A2550KLPTR-T Allegro Microsystems Inc, A2550KLPTR-T Datasheet - Page 9

• Manufacturer Part Number: A2550KLPTR-T
• Description: AUTO RELAY DRIVER WITH 5V REGULATOR
• Manufacturer: Allegro Microsystems Inc

Specifications of A2550KLPTR-T

• Rohs Compliant: YES
• Applications: Automotive, Relay Driver
• Number Of Outputs: 3
• Voltage - Supply: 7 V ~ 40 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 16-TSSOP Exposed Pad, 16-eTSSOP, 16-HTSSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output: -
• Voltage - Load: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 620-1182-2

A2550
VREG5
CPOR
NPOR
OUTx
CWD
WDI
1.
2.
3.
4.
outputs enabled
Missing watchdog detected (WDI low).
NPOR pulses generated periodically.
NPOR inactive, but outputs not enabled until watchdog detected.
Missing watchdog detected (WDI low, steps 2 and 3 repeat).
Timing Diagram: Watchdog Monitoring
t
WDR
1
t
WD
2
Relay Driver with 5 V Regulator
3
for Automotive Applications
~INx
internal V
ref
4
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
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