A3936SED Allegro Microsystems Inc, A3936SED Datasheet - Page 9

• Manufacturer Part Number: A3936SED
• Description: IC MOTOR DRIVER PWM 3PH 44-PLCC
• Manufacturer: Allegro Microsystems Inc

Specifications of A3936SED

• Applications: DC Motor Driver, Brushless (BLDC), 3 Phase
• Number Of Outputs: 1
• Current - Output: ±3A
• Voltage - Load: 9 V ~ 50 V
• Voltage - Supply: 3 V ~ 5.5 V
• Operating Temperature: -20°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 44-LCC (J-Lead)
• Operating Current: 10mA
• Operating Temperature Classification: Commercial
• Package Type: PLCC
• Operating Supply Voltage (min): 3V
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (max): 5.5V
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

A3936
Terminal List
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
BRAKE
SENSE
Pin Name
GND
GND
HA+
HA-
HB+
HB-
HC+
HC-
V
REF
GND
GND
GND
BRAKE
SENSE
SR
OUTA
HBIAS
VBB1
LSS1
OUTB
GND
GND
GND
LSS2
VBB2
TACH
OUTC
V
CP1
CP2
SLEEP
GND
GND
GND
OSC
V
DIR
ENABLE
EXTMODE
BLANK
PFD2
PFD1
GND
OUTA
GND
GND
GND
DD
CP
REG
VDD
HC+
REF
HC-
SR
10
11
12
13
14
15
16
17
7
8
9
DMOS Three-Phase PWM Motor Driver
Pin-out Diagram
Pin Description
Hall input
Hall input
Hall input
Hall input
Hall input
Hall input
Logic Supply Voltage
G
Logic Input
Sense Resistor Connection
Logic Input (Disabled = Low, Active SR = High)
DMOS H – Bridge A
Connection for hall element neg side
Load Supply Voltage
Low Side Source connection
DMOS H – Bridge B
Low Side Source connection
Load Supply Voltage
Speed output
DMOS H – Bridge C
Reservoir Capacitor Terminal
Charge Pump Capacitor Terminal
Charge Pump Capacitor Terminal
Logic input for SLEEP mode
Oscillator Terminal
Regulator decoupling Terminal
Logic Input
Logic Input
Logic Input
Logic Input
Logic Input
Logic Input
Power Ground Tab
m
Reference Input Voltage
39
38
37
36
35
34
33
32
31
30
29
ENABLE
DIR
VREG
OSC
GND
GND
GND
SLEEP
CP2
CP1
VCP
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
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