参数资料
型号: A3918SESTR-T
厂商: Allegro Microsystems Inc
文件页数: 2/8页
文件大小: 0K
描述: IC MOTOR DRIVER DC 16QFN
特色产品: A3918 DC Motor Driver
标准包装: 1
应用: 直流电机驱动器,PWM 电机驱动器
评估套件: *
输出数: 1
电流 - 输出: 1A
电源电压: 2.5 V ~ 9 V
工作温度: -20°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 16-WFQFN 裸露焊盘
供应商设备封装: 16-QFN(3x3)
包装: 标准包装
其它名称: 620-1476-6
A3918
Selection Guide
Low Voltage DC Motor Driver
Part Number
A3918SESTR-T
Packing
1500 pieces per 7-in. reel
Package
16-pin QFN with exposed thermal pad
Absolute Maximum Ratings
Characteristic
Load Supply Voltage
Logic Input Voltage Range
Sense Voltage
Symbol
V BB
V IN
V SENSE
Notes
Continuous
Pulsed, t w < 1 μ s
May be limited by duty cycle, ambient
temperature, and heat sinking. Under
Continuous
Rating
9.6
–0.3 to 7
0.5
1
1
Units
V
V
V
V
A
Output Current
Operating Temperature Range
Junction Temperature
Storage Temperature Range
I OUT
T A
T J(max)
T stg
any set of conditions, do not exceed
the specified current rating or a junction
temperature of 150°C.
Range S
Peak, DC < 30%
1.5
–20 to 85
150
–40 to 150
A
°C
°C
°C
Thermal Characteristics may require derating at maximum conditions, see application information
Characteristic
Symbol
Test Conditions*
Value Units
Package Thermal Resistance
R θ JA
4-layer PCB based on JEDEC standard
42
oC/W
*Additional thermal information available on the Allegro website.
Terminal List Table
Name
Number
Function
Pin-out Diagram
CP1
CP2
CP3
CP4
15
1
14
16
Charge pump capacitor terminal 1
Charge pump capacitor terminal 2
Charge pump capacitor terminal 3
Charge pump capacitor terminal 4
CP2
GND
SLEEP
IN1
1
2
3
4
PAD
12 OUTA
11 SENSE
10 OUTB
9 VBB
FL
GND
IN1
IN2
OUTA
7
2, 6, 8
4
5
12
Current limit flag
Ground
Control input 1
Control input 2
DMOS full-bridge output A
OUTB
PAD
SENSE
ˉSˉ ˉLˉ ˉEˉ ˉEˉ ˉPˉ
VBB
VCP
10
11
3
9
13
DMOS full-bridge output B
Exposed thermal pad
Current sense resistor terminal
Sleep logic input, active low
Supply Voltage
Reservoir capacitor terminal
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
2
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