A2550KLPTR-T Allegro Microsystems Inc, A2550KLPTR-T Datasheet - Page 3
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A2550KLPTR-T
Manufacturer Part Number
A2550KLPTR-T
Description
AUTO RELAY DRIVER WITH 5V REGULATOR
Manufacturer
Allegro Microsystems Inc
Datasheet
1.A2550KLPTR-T.pdf
(15 pages)
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