A3980 Allegro MicroSystems, Inc., A3980 Datasheet - Page 16

• Manufacturer Part Number: A3980
• Description: Automotive DMOS Microstepping Driver with Translator
• Manufacturer: Allegro MicroSystems, Inc.

Terminal List Table
SENSE1
SENSE2
ENABLE
OUT1A
OUT2A
OUT2B
OUT1B
SLEEP
AGND
VREG
PGND
Name
VBB2
STEP
VBB1
PFD
RC1
REF
RC2
VDD
MS2
MS1
VCP
CP1
CP2
DIR
FF1
FF2
SR
Automotive DMOS Microstepping Driver with Translator
Sense resistor for full-bridge 1
Enable synchronous rectifi cation
Logic input
Output A for for full-bridge 1
Mixed decay setting
Analog input for fi xed off-time for full-bridge 1
Analog ground
Current trip reference voltage input
Analog input for fi xed off-time for full-bridge 2
Logic supply voltage
Output A for for full-bridge 2
Logic input
Logic input
Sense resistor for full-bridge 2
Load supply 2
Fault fl ag 1
Fault fl ag 2
Output B for for full-bridge 2
Logic input
Regulator decoupling
Power ground
Reservoir capacitor
Charge pump capacitor 1
Charge pump capacitor 2
Output B for for full-bridge 1
Logic input
Logic input
Load supply 1
www.allegromicro.com
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 [phone]
Description
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A3980
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