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MC33814AE,557 PDF预览

MC33814AE,557

更新时间: 2024-02-25 00:13:58
品牌 Logo 应用领域
恩智浦 - NXP /
页数 文件大小 规格书
71页 3292K
描述
Analog Circuit, 1 Func, PQFP48

MC33814AE,557 技术参数

生命周期:Active包装说明:LQFP-48
Reach Compliance Code:unknown风险等级:5.57
模拟集成电路 - 其他类型:ANALOG CIRCUITJESD-30 代码:S-PQFP-G48
长度:7 mm功能数量:1
端子数量:48封装主体材料:PLASTIC/EPOXY
封装代码:HLFQFP封装形状:SQUARE
封装形式:FLATPACK, HEAT SINK/SLUG, LOW PROFILE, FINE PITCH座面最大高度:1.6 mm
表面贴装:YES端子形式:GULL WING
端子节距:0.5 mm端子位置:QUAD
宽度:7 mmBase Number Matches:1

MC33814AE,557 数据手册

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Document Number: MC33814  
Rev. 12.0, 8/2018  
NXP Semiconductors  
Technical Data  
Two cylinder small engine control IC  
33814  
Powered by SMARTMOS technology, the 33814 delivers a cost-optimized IC  
solution for managing one and two-cylinder engines. With six drivers, three pre-  
drivers, a 5.0 V regulator for the MCU, a protected external sensor supply, and a  
high level of integration, the IC offers an ideal response to contemporary market  
requirements. The innovative VRS system optimizes noise immunity under  
cranking conditions. Diagnostic and protection features present on all outputs allow  
applications to operate with greater safety.  
TWO CYLINDER SMALL ENGINE  
CONTROL IC  
Features:  
• Operates over supply voltage range of 4.5 V < VPWR < 36 V  
• Start-up/shutdown control and power sequence logic with KEYSW input  
• MCU supply: VCC is a 5.0 V ( 2.0 %, 200 mA) regulated supply  
• Sensor supply: VPROT (100 mA) is a VCC tracking protected sensor supply  
• Three configurable pre-drivers for IGBT or general purpose gate MOSFETs for  
ignition and O2 sensor (HEGO) heater:  
98ASA00737D  
AE SUFFIX (PB-FREE)  
48-PIN LQFP-EP  
• PWM  
• Overcurrent shutdown  
• Short-to-battery shutdown  
Applications:  
• Six low-side drivers with full diagnostics, self-protection and PWM control:  
• Two fuel injector drivers, RDS(on) = 0.6 Ω, ILIMIT = 1.8 A, to drive typical 12 Ω  
high-impedance injectors  
Small Engine Control for:  
• Motor scooters  
• Small motorcycles  
• Lawn mowers  
• Lawn trimmers  
• Snow blowers  
• Chain saws  
• Gasoline-driven electrical generators  
• Outboard motors  
• Relay 1 driver, RDS(on) = 0.4 Ω, ILIMIT = 3.0 A, to drive fuel pump  
• Relay 2 driver, RDS(on) = 1.5 Ω, ILIMIT = 1.2 A, to drive power relay  
• Lamp driver, RDS(on) = 1.5 Ω, ILIMIT = 1.2 A, to drive warning lamp or an LED  
• Programmable Tachometer Driver, RDS(on) = 20 Ω, Ishutdown = 60 mA, to drive  
a Tachometer display  
• Innovative configurable VRS conditioning circuit, with two different parameter  
settings for engine cranking and running mode and an optional automatic mode  
to improve noise immunity in cranking conditions  
• K-line (ISO9141)  
• MCU reset generator and programmable watchdog  
• MCU Interface: 16-bit SPI and parallel interface with 5.0 V IO capability  
.
MC33814  
V
BAT  
5.0 V Sensor Supply  
Keyswitch  
BAT  
V
BAT  
V
KEYSW  
VPROT  
Relay 2  
(Power)  
ROUT2  
MIL  
VPWR  
LAMPOUT  
ROUT1  
TACHOUT  
VPPREF  
Relay 1  
(Fuel Pump)  
VPPSENS  
TACHOMETER  
O2HFB  
O2HOUT  
O2HSENSP  
O2 Heater  
MCU  
VCC  
VCC  
+5.0 V  
RESETB  
RESETB  
O2HSENSN  
V
BAT  
4
SPI  
SPI  
INJOUT1  
INJOUT2  
ISO9141  
Injectors  
MRX  
MTX  
BATSW  
RIN1  
RIN2  
IGNIN1  
IGNIN2  
INJIN1  
INJIN2  
VRSOUT  
O2HIN  
VRSP  
GPIO  
GPIO  
GPIO  
GPIO  
GPIO  
GPIO  
GPIO  
GPIO  
GPIO  
GPIO  
GPIO  
V
BAT  
ISO9141  
IGNFB1  
IGNOUT1  
IGNFB2  
IGNOUT2  
IGNSENSP  
IGNSENSN  
V
BAT  
VRSN  
GND  
Crankshaft VRS  
Figure 1. 33814 simplified application diagram  
© NXP B.V. 2018.  

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