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| 型号： | A3950SLP-T |
| 厂商： | Allegro Microsystems Inc |
| 文件页数： | 8/12页 |
| 文件大小： | 0K |
| 描述： | IC MOTOR DRIVER PWM FULL 16-TSSO |
| 标准包装： | 96 |
| 应用： | PWM 电机驱动器 |
| 输出数： | 1 |
| 电流 - 输出： | ±2.8A |
| 电源电压： | 8 V ~ 36 V |
| 工作温度： | -20°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-TSSOP（0.173"，4.40mm）裸露焊盘 |
| 供应商设备封装： | 16-TSSOP-EP |
| 包装： | 管件 |
| 其它名称： | 620-1064 |
A3950
NFAULT low, but does not disable the operation of the chip. If
the die temperature increases further, to approximately 175°C, the
full-bridge outputs will be disabled until the internal temperature
falls below a hysteresis of 15°C.
Overcurrent Protection . Referring to the figures below, the
voltage on the output pins relative to supply are monitored to
ensure that the motor lead is not shorted to supply or ground.
DMOS Full-Bridge Motor Driver
If a short is detected, the full-bridge outputs are turned off, flag
NFAULT is driven low, and a 1.2 ms fault timer is started.
After this 1.2 ms period, t OCP , the device will then be allowed
to follow the input commands and another turn-on is attempted.
If there is still a fault condition, the cycle repeats. If, after t OCP
expires, it is determined that the short condition is not present, the
NFAULT pin is released and normal operation resumes.
2 μ s / div.
2 A / div.
I SHORT
Fault asserted
NFAULT
Shorted load condition, output current waveform is shown along with the NFAULT output.
T OCP = 1.2 ms
200 μ s / div.
2 A / div.
I SHORT
Fault asserted
NFAULT
Shorted load condition illustrating repetitive cycles with a 1.2 ms delay.
Allegro MicroSystems, LLC
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
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相关代理商/技术参数 |
参数描述 |
|---|---|
| A3950SLP-T | 制造商:Allegro MicroSystems 功能描述:DMOS Driver |
| A3950SLPTR-T | 功能描述:IC MOTOR DVR FULL BRIDGE 16TSSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 电机和风扇控制器，驱动器 系列:- 产品变化通告:ATA683(3,4)PLQW Obsolescence 09/Aug/2012 标准包装:1 系列:- 应用:DC 电机控制器，无刷（BLDC），3 相 评估套件:可供 输出数:1 电流 - 输出:100mA 电压 - 负载:5.25 V ~ 20 V 电源电压:5.25 V ~ 20 V 工作温度:-40°C ~ 150°C 安装类型:表面贴装 封装/外壳:48-VFQFN 裸露焊盘 供应商设备封装:48-VQFN（7x7） 包装:剪切带 (CT) 其它名称:ATA6833-PLQWCT |
| A3951 | 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:FULL-BRIDGE PWM MOTOR DRIVER |
| A3951SB | 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:FULL-BRIDGE PWM MOTOR DRIVER |
| A3951SW | 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:FULL-BRIDGE PWM MOTOR DRIVER |
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