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参数资料
| 型号： | 78M6613-IM/F/P |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, QCC32 |
| 封装： | 5 X 5 MM, ROHS COMPLIANT, QFN-32 |
| 文件页数： | 10/33页 |
| 文件大小： | 957K |
| 代理商： | 78M6613-IM/F/P |
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78M6613 Data Sheet
DS_6613_018
18
Rev. 1.1
An alternate solution using discrete components can be used. Figure 13 shows an implementation using
a shunt regulator and two transistors.
Figure 13: Reset Generator Based On TL431 Shunt Regulator
As long as V3P3 is below the 2.79V threshold set by the voltage divider of R1 and R2, U1 will not
conduct current, the base of Q2 will be at the same potential as its emitter, so Q1 will be turned off. With
no current flowing in the collector of Q2, the base of Q1 will be low, Q1 will be turned off, and RESET will
track V3P3. When the V3P3 rises above 2.79V, the TL431 starts to conduct, the base of Q2 is be pulled
low, turning on Q2. This drives the base of Q1 high, turning Q1 on and pulling RESET low. The inherent
turn-on and turn-off delays of the TL4313 provide the ~1s delay required to ensure proper resetting of
the 78M6613.
3.7
Connecting the Emulator Port Pins
It is important to bring out the ICE_E pin to the programming interface in order to create a way
for reprogramming parts that have the Flash SECURE bit (SFR 0xB2[6]) set.
Providing access to
ICE_E ensures that the part can be reset between erase and program cycles, which will enable
programming devices to reprogram the part. The reset required is implemented with a watchdog timer
reset (i.e. the hardware WDT must be enabled).
Figure 14: External Components for the Emulator Interface
E_RST
E_RXTX
E_TCLK
62Ω
1000pF
ICE_E
V3P3
E_RST
78M6613
62Ω
ICE_E
300 Ω
相关PDF资料 |
PDF描述 |
|---|---|
| 78M6613-IMR/F | 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, QCC32 |
| 78M6613-IMR/F/P | 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, QCC32 |
| 78M6613-IM/F | 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, QCC32 |
| 7901502EA | 4-CHANNEL, DIFFERENTIAL MULTIPLEXER, CDIP16 |
| 798R07-001 | SPECIALTY CONSUMER CIRCUIT, SMA |
相关代理商/技术参数 |
参数描述 |
|---|---|
| 78M6613-IMR | 制造商:TERIDIAN 制造商全称:TERIDIAN 功能描述:Single-Phase AC Power Measurement IC |
| 78M6613-IMR/F | 功能描述:计量片上系统 - SoC Sgl Phase AC Pwr Measurement IC RoHS:否 制造商:Maxim Integrated 核心:80515 MPU 处理器系列:71M6511 类型:Metering SoC 最大时钟频率:70 Hz 程序存储器大小:64 KB 数据 RAM 大小:7 KB 接口类型:UART 可编程输入/输出端数量:12 片上 ADC: 安装风格:SMD/SMT 封装 / 箱体:LQFP-64 封装:Reel |
| 78M6613-IMR/F/P | 制造商:Maxim Integrated Products 功能描述:PROGRAMMED - LEAD FREE/TAPE & REEL - Tape and Reel |
| 78M6613-IMR/F/P48 | 制造商:Maxim Integrated Products 功能描述:SINGLE-PHASE AC POWER-MEASUREMENT IC, 4800 BAUD - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC SENSOR ISOLATED 32QFN 制造商:Maxim Integrated Products 功能描述:8-Bit Programmable Timing Element |
| 78M6613-IMR/F/PC1 | 功能描述:IC SENSOR ISOLATED 32QFN 制造商:maxim integrated 系列:Teridian?? 包装:带卷（TR） 零件状态:停产 输入阻抗:40 千欧 ~ 90 千欧 测量误差:0.5% 电压 - I/O 高:2V 电压 - I/O 低:0.8V 电流 - 电源:9.1mA 电压 - 电源:3 V ~ 3.6 V 表计类型:单相 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:32-VFQFN 裸露焊盘 供应商器件封装:32-QFN（5x5） 标准包装:2,500 |
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