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A3980KLP PDF预览

A3980KLP

更新时间: 2024-01-11 15:55:36
品牌 Logo 应用领域
急速微 - ALLEGRO 驱动器运动控制电子器件信号电路光电二极管电动机控制
页数 文件大小 规格书
18页 512K
描述
Automotive DMOS Microstepping Driver with Translator

A3980KLP 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Not Recommended零件包装代码:TSSOP
包装说明:1.10 MM HEIGHT, LEAD FREE, MO-153AET, TSSOP-28针数:28
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:7.36
其他特性:ALSO REQUIRES 7V TO 50V VBB SUPPLY模拟集成电路 - 其他类型:STEPPER MOTOR CONTROLLER
JESD-30 代码:R-PDSO-G28JESD-609代码:e3
长度:9.7 mm湿度敏感等级:2
功能数量:1端子数量:28
最高工作温度:125 °C最低工作温度:-40 °C
最大输出电流:1 A封装主体材料:PLASTIC/EPOXY
封装代码:TSSOP封装等效代码:TSSOP28,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度(摄氏度):260电源:3.3/5 V
认证状态:Not Qualified座面最大高度:1.2 mm
子类别:Motion Control Electronics最大供电电流 (Isup):12 mA
最大供电电压 (Vsup):5.5 V最小供电电压 (Vsup):3 V
标称供电电压 (Vsup):5 V表面贴装:YES
技术:NMOS温度等级:AUTOMOTIVE
端子面层:Matte Tin (Sn)端子形式:GULL WING
端子节距:0.65 mm端子位置:DUAL
处于峰值回流温度下的最长时间:40宽度:4.4 mm
Base Number Matches:1

A3980KLP 数据手册

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A3980  
Automotive DMOS Microstepping Driver with Translator  
The A3980 is a complete microstepping motor driver with built-in  
translator for easy operation. It is designed to operate bipolar stepper  
motors in full-, half-, eighth-, and sixteenth-step modes, at up to 35 V  
and ±1 A. The A3980 includes a xed off-time current regulator which  
has the ability to operate in slow, fast, or mixed decay modes. This  
results in reduced audible motor noise, increased step accuracy, and  
reduced power dissipation.  
Package LP  
SENSE1  
SR  
VBB1  
VBB1  
SLEEP  
ENABLE  
OUT1B  
CP2  
1
2
28  
27  
26  
25  
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
DIR  
3
OUT1A  
PFD  
4
The translator is the key to the easy implementation of the A3980.  
Simply inputting one pulse on the step input drives the motor one  
microstep. There are no phase sequence tables, high frequency control  
lines, or complex interfaces to program. The A3980 interface is an ideal  
t for applications where a complex µP is unavailable or overburdened.  
5
RC1  
CP1  
6
AGND  
REF  
VCP  
7
÷
8
PGND  
VREG  
STEP  
OUT2B  
FF2  
8
RC2  
9
Reg  
Internal synchronous rectication control circuitry is provided to  
improve power dissipation during PWM operation.  
VDD  
VDD  
10  
11  
12  
13  
14  
OUT2A  
MS2  
Internal circuit protection includes: thermal shutdown with hysteresis,  
overvoltage lockout (OVLO), undervoltage lockout (UVLO), and  
crossover current protection. Special power-up sequencing is not  
required. In addition, two diagnostic fault ags provide indication of  
shorts or opens on the motor windings.  
MS1  
FF1  
SENSE2  
VBB2  
VBB2  
The A3980 is supplied in a low-prole (1.1 mm) 28L TSSOP with  
exposed thermal pad (part number sufx LP).  
Approximate Scale 1:1  
FEATURES  
ABSOLUTE MAXIMUM RATINGS  
Typical application up to ±1 A, 35 V output rating  
Low RDS(ON) outputs, 0.67 source, 0.54 sink typical  
Automatic current decay mode detection/selection  
3.0 V to 5.5 V logic supply voltage range  
Load Supply Voltage, 500 ms,VBB .....................50 V  
Logic Supply Voltage, VDD................................7.0 V  
Logic Input Voltage  
Mixed, fast, and slow current decay modes  
V
IN ................................. –0.3 V to VDD + 0.3 V  
Synchronous rectication for low power dissipation  
Internal OVLO, UVLO, and thermal shutdown circuitry  
Crossover current protection  
(tW < 30 ns) ....................... –1.0 V to VDD + 1 V  
Sense Voltage, VSENSE .......................................0.5 V  
Reference Voltage, VREF ………............. 0 V to VDD  
Package Power Dissipation (TA = +25ºC), PD  
"High-K" PCB1 ..............................RθJA28ºC/W  
Typical PCB2..................................RθJA38ºC/W  
Operating Temperature Range  
Short to supply/ground and short/open load diagnostics  
APPLICATIONS  
Automotive stepper motors  
Engine management  
Headlamp positioning  
Junction Temperature, TJ ...........–40°C to +150°C  
Storage Temperature, TS ..........–55°C to +150°C  
1Measured on a JEDEC-standard "High-K" 4-layer PCB.  
2Measured on a typical two-sided PCB with 3 in.2 copper  
ground area.  
Use the following complete part number when ordering:  
Part Number  
Package  
Description  
A3980KLP  
28-pin, TSSOP  
Exposed thermal pad  

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