a4940 Allegro MicroSystems, Inc., a4940 Datasheet - Page 3
a4940
Manufacturer Part Number
a4940
Description
Automotive Full Bridge Mosfet Driver
Manufacturer
Allegro MicroSystems, Inc.
Datasheet
1.A4940.pdf
(14 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
a4940KLPTR-T
Manufacturer:
ALLEGRO
Quantity:
356
Part Number:
a4940KLPTR-T
Manufacturer:
ALLEGRO/雅丽高
Quantity:
20 000
A4940
RESET
FAULT
VDD
ALO
BLO
AHI
BHI
RDEAD
Diagnostics &
Protection
Control
VBB
Logic
AGND
Functional Block Diagram
CP2
Automotive Full Bridge MOSFET Driver
GND
Regulator
Charge
Pump
C
CP1
P
High
Side
High
Side
Side
Side
Low
Low
GND
GND
Bootstrap
Bootstrap
Monitor
Monitor
Thermal Pad
VREG
CA
GHA
SA
GLA
CB
GHB
SB
GLB
C
C
C
R
R
REG
BOOTB
BOOTA
GHA
GLA
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
Battery +
V
BAT
R
R
GLB
GHB
3
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