参数资料
型号: A1442EEWLT-P
厂商: Allegro Microsystems Inc
文件页数: 4/9页
文件大小: 0K
描述: IC DC MOTOR DRIVER LV 6-MLP
产品变化通告: Pre-EOL Notice 07/Feb/2012
标准包装: 1
应用: DC 电机驱动器,无刷(BLDC)
输出数: 1
电流 - 输出: 400mA
电源电压: 2 V ~ 4.2 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 6-XFDFN 裸露焊盘
供应商设备封装: 6-MLP/DFN 裸露焊盘(1.5x2)
包装: 标准包装
产品目录页面: 1140 (CN2011-ZH PDF)
其它名称: 620-1210-6
Low Voltage Full Bridge Brushless DC Motor Driver
A1442
with Hall Commutation and Soft Switching,
and Reverse Battery, Short Circuit, and Thermal Shutdown Protection
OPERATING CHARACTERISTICS valid over the full V DD and T A range unless otherwise noted
Characteristic
Supply Voltage 1
Supply Current
Total Output On Resistance 2,3
Reverse Battery Current
Sleep Input Threshold
Sleep Input Current
Reverse Sleep Current
Restart Delay 4
Hall Chopping Settling Time
Magnetic Switchpoints 2
Symbol
V DD
I DD(ON)
R DS(on)
I RDD
V INHI
V INLO
I IN
I RIN
t RS
t S(CHOP)
B OP
B RP
B HYS
Test Conditions
Operating, T J < T J (max); C BYP = 0.1 μ F
V IN >V INHI, , T A = 25°C , no load
V IN < V INLO , T A = 25°C
V DD = 2 V, I OUT = 70 mA, T A = 25°C
V DD = 3 V, I OUT = 70 mA, T A = 25°C
V DD = 4 V, I OUT = 70 mA, T A = 25°C
V RDD = –4.2 V
V IN = 3.0 V
V RIN = –4.2 V
Min.
2.0
0.7×V DD
–75
Typ.
4
3.9
2.6
2.2
1.0
120
80
35
-35
70
Max.
4.2
6
10
–10
0.2×V DD
5
–10
75
Units
V
mA
? A
Ω
Ω
Ω
mA
V
V
? A
mA
ms
? s
G
G
G
Output Polarity
V OUT1
V OUT2
B < B RP
B > B OP
B < B RP
B > B OP
– LOW –
– HIGH –
– HIGH –
– LOW –
V
V
V
V
1 A bypass capacitor of 0.1 μ F is required between VDD and GND for proper device operation through the full specified voltage range.
2 Extended V DD range affects R DS(on) and B x .
3 Total On Resistance equals either R DS(on) Q1 + R DS(on) Q4 or R DS(on) Q2 + R DS(on) Q3.
4 The Restart Delay is the time the outputs are on or off when the device is attempting a restart.
Allegro MicroSystems, Inc.
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
3
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