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| 型号： | A3950SLPTR-T |
| 厂商： | Allegro Microsystems Inc |
| 文件页数： | 1/12页 |
| 文件大小： | 0K |
| 描述： | IC MOTOR DVR FULL BRIDGE 16TSSOP |
| 标准包装： | 1 |
| 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： | 标准包装 |
| 产品目录页面： | 1140 (CN2011-ZH PDF) |
| 其它名称： | 620-1297-6 |
A3950
DMOS Full-Bridge Motor Driver
Features and Benefits
Description
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Low R DS(on) outputs
Overcurrent protection
Motor lead short-to-supply protection
Short-to-ground protection
Sleep function
Synchronous rectification
Diagnostic output
Internal undervoltage lockout (UVLO)
Crossover-current protection
Designed for PWM (pulse width modulated) control of DC
motors, the A3950 is capable of peak output currents to ±2.8 A
and operating voltages to 36 V.
PHASE and ENABLE input terminals are provided for use in
controlling the speed and direction of a DC motor with externally
applied PWM control signals. Internal synchronous rectification
control circuitry is provided to lower power dissipation during
PWM operation.
Internal circuit protection includes motor lead short-to-
supply / short-to-ground, thermal shutdown with hysteresis,
Packages:
undervoltage monitoring of V BB and V CP , and crossover-current
protection.
The A3950 is supplied in a thin profile (<1.2 mm overall height)
Package LP, 16 pin TSSOP
with Exposed Thermal Pad
Package EU, 16 pin QFN
with Exposed Thermal Pad
16 pin TSSOP package (LP), and a very thin (0.75 mm nominal
height) QFN package. Both packages provide an exposed pad
for enhanced thermal dissipation, and are lead (Pb) free with
100% matte tin leadframe plating.
Approximate Scale 1:1
Typical Application Diagrams
0.22 μ F
25 V
V BB
0.1 μ F
50 V
V BB
V DD
5 k Ω
PHASE
GND
SLEEP
ENABLE
A3950
EU Package
GND
CP2
CP1
OUTB
0.1 μ F
50 V
100 μ F
50 V
V DD
5 k Ω
NFAULT
MODE
PHASE
GND
SLEEP
ENABLE
OUTA
A3950
LP Package
NC
VREG
VCP
GND
CP2
CP1
OUTB
0.1 μ F
50 V
0.1 μ F
50 V
0.22 μ F
25 V
100 μ F
50 V
SENSE
VBB
0.1 μ F
50 V
0.1 μ F
50 V
A3950DS, Rev. 6
Package EU
Package LP
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 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 |
| A3952EB | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Industrial Control IC |
| A3952EEB | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Industrial Control IC |
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