A4952ELYTR-T Allegro Microsystems Inc, A4952ELYTR-T Datasheet - Page 4

• Manufacturer Part Number: A4952ELYTR-T
• Description: IC PWM MOTOR DVR FULL 10-MSOP
• Manufacturer: Allegro Microsystems Inc

Specifications of A4952ELYTR-T

• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

A4952 and
A4953
PWM Control Timing Diagram
PWM Control Truth Table
Note: Z indicates high impedance.
IN1
0
1
0
1
1
0
I
I
OUT1
OUT2
IN2
IN1
IN2
1
0
1
0
1
0
,
–I
+I
V
V
V
V
REG
REG
0 A
IN(1)
IN(0)
IN(1)
IN(0)
10×V
False
False
False
False
True
True
S
Mixed Decay
Forward/
> V
REF
Characteristic Performance
Mixed Decay
OUT1
Reverse/
H/L
Full-Bridge DMOS PWM Motor Drivers
H
Z
L
L
L
(Slow Decay)
Forward /
OUT2
Brake
H/L
H
Z
L
L
L
Reverse
Forward
Chop (mixed decay), reverse
Chop (mixed decay), forward
Brake (slow decay); after a Chop command
Coast, enters Low Power Standby mode after 1 ms
(Slow Decay)
Reverse/
Brake
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
Function
4