VNH3SP30 datasheet(2/26 Pages) STMICROELECTRONICS

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VNH3SP30

The three dice are assembled in MultiPowerSO-30

package on electrically isolated leadframes. This

package, specifically designed for the harsh

automotive environment offers improved thermal

performance

thanks

exposed

die

pads.

Moreover, its fully symmetrical mechanical design

allows superior manufacturability at board level.

The input signals INA and INB can directly

interface to the microcontroller to select the motor

direction and the brake condition. The DIAGA/ENA

or DIAGB/ENB, when connected to an external pull

CONNECTION DIAGRAM (TOP VIEW)

PIN DEFINITIONS AND FUNCTIONS

up resistor, enable one leg of the bridge. They also

provide a feedback digital diagnostic signal. The

normal condition operation is explained in the truth

table on page 7. The PWM, up to 10KHz, lets us to

control the speed of the motor in all possible

conditions. In all cases, a low level state on the

PWM pin will turn off both the LSA and LSB

switches. When PWM rises to a high level, LSA or

LSB turn on again depending on the input pin

state.

(*) Note: GNDA and GNDB must be externally connected together

PIN No

SYMBOL

FUNCTION

1, 25, 30

OUTA, Heat

Slug2

Source of High-Side Switch A / Drain of Low-Side Switch A

2, 4,7,9,12,14,17, 22,

24,29

Not connected

3, 13, 23

VCC, Heat

Slug1

Drain of High-Side Switches and Power Supply Voltage

5INA

Clockwise Input

6ENA/DIAGA Status of High-Side and Low-Side Switches A; Open Drain Output

PWM

PWM Input

Not connected

ENB/DIAGB

Status of High-Side and Low-Side Switches B; Open Drain Output

INB

Counter Clockwise Input

15, 16, 21

OUTB, Heat

Slug3

Source of High-Side Switch B / Drain of Low-Side Switch B

26, 27, 28

GNDA

Source of Low-Side Switch A (*)

18, 19, 20

GNDB

Source of Low-Side Switch B (*)

OUTA

OUTB

Vcc

INA

ENA/DIAGA

PWM

ENB/DIAGB

INB

Vcc

OUTB

GNDA

Vcc

GNDB

VCC

Heat Slug1

OUTB

Heat Slug2

OUTA

Heat Slug3

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