A2550KLPTR-T View Datasheet(PDF) - Allegro MicroSystems

Part Name

Description

MFG CO.

A2550KLPTR-T

Relay Driver with 5 V Regulator for Automotive Applications

Allegro MicroSystems 

1 2 3 4 5 6 7 8 9 10 Next

A2550

Relay Driver with 5 V Regulator

for Automotive Applications

Timing Diagram: Initial Start-up and Exiting Sleep Mode

VBB

VREG5

WDI

CWD

Internal Vref

EN or

ENBAT

tPOR

Internal Vref

tPOR

CPOR

NPOR

OUTx

1

~INx

2

~INx

3

4

1. 5 V signal to wake up microcontroller.

2. OUTx enabled with first watchdog pulse.

3. Power ramp-up sequence with watchdog active.

4. NPOR inactive, but outputs not enabled until watchdog detected.

Allegro MicroSystems, Inc.

8

115 Northeast Cutoff

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

1.508.853.5000; www.allegromicro.com

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