A4987SESTR-T Allegro Microsystems Inc, A4987SESTR-T Datasheet - Page 3

• Manufacturer Part Number: A4987SESTR-T
• Description: IC STEPPER MOTOR DRIVER 24QFN
• Manufacturer: Allegro Microsystems Inc

Specifications of A4987SESTR-T

• Applications: Stepper Motor Driver, 2 Phase
• Number Of Outputs: 1
• Current - Output: *
• Voltage - Load: 8 V ~ 35 V
• Voltage - Supply: 3 V ~ 5.5 V
• Operating Temperature: -20°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 24-WFQFN Exposed Pad
• Motor Type: Stepper
• No. Of Outputs: 2
• Output Current: 1A
• Output Voltage: 35V
• Supply Voltage Range: 3V To 5.5V
• Driver Case Style: QFN
• No. Of Pins: 24
• Operating Temperature Range: -20°C To +85°C
• Evaluation Tools: Available
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 620-1375 - Board Eval Motor Control A4987
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

A4987
0.22 μF
SLEEP
VREG
VDD
IN01
IN02
IN11
IN12
PH1
PH2
REF
V
REF
DAC
REGULATOR
PWM Latch
BLANKING
Mixed Decay
OSC
Sense2
V
REF
CONTROL
LOGIC
PWM Latch
BLANKING
Mixed Decay
DMOS Dual Full-Bridge PWM Motor Driver
OSC
Functional Block Diagram
V
REF
Sense2
V
CP
OSC
V
DRIVE
REG
GATE
DAC
OCP
OCP
V
REG
DMOS FULL-BRIDGE 2
CHARGE PUMP
DMOS FULL-BRIDGE 1
With Overcurrent Protection
0.1 μF
Sense2
115 Northeast Cutoff, Box 15036
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 [phone]
www.allegromicro.com
SENSE1
SENSE2
OUT1A
OUT1B
OUT2A
OUT2B
VBB1
VBB2
0.1 μF
V
To
BB2
3