A2550KLPTR-T Allegro Microsystems Inc, A2550KLPTR-T Datasheet - Page 3

• 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
Component Selection Table
CWD, CPOR
Controller
Micro
CREG5
Name
CBB
CBB
Hi-V
Enable
ENBAT
Suitable Characteristics
A
0.47 μF, 25 V, X7R ceramic
0.22 μF, 16 V, X7R ceramic
A
CREG5
0 . 47 μF
X7R
VREG5
PGND
LGND
33 μF, 63 V electrolytic
NPOR
LGND and PGND must be connected externally.
WDI
EN
IN1
IN2
IN3
Functional Block Diagram
Protection
200 k
200 k
200 k
Hi-V
Fault
Logic
TSD
Overcurrent
Overcurrent
Overcurrent
Protection
Protection
Protection
VBB
Watchdog
Regulator
Linear
5V
Relay Driver with 5 V Regulator
Enable
United Chemi-Con EGXE630E--330MH12D
VREG5 UVLO
TSD
Reference
for Automotive Applications
Internal
Representative Device
Adjustable
Delay
V
ref
A2550
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
CWD
OUT1
OUT2
OUT3
CPOR
VBAT
Coil 1
Vdc
Relays or Other
Inductive Loads
Coil 2
Coil 3
3