Allegro MicroSystems ACS732 User Manual

ACS732 AND ACS733 DEMO BOARD AND COMPONENTS

Allegro ACS732/33 demo board is pictured in Figure 1 below. Refer to Table 1 for symbol names and descriptions of onboard

components. Note: Board is pictured without Allegro device.

Table 1: Summary of Demo Board Components

Symbol

Jumper

C1, C2

ASEK732-3-UM

MCO-0000744

ACS732 and ACS733 Evaluation Board

Figure 1: Allegro ACS733 Current Sensor Demo Board

Location of Allegro ACS733 (V

3.3 or 5 V Regulator

Removes regulator and capacitors C1, C2 from V

Regulator output capacitors; removed from the circuit via the jumper

0.1 µF device bypass capacitor; is always connected

Potentiometer to set voltage on V

Description

= 3.3 V) or ACS732 (V

= 5 V)

; C3 (0.1 µF) still present at device

pin; V

voltage sets fault current level

User Manual

December 6, 2019

Table of Contents

Do you have a question about the ACS732 and is the answer not in the manual?

Page 1 ACS732 and ACS733 Evaluation Board ACS732 AND ACS733 DEMO BOARD AND COMPONENTS Allegro ACS732/33 demo board is pictured in Figure 1 below. Refer to Table 1 for symbol names and descriptions of onboard components. Note: Board is pictured without Allegro device.
Page 2 Figure 2: Schematic for ACS732 and ACS733 Demo Board PINOUT DIAGRAM AND TERMINAL LIST Table 2: Terminal List Table Number Name Description 1,2,3,4 Positive terminals for current being sensed; fused internally. 5,6,7,8 IP– Negative terminals for current being sensed; fused internally.
Page 3 December 6, 2019 Initial Release Copyright 2019, Allegro MicroSystems. The information contained in this document does not constitute any representation, warranty, assurance, guaranty, or inducement by Allegro to the customer with respect to the subject matter of this document. The information being provided does not guarantee that a process based on this infor- mation will be reliable, or that Allegro has explored all of the possible failure modes.

Acs733