参数资料
型号: A4936METTR-T
厂商: Allegro Microsystems Inc
文件页数: 3/9页
文件大小: 0K
描述: IC DC MOTOR PREDRIVER 3PH 32QFN
标准包装: 1
应用: DC 电机驱动器,无刷(BLDC),3 相
输出数: 1
工作温度: -20°C ~ 105°C
安装类型: 表面贴装
封装/外壳: 32-VFQFN 裸露焊盘
供应商设备封装: 32-QFN 裸露焊盘(5x5)
包装: 标准包装
其它名称: 620-1347-6
A4936
3-Phase Brushless DC Motor Pre-Driver
Functional Block Diagram
100 nF
CP1
CP2
100 nF
100 nF
CLD
HBIAS
2 k Ω
Lock
Detect
VREG
Enable
OVP
Charge
Pump
V REG V CP
VCP
VBB
100 nF
100 nF
V IN
Pin-out Diagram
HALL
HALL
HA+
HA–
HB+
HB–
Commun-
ication
Logic
Control
Logic
Phase A
Gate
Drive
GHA
SA
GLA
HA–
HB+
1
2
24 GHA
23 SB
HALL
HC+
HC–
200 mV
SENSE
GHB
SB
Phase A of three
phases shown
HB–
3
22 GHB
GLB
HC+
HC–
FG+
FGFB
FG–
4
5
6
7
8
PAD
21 SC
20 GHC
19 GLA
18 GLB
17 GLC
System
Logic
BRAKE
STOP
DIR
GHC
SC
GLC
FGFB
Terminal List Table
PWM
FGS
GND
+
FG–
FG+
Number
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
Name
HA-
HB+
HB-
HC+
HC-
FG+
FGFB
FG-
NC
GND
HBIAS
CP1
CP2
VBB
VCP
SENSE
GLC
Function
Hall input A
Hall input B
Hall input B
Hall input C
Hall input C
FG input
FG amplifier feedback output
FG input
No internal connection
Ground
Hall bias power supply output
Charge pump capacitor terminal
Charge pump capacitor terminal
Supply voltage
Reservoir capacitor terminal
Sense resistor connection
Low-side gate drive C
Number
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
Name
GLB
GLA
GHC
SC
GHB
SB
GHA
SA
FGS
CLD
DIR
PWM
STOP
BRAKE
HA+
PAD
Function
Low-side gate drive B
Low-side gate drive A
High-side gate drive C
High-side source connection C
High-side gate drive B
High-side source connection B
High-side gate drive A
High-side source connection A
FG output
Locked rotor detect timing capacitor
Logic input: motor direction
Logic input: external PWM control
Logic input: output disable
Logic input: motor brake
Hall input A
Exposed Thermal Pad
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
3
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