NCV7728

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Table 1. SPI INPUT DATA FRAME

Input Data

Bit Number

Bit Name

Bit Description

Bit Status

15

SRR

Status Reset Register

When Asserted All Latched Faults are Cleared (TSD, OCS & ULD)

0 = No Reset

1 = Reset

14

HBSEL (Note 5)

Half Bridge Selection

Reserved

13

ULDSC

Under Load Detection Shutdown Control

Global Enable; Per Half Bridge Operation

0 = Disable

1 = Enable

12

HBEN6

Half Bridge 6 Enable

0 = High Z

1 = Enabled

11

HBEN5

Half Bridge 5 Enable

0 = High Z

1 = Enabled

10

HBEN4

Half Bridge 4 Enable

0 = High Z

1 = Enabled

9

HBEN3

Half Bridge 3 Enable

0 = High Z

1 = Enabled

8

HBEN2

Half Bridge 2 Enable

0 = High Z

1 = Enabled

7

HBEN1

Half Bridge 1 Enable

0 = High Z

1 = Enabled

6

HBCNF6

Half Bridge 6 Configuration Control

0 = LS6 ON & HS6 OFF

1 = LS6 OFF & HS6 ON

5

HBCNF5

Half Bridge 5 Configuration Control

0 = LS5 ON & HS5 OFF

1 = LS5 OFF & HS5 ON

4

HBCNF4

Half Bridge 4 Configuration Control

0 = LS4 ON & HS4 OFF

1 = LS4 OFF & HS4 ON

3

HBCNF3

Half Bridge 3 Configuration Control

0 = LS3 ON & HS3 OFF

1 = LS3 OFF & HS3 ON

2

HBCNF2

Half Bridge 2 Configuration Control

0 = LS2 ON & HS2 OFF

1 = LS2 OFF & HS2 ON

1

HBCNF1

Half Bridge 1 Configuration Control

0 = LS1 ON & HS1 OFF

1 = LS1 OFF & HS1 ON

0

OVLO

Over Voltage Lock Out

Global Effect

0 = Disable

1 = Enable

5. HBSEL enables bridge selection for the NCV7719 and NCV7720 devices. In the NCV7728 it is recommended to set the HBSEL to zero.