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| 型号： | A3906SES-T |
| 厂商： | Allegro Microsystems Inc |
| 文件页数： | 1/10页 |
| 文件大小： | 0K |
| 描述： | IC DVR DC/STEPPER MOTOR DUAL |
| 标准包装： | 92 |
| 应用： | 直流电机驱动器，步进电机驱动器 |
| 输出数： | 2/1 |
| 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： | 20-WFQFN 裸露焊盘 |
| 供应商设备封装： | 20-QFN 裸露焊盘（4x4） |
| 包装： | 管件 |
| 其它名称： | 620-1249 |
A3906
Low Voltage Stepper and Single/Dual DC Motor Driver
Features and Benefits
? 2.5 to 9 V operation
? Internal PWM current limit control
? Synchronous rectification for reduced power dissipation
? Peak current output flag
? Undervoltage lockout
? Low R DS(on) outputs
? Small package
? Brake mode for DC motors
? Sleep function
? Crossover-current protection
? Thermal shutdown
Package: 20-contact QFN (suffix ES)
Description
Designed for pulse width modulated (PWM) control of low
voltage stepper motors, and single and dual DC motors, the
A3906 is capable of output currents up to 1 A per channel and
operating voltages from 2.5 to 9 V.
The A3906 has an internal fixed off-time PWM timer that
sets a peak current based on the selection of a current sense
resistor. An overcurrent output flag is provided that notifies
the user when the current in the motor winding reaches the
peak current determined by the sense resistor. The fault output
does not affect driver operation.
The A3906 is provided in a 20-contact, 4 mm × 4 mm, 0.75 mm
nominal overall height QFN, with exposed pad for enhanced
thermal dissipation. It is lead (Pb) free, with 100% matte tin
leadframe plating.
Applications include the following:
? Digital still cameras (DSC)
? Cell phone cameras
? USB powered devices
? Battery powered devices
Approximate size
Typical Applications
0.1 μ F
0.1 μ F
0.1 μ F
0.1 μ F
CP1
CP2
CP3
CP4
VCP
0.1 μ F
CP1
CP2
CP3
CP4
VCP
0.1 μ F
+5 V
SLEEP
IN1
IN2
IN3
IN4
A3906
VBB
OUT1A
OUT1B
SENSE1
M
10 μ F
10 V
+5 V
SLEEP
IN1
IN2
IN3
IN4
A3906
VBB
OUT1A
OUT1B
SENSE1
10 μ F
10 V
M
FL1
FL2
GND
OUT2A
OUT2B
SENSE2
M
FL1
FL2
GND
OUT2A
OUT2B
SENSE2
3906-DS, Rev. 4
Dual DC motor application
Stepper motor application
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相关代理商/技术参数 |
参数描述 |
|---|---|
| A3906SESTR-T | 功能描述:IC DVR DC/STEP MOTOR DUAL 20-QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 电机和风扇控制器，驱动器 系列:- 标准包装:1 系列:- 应用:步进电机驱动器，1-2 相，2 相 评估套件:- 输出数:1 电流 - 输出:800mA 电压 - 负载:10 V ~ 28 V 电源电压:4.75 V ~ 5.25 V 工作温度:-20°C ~ 90°C 安装类型:表面贴装 封装/外壳:28-SOP + 2 翼片裸露焊盘 供应商设备封装:28-HSOPHC（15.2x7.9） 包装:剪切带 (CT) 其它名称:869-1268-1 |
| A3907 | 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:Low Voltage Voice Coil Motor Driver |
| A3907ECGTR | 功能描述:IC VOICE COIL MOTOR DVR 6-WLCSP RoHS:是 类别:集成电路 (IC) >> PMIC - 电机和风扇控制器，驱动器 系列:- 标准包装:1 系列:- 应用:直流电机驱动器，步进电机驱动器 评估套件:- 输出数:1 或 2 电流 - 输出:750mA 电压 - 负载:10 V ~ 40 V 电源电压:4.5 V ~ 5.5 V 工作温度:-20°C ~ 70°C 安装类型:表面贴装 封装/外壳:24-BFSOP（0.295"，7.50mm 宽） 供应商设备封装:24-SOP 包装:Digi-Reel® 其它名称:MTS62C19A-HS105DKR |
| A3908 | 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:Low Voltage DC Motor Driver |
| A3908-0000T | 制造商:3M 制造商全称:3M Electronics 功能描述:100 x 100, PCB Two Row |
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