A2550KLPTR-T Allegro Microsystems Inc, A2550KLPTR-T Datasheet - Page 8

• 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
Timing Diagram: Initial Start-up and Exiting Sleep Mode
1.
2.
3.
4.
VREG5
ENBAT
CPOR
NPOR
OUTx
EN or
CWD
VBB
WDI
5 V signal to wake up microcontroller.
OUTx enabled with first watchdog pulse.
Power ramp-up sequence with watchdog active.
NPOR inactive, but outputs not enabled until watchdog detected.
1
t
POR
Internal V
ref
Internal V
ref
2
Relay Driver with 5 V Regulator
~INx
for Automotive Applications
3
t
POR
4
~INx
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
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