TAS5631 datasheet(6/33 Pages) TI

6 / 33 page

2-CHANNEL

H-BRIDGE

BTL MODE

Output

H-Bridge 2

Hardwire

Over-

Current

Limit

PVDD

Power Supply

Decoupling

GVDD, VDD,

and VREG

Power Supply

Decoupling

SYSTEM

Power

Supplies

PVDD

GVDD (12V)/VDD (12V)

GND

50V

12V

GND

VAC

Bootstrap

Caps

BST_C

BST_D

nd Order

L-C Output

Filter for

each

H-Bridge

OUT_C

OUT_D

Bootstrap

Caps

BST_A

BST_B

INPUT_A

nd Order

L-C Output

Filter for

each

H-Bridge

OUT_A

OUT_B

Output

H-Bridge 1

Input

H-Bridge 1

INPUT_B

Hardwire

Mode

Control

Input

H-Bridge 2

INPUT_C

INPUT_D

Caps for

External

Filtering

and

Startup/Stop

System

microcontroller

PWM_A

PWM_B

PWM_C

PWM_D

(2)

TAS5518/

TAS5508/

TAS5086

I2C

Left-

Channel

Output

Right-

Channel

Output

VALID

RESET

AMP RESET

*NOTE1

TAS5631

SLES221C – JULY 2009 – REVISED APRIL 2010

www.ti.com

TYPICAL SYSTEM BLOCK DIAGRAM

(1)

Logic AND is inside or outside the microcontroller.

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TAS5631 Datasheet(PDF) 6 Page - Texas Instruments

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