参数资料
型号: A3946KLPTR
厂商: Allegro Microsystems Inc
文件页数: 1/14页
文件大小: 0K
描述: IC CTRLR MOSFET 16-TSSOP
标准包装: 4,000
应用: DC 电机控制器,无刷(BLDC),3 相
输出数: 1
电源电压: 7 V ~ 60 V
工作温度: -40°C ~ 135°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: 带卷 (TR)
A3946
Half-Bridge Power MOSFET Controller
Features and Benefits
? On-chip charge pump for 7 V minimum input
supply voltage
? High-current gate drive for driving a wide range of
N-channel MOSFETs
? Bootstrapped gate drive with top-off charge pump
for 100% duty cycle
? Overtemperature protection
? Undervoltage protection
? –40oC to 135oC ambient operation
Package: 16-pin TSSOP with exposed
thermal pad (Suffix LP)
Description
The A3946 is designed specifically for applications that require
high power unidirectional DC motors, three-phase brushless DC
motors, or other inductive loads. The A3946 provides two
high-current gate drive outputs that are capable of driving a
wide range of power N-channel MOSFET s. The high-side gate
driver switches an N-channel MOSFET that controls current to
the load, while the low-side gate driver switches an N-channel
MOSFET as a synchronous rectifier.
A bootstrap capacitor provides the above-battery supply voltage
required for N-channel MOSFETs. An internal top-off charge
pump for the high side allows DC (100% duty cycle) operation
of the half-bridge.
The A3946 is available in a power package: a 16-lead TSSOP
with exposed thermal pad (suffix LP). It is lead (Pb) free, with
100% matte tin plated leadframe (suffix -T).
Approximate Scale 1:1
Typical Application
V BAT
VBB
~FAULT
BOOT
GH
ECU
IN1
IN2
RESET
DT
VREF
LGND
A3946
PAD
S
GL
CP1
CP2
VREG
PGND
M
29319.150i
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A394-75 制造商:Seastrom Mfg 功能描述:
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A3948SLB 功能描述:IC MOTOR DRIVER PWM FULL 24-SOIC RoHS:否 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
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