A4940 查看數據表（PDF） - Allegro MicroSystems
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A4940 Datasheet PDF : 14 Pages
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A4940
Automotive Full Bridge MOSFET Driver
Functional Block Diagram
Battery +
VDD
FAULT
AHI
ALO
BHI
BLO
RESET
VBB
Diagnostics &
Protection
CP
CP2 CP1
Charge
Pump
Regulator
VREG
CREG
Bootstrap
Monitor
CA
CBOOTA
High
Side
GHA
SA
RGHA
Control
Logic
Low
Side
GND
GLA
RGLA
Bootstrap
Monitor
CB
CBOOTB
High
Side
GHB
SB
RDEAD
Low
Side
GLB
AGND GND
GND
Thermal Pad
VBAT
RGHB
RGLB
Allegro MicroSystems, Inc.
3
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
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