参数资料
型号: A3980KLPTR
厂商: Allegro Microsystems Inc
文件页数: 18/19页
文件大小: 0K
描述: IC DRIVER MICROSTEPPING 28-TSSOP
标准包装: 4,000
应用: 步进电机驱动器
输出数: 1
电流 - 输出: ± 1A
电压 - 负载: 7 V ~ 50 V
电源电压: 3 V ~ 5.5 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 28-SOIC(0.173",4.40mm 宽)裸露焊盘
供应商设备封装: 28-TSSOP 裸露焊盘
包装: 带卷 (TR)
A3980
Automotive DMOS Microstepping Driver
with Translator
Terminal List Table
Name
SENSE1
SR
DIR
OUT1A
Description
Sense resistor for full-bridge 1
Enable synchronous recti ? cation
Logic input
Output A for for full-bridge 1
Number
1
2
3
4
Pin-out Diagram
PFD
RC1
Mixed decay setting
Analog input for ? xed off-time for full-bridge 1
5
6
SENSE1
SR
DIR
1
2
3
VBB1 28 VBB1
27 SLEEP
26 ENABLE
AGND
REF
RC2
Analog ground
Current trip reference voltage input
Analog input for ? xed off-time for full-bridge 2
7
8
9
OUT1A
4
25 OUT1B
PFD
RC1
AGND
5
6
7
24 CP2
23 CP1
22 VCP
VDD
OUT2A
MS2
Logic supply voltage
Output A for for full-bridge 2
Logic input
10
11
12
REF
8
÷ 8
21 PGND
MS1
Logic input
13
RC2
9
Reg
20 VREG
VDD 10 VDD
OUT2A 11
MS2 12
MS1 13
SENSE2 14
19 STEP
18 OUT2B
17 FF2
16 FF1
VBB2 15 VBB2
SENSE2
VBB2
FF1
FF2
OUT2B
STEP
VREG
PGND
VCP
CP1
CP2
OUT1B
ENABLE
SLEEP
VBB1
Sense resistor for full-bridge 2
Load supply 2
Fault ? ag 1
Fault ? ag 2
Output B for for full-bridge 2
Logic input
Regulator decoupling
Power ground
Reservoir capacitor
Charge pump capacitor 1
Charge pump capacitor 2
Output B for for full-bridge 1
Logic input
Logic input
Load supply 1
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
Allegro MicroSystems, Inc.
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
17
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