参数资料
型号: A4936METTR-T
厂商: Allegro Microsystems Inc
文件页数: 4/9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
ELECTRICAL CHARACTERISTICS 1,2 Valid at T A = 25°C, V IN = 24 V; unless otherwise noted
Characteristics
Symbol
Test Conditions
Min.
Typ. 3
Max.
Unit
General
Supply Voltage Range
Motor Supply Current
HBIAS
HBIAS Current Limit
V BB
I BB
V HBIAS
I HBIASlim
Operating
f PWM < 30 kHz, C LOAD = 1000 pF
Standby mode
0 mA ≤ I HBIAS ≤ 24 mA
8.5
7.2
30
5.1
3
7.5
V BBOV
6.5
4
7.8
V
mA
mA
V
mA
Control Logic
Logic Input Voltage
V IN(1)
V IN(0)
2
0.8
V
V
Logic Input Current
Input Pin Glitch Reject
HBIAS Wake-up Delay, Standby Mode
I IN(1)
I IN(0)
t GLITCH
t dHBIAS
V IN = 2 V
V IN = 0.8 V
PWM pin
DIR, BRAKE, and STOP pins
C HBIAS = 0.1 μ F
–1.0
–1.0
350
700
<1.0
<–1.0
500
1000
15
1.0
1.0
650
1300
25
μ A
μ A
ns
ns
μ s
Gate Drive
High-Side Gate Drive Output
Low-Side Gate Drive Output
Gate Drive Current (Sourcing)
Gate Drive Pull-Down Resistance
Dead Time
Current Limit Input Threshold
Fixed Off-Time
V GS(H)
V GS(L)
I GATE
R GATE
t DEAD
V REF
t OFF
Relative to V BB , I GATE = 2 mA
I GATE = 2 mA
GHx = GLx = 4 V
7
7
20
10
700
180
18
30
28
1000
200
25
40
1300
220
37
V
V
mA
Ω
ns
mV
μ s
Protection
Thermal Shutdown Temperature
Thermal Shutdown Hysteresis
T JTSD
T JTSDhys
155
170
20
185
°C
°C
VBB UVLO Enable Threshold
VBB UVLO Hysteresis
VCP UVLO
Lock Detect Duration
VBB Overvoltage Threshold
V BBUV
V BBUVhys
V CPUV
t lock
V BBOV
Rising V BB
Relative to V BB , VCP falling
C = 0.1 μ F
Rising V BB
6.2
0.4
4.6
1.5
30
7
0.75
2
33
7.85
1
6
2.5
37.5
V
V
V
s
V
Hall Logic
Hall Input Current
Common Mode Input Range
AC Input Voltage Range
Hall Thresholds
Hall Threshold Hysteresis
Pulse Reject Filter
I HALL
V CMR
V HALL
V th
V HYS
t pulse
V IN = 0.2 to 3.5 V
Difference between Hall inputs at transitions
T J = 25°C
T J = –20°C to 125°C
–1
0.2
60
10
5
0
+10, –10
20
20
2
1
3.5
30
40
μ A
V
mV p-p
mV
mV
mV
μ s
Continued on the next page…
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
4
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