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| 型号： | A3940KLWTR-T |
| 厂商： | Allegro Microsystems Inc |
| 文件页数： | 2/13页 |
| 文件大小： | 0K |
| 描述： | IC CTRLR MOSFET FULL 28-SOIC |
| 标准包装： | 1,000 |
| 配置： | 半桥 |
| 输入类型： | 非反相 |
| 延迟时间： | 225ns |
| 电流 - 峰： | 700mA |
| 配置数： | 1 |
| 输出数： | 4 |
| 电源电压： | 7 V ~ 40 V |
| 工作温度： | -40°C ~ 135°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 28-SOIC W |
| 包装： | 带卷 (TR) |
3940
The A3940KLP and A3940KLW are designed speci ? cally for
automotive applications that require high-power motors. Each provides
four high-current gate drive outputs capable of driving a wide range of
n-channel power MOSFETs in a full-bridge con ? guration.
Bootstrap capacitors are utilized to provide the above-battery supply
voltage required for n-channel FETs. An internal charge pump for the
high side allows for dc (100% duty cycle) operation of the bridge.
Protection features include supply under/overvoltage, thermal shut-
A3940KLP
(TSSOP with exposed
thermal pad)
A3940KLW
(SOIC)
down, and motor lead short-to-battery and short-to-ground fault noti ? -
cation, and a programmable dead-time adjustment for cross-conduction
prevention. The overvoltage trip point is user adjustable.
The A3940 is supplied in a choice of two power packages, a 28-pin
Approx. 2X actual size.
ABSOLUTE MAXIMUM RATINGS
Load Supply Voltage Range, VBB, VD-
RAIN, CP1 ........................ -0.6 V to +40 V
Output Voltage Ranges,
LSS .............................. -2 V to +6.5 V
GHA/GHB, V GHX ......... -2 V to +55 V
SA/SB, V SX .................. -2 V to +45 V
GLA/GLB, V GLX .......... -2 V to +16 V
CA/CB, V CX .............. -0.6 V to +55 V
CP2,VCP, VIN ........... -0.6 V to +52 V
Logic Input/Output Voltage Range
V IN , V OUT .................... -0.3 V to +6.5 V
Operating Temperature Range,
T A ............................ -40°C to +135°C
Junction Temperature, T J .......... +150°C*
TSSOP with an exposed thermal pad (package type LP), and a 28-pin
wide-body SOIC (package type LW). Both package types are available
in lead (Pb) free versions, with 100 % matte-tin leadframe plating (suf-
? x –T).
FEATURES
?? Drives wide range of n-channel MOSFETs
?? Charge pump to boost gate drive at low-battery-input conditions
?? Bootstrapped gate drive with charge pump for 100% duty cycle
?? Synchronous recti ? cation
?? Fault diagnostic output
?? Adjustable dead-time cross-conduction protection
? Motor lead short-to-battery and short-to-ground protection
? Undervoltage/overvoltage protection
? -40°C to +150°C, T J operation
? Thermal shutdown
Always order by complete part number
Storage Temperature Range,
Part Number
Pb-free
Status Package
Packing
T S ............................ -55°C to +150°C
* Fault conditions that produce excessive junc-
tion temperature will activate device thermal
A3940KLPTR-T
A3940KLPTR
Yes
–
NND
LTB
28-pin TSSOP
28-pin TSSOP
4000 pcs/reel
4000 pcs/reel
shutdown circuitry. These conditions can be
tolerated, but should be avoided.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| A3941 | 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:Automotive Full Bridge MOSFET Driver |
| A3941KLP-T | 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:Automotive Full Bridge MOSFET Driver |
| A3941KLPTR | 制造商:Allegro MicroSystems LLC 功能描述:Automotive Full Bridge MOSFET Driver |
| A3941KLPTR-T | 功能描述:IC MOSFET FULL BRDG AUTO 28TSSOP RoHS:是 类别:集成电路 (IC) >> PMIC - MOSFET，电桥驱动器 - 外部开关 系列:- 标准包装:95 系列:- 配置:高端和低端，独立 输入类型:非反相 延迟时间:160ns 电流 - 峰:290mA 配置数:1 输出数:2 高端电压 - 最大（自引导启动）:600V 电源电压:10 V ~ 20 V 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:8-SOIC（0.154"，3.90mm 宽） 供应商设备封装:8-SOIC 包装:管件 产品目录页面:1381 (CN2011-ZH PDF) |
| A3942 | 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:Quad High-Side Gate Driver |
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