参数资料
型号: A3998SETTR-T
厂商: Allegro Microsystems Inc
文件页数: 3/20页
文件大小: 0K
描述: IC MOTOR DRIVER DUAL DMOS QFN
标准包装: 1
应用: 直流电机驱动器,PWM 电机驱动器,步进电机驱动器
输出数: 1 或 2
电流 - 输出: ±1.5A
电压 - 负载: 9 V ~ 50 V
电源电压: 3 V ~ 5.5 V
工作温度: -20°C ~ 85°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
包装: 标准包装
其它名称: 620-1459-6
A3998
Dual DMOS Full Bridge Motor Driver
With Serial Port Control and Dual Regulators
Pin-out Diagram
GND
FRST
SLEEPN
1
2
3
24
23
22
CSN
VREG
NC
CLK
DATA
STB
ENB1
ENB2
4
5
6
7
8
PAD
21
20
19
18
17
VCP
CP2
CP1
SW1
OUT1B
Terminal List Table
Number
1,13,32
2
3
4
5
6
7
8
9
10, 16
11
12
14
15
17
Name
GND
FRST
SLEEPN
CLK
DATA
STB
ENB1
ENB2
OUT2B
VBB
OUT2A
SENSE2
SENSE1
OUT1A
OUT1B
Function
Ground
Control logic input
Control logic input, active low
Control logic input
Control logic input
Control logic input
Control logic input
Control logic input
DMOS full bridge 2, output B
Motor and switcher supply voltage
DMOS full bridge 2, output A
Sense resistor terminal, bridge 2
Sense resistor terminal, bridge 1
DMOS full bridge 1, output A
DMOS full bridge 1, output B
Number
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Name
SW1
CP1
CP2
VCP
NC
VREG
CSN
VIN
GD/VOUT2
FB2
FB1
VREF
RSTN
PMON
PAD
Function
DC to DC switch output
Charge pump capacitor terminal
Charge pump capacitor terminal
Reservoir capacitor terminal
No connect
Gate supply
Current Sense/Reg select
Logic supply/ LDO supply
Gate drive output / VOUT2
Feedback for VOUT2
Feedback for VOUT1
Analog input
Reset flag output
Power monitor flag output
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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