A2550 Allegro MicroSystems, Inc., A2550 Datasheet - Page 8
![no-image](/images/no-image-200.jpg)
A2550
Manufacturer Part Number
A2550
Description
Relay Driver With 5 V Regulator For Automotive Applications
Manufacturer
Allegro MicroSystems, Inc.
Datasheet
1.A2550.pdf
(15 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
A2550LPT
Manufacturer:
ALLEGRO/雅丽高
Quantity:
20 000
Part Number:
A2550N
Manufacturer:
SONY/索尼
Quantity:
20 000
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.
8