Allegro MicroSystems, Inc.

115 Northeast Cutoff

Worcester, Massachusetts 01615-0036 U.S.A.

1.508.853.5000; www.allegromicro.com

High Voltage 3-Phase Motor Drivers

5

SLA6870MZ

Series

VCC2

LIN1

VCC1

HIN1

COM1

VB1

HO3

HS3

LIN2

LIN3

SD2

COM2

LO1

LO2

LO3

M

15V

HVIC

LVIC

HIN2

HIN3

VB2 VB3

HO2

HO1

HS1

HS2

10

13

4

5

6

7

8

24

12

11

13

16

17

14

23

22

19

18

20

21

OCL

2

SD1

9

RC

15

Rup1

5V

ZD

ZD

RS

VRC

CC

RR

CSD

Rup

SLA6870MZ

Typical Application Diagram

NOTE:

The external electrolytic capacitors should be placed as close to the IC as possible, in order to avoid malfunctions

from external noise interference. Put a ceramic capacitor in parallel with the electrolytic capacitor if further

reduction of noise susceptibility is necessary.

Shows configuration without current limiter

function: ¯S¯¯¯D¯¯1¯ and ¯S¯¯¯D¯¯2¯ pins tied together