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| 型号： | A3935KLQTR-T |
| 厂商： | Allegro Microsystems Inc |
| 文件页数： | 1/13页 |
| 文件大小： | 0K |
| 描述： | IC CTLR MOSFET 3PH AUTO 36-SOIC |
| 产品变化通告： | A3935KLQTR-T Obsolescence 24/Oct/2011 |
| 标准包装： | 1 |
| 应用： | DC 电机驱动器，无刷（BLDC），3 相 |
| 输出数： | 1 |
| 电压 - 负载： | 7 V ~ 40 V |
| 电源电压： | 4.75 V ~ 5.25 V |
| 工作温度： | -40°C ~ 135°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 36-QSOP |
| 供应商设备封装： | 36-QSOP |
| 包装： | 标准包装 |
| 产品目录页面： | 1140 (CN2011-ZH PDF) |
| 其它名称： | 620-1292-6 |
A3935
3-Phase Power MOSFET Controller for Automotive Applications
Features and Benefits
Description
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Drives wide range of N-channel MOSFETs in 3-phase bridges
PFM boost converter for use with low-voltage battery supplies
Internal LDO regulator for gate-driver supply
Bootstrap circuits for high-side gate drivers
The A3935 is designed specifically for automotive applications
that require high-power motors. Each provides six high-current
gate drive outputs capable of driving a wide range of N-channel
power MOSFETs.
? Current monitor output
? Adjustable battery overvoltage detection
? Diagnostic outputs
? Motor lead short-to-battery, short-to-ground, and bridge-
open protection
? Undervoltage protection
? –40°C to 150°C T J operation
? Thermal shutdown
Package 36-pin QSOP (LQ):
Approximate scale 1:1
A requirement of automotive systems is steady operation over
a varying battery input range. The A3935 integrates a pulse-
frequency modulated boost converter to create a constant
supply voltage for driving the external MOSFETs. Bootstrap
capacitors are utilized to provide the above battery supply
voltage required for N-channel FETs.
Direct control of each gate output is possible via six TTL-
compatible inputs. A differential amplifier is integrated to
allow accurate measurement of the current in the three-phase
bridge.
Diagnostic outputs can be continuously monitored to protect
the driver from short-to-battery, short-to-supply, bridge-open,
and battery under/overvoltage conditions. Additional protection
features include dead-time, VDD undervoltage, and thermal
shutdown.
The A3935 is supplied in a 36-lead 0.8 mm pitch QSOP (package
LQ, similar to SOICW). The lead (Pb) free variants (suffix –T )
have 100% matte tin leadframe plating.
Typical Application
26301.102J
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| A3938SLQTR | IC CTRLR MOSFET 3PH 36-QSOP |
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| A3949SLPTR-T | IC MOTOR DRVR PWM FULL 16TSSOP |
| A3950SLP-T | IC MOTOR DRIVER PWM FULL 16-TSSO |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| A3936-0000T | 制造商:3M 制造商全称:3M Electronics 功能描述:100 x 100, PCB Two Row |
| A3936-0010T | 制造商:3M 制造商全称:3M Electronics 功能描述:100 x 100, PCB Two Row |
| A3936-2000T | 制造商:3M 制造商全称:3M Electronics 功能描述:100 x 100, PCB Two Row |
| A3936-2010T | 制造商:3M 制造商全称:3M Electronics 功能描述:100 x 100, PCB Two Row |
| A3936SED | 功能描述:IC MOTOR DRIVER PWM 3PH 44-PLCC 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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