参数资料
型号: A3981KLPTR-T
厂商: Allegro Microsystems Inc
文件页数: 2/43页
文件大小: 0K
描述: IC MOTOR DVR MICROSTEP 28-TSSOP
标准包装: 1
系列: *
应用: *
输出数: *
电流 - 输出: *
电压 - 负载: *
电源电压: *
工作温度: *
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: 标准包装
其它名称: 620-1458-6
A3981
Selection Guide
Part Number
Automotive, Programmable Stepper Driver
Packing*
A3981KLP-T
A3981KLPTR-T
50 pieces per tube
4000 pieces per reel
4.4 mm × 9.7 mm, 1.2 mm nominal height TSSOP
with exposed thermal pad
*Contact Allegro ? for additional packing information.
Absolute Maximum Ratings Wi th respect to GND
Characteristic
Load Supply Voltage
Logic Supply Voltage
Pin CP1
Pins CP2, VCP
Pins STEP, DIR, ENABLE, DIAG
Pin VREG
Pin RESETn
Pin OSC
Pins MS0, MS1
Pins SDI, SDO, SCK, STRn
Pin REF
Pins OAP, OAM, OBP, OBM
Pins SENSA, SENSB
Ambient Operating Temperature
Range
Maximum Continuous Junction
Temperature
Symbol
V BBx
V DD
T A
T J (max)
Notes
Applies to V BBA and V BBB
Can be pulled to V BB with 38 k Ω
Range K; limited by power dissipation
Rating
–0.3 to 50
–0.3 to 6
–0.3 to V BB
–0.3 to V BB +8
–0.3 to 6
–0.3 to 8.5
–0.3 to 6
–0.3 to 6
–0.3 to 6
–0.3 to 6
–0.3 to 6
–0.3 to V BB
–0.3 to 1
–40 to 150
150
Unit
V
V
V
V
V
V
V
V
V
V
V
V
V
°C
°C
Overtemperature event not exceeding 10 s,
Transient Junction Temperature
Storage Temperature Range
T tJ
T stg
lifetime duration not exceeding 10 hours,
guaranteed by design and characterization
175
–55 to 150
°C
°C
Thermal Characteristics may require derating at maximum conditions
Characteristic
Package Thermal Resistance
(Junction to Ambient)
Package Thermal Resistance
(Junction to Pad)
Symbol
R θ JA
R θ JP
Test Conditions*
4-layer PCB based on JEDEC standard
2-layer PCB with 24.52 cm 2 of copper area each side
Value
28
32
2
Unit
oC/W
oC/W
oC/W
*Additional thermal information available on the Allegro website
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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