A4940 View Datasheet(PDF) - Allegro MicroSystems
Part Name
Description
MFG CO.
'A4940' PDF : 14 Pages View PDF
A4940
Automotive Full Bridge MOSFET Driver
Input and Output Structures
Cx
18V
GHx
Sx
VREG
18V
GLx
20V
19V
18V
18V
GND
(A) Gate drive outputs
ESD
AHI
ALO
BHI
BLO
3 kΩ
8.5V
(E) Logic inputs: no pull-down resistor
CP1
CP2
VREG
VBB
VDD
18V
18V
18V
18V
(B) Supply protection structures
ESD
ESD
6V
FAULT
1 kΩ
RESET
10 kΩ
50 Ω8.5V
(C) FAULT outputs
ESD
RDEAD
100 Ω
1.2V
6V
6V
50 kΩ
(D) RESET input
8.5V
(F) RDEAD
Allegro MicroSystems, Inc.
12
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
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