A4931METTR-T Allegro Microsystems Inc, A4931METTR-T Datasheet - Page 6

• Manufacturer Part Number: A4931METTR-T
• Description: IC DC MOTOR PREDRIVER 3PH 28QFN
• Manufacturer: Allegro Microsystems Inc

Specifications of A4931METTR-T

• Applications: DC Motor Driver, Brushless (BLDC), 3 Phase
• Number Of Outputs: 1
• Voltage - Supply: 8 V ~ 33 V
• Operating Temperature: -20°C ~ 105°C
• Mounting Type: Surface Mount
• Package / Case: 28-VFQFN Exposed Pad
• Device Type: Full Bridge
• Output Resistance: 28ohm
• Input Delay: 3ms
• Output Delay: 3ms
• Supply Voltage Range: 8V To 37.5V
• Driver Case Style: QFN
• No. Of Pins: 28
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output: -
• Voltage - Load: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 620-1214-2

A4931
Power-up and Standby Modes Timing Diagram
Power-up and Standby Modes Timing Diagram
Voltage
Charge
Charge
HBIAS
HBIAS
Voltage
Pump
Pump
ENB
ENB
VBB
VBB
V
7.5V
BB
+7.5 V
V
BBUV
Outputs Enabled
3-Phase Brushless DC Motor Pre-Driver
t
dENB
3 ms
PWM
Outputs Enabled
Outputs Disabled
Standby Mode
Turn off Hall
Bias Supply
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
Outputs Enabled
Outputs Disabled
V
V
V
HBIAS
BBUV
CPUV
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