TAS5630B datasheet(16/43 Pages) TI2

16 / 43 page

2-CHANNEL

H-BRIDGE

BTL MODE

Output

H-Bridge 2

Hardwire

Over-

Current

Limit

PVDD

Power Supply

Decoupling

GVDD, VDD,

DVDD &

AVDD

Power Supply

Decoupling

SYSTEM

Power

Supplies

PVDD

GVDD (12V)/VDD (12V)

GND

36V

12V

GND

VAC

Bootstrap

Capacitors

BST_C

BST_D

nd Order

L-C Output

Filter for

each

H-Bridge

OUT_C

OUT_D

Bootstrap

Capacitors

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

Capacitor for

External

Filtering

Startup/Stop

System

microcontroller or

Analog circuitry

*NOTE1: Logic AND in or outside microcontroller

OSC_IOP

OSC_IOM

Oscillator

Synchronization

Input DC

Blocking

Caps

Input DC

Blocking

Caps

ANALOG_IN_A

ANALOG_IN_B

ANALOG_IN_C

ANALOG_IN_D

FREQ_ADJ

Hardwire PWM

Frame Adjust

& Master/Slave

Mode

TPA3251

SLASE40D – MAY 2015 – REVISED APRIL 2016

www.ti.com

Product Folder Links: TPA3251

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Functional Block Diagrams (continued)

Figure 22. System Block Diagram

TAS5630B Datasheet(PDF) 16 Page - Texas Instruments

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