
–
–
–
1
–
–
–
– Charge pump undervoltage has occurred
–
–
1
–
–
–
–
– AVDD, analog voltage, undervoltage has occurred
–
1
–
–
–
–
–
– PVDD undervoltage has occurred
1
–
–
–
–
–
–
– PVDD overvoltage has occurred
Table 6. Fault Register 2 (0x01) Protection
D7 D6 D5 D4 D3 D2 D1 D0
FUNCTION
0
0
0
0
0
0
0
0 No protection-created faults, default value
–
–
–
–
–
–
–
1 Overcurrent shutdown channel 1 has occurred
Copyright © 2011, Texas Instruments Incorporated
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