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首页英飞凌ICE3AR1080JG芯片规格书：800V CoolSET™技术详解

英飞凌ICE3AR1080JG芯片规格书：800V CoolSET™技术详解

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"ICE3AR1080JG是英飞凌科技(INFINEON)生产的一款800V CoolSET™芯片，适用于固定频率应用，具有极低待机功率和多种保护功能的中文规格书手册。" ICE3AR1080JG是一款由英飞凌公司制造的高性能半导体器件，主要特点是其800V雪崩耐压的CoolMOS™技术，这使得该芯片能够在高压环境中保持稳定工作。芯片内集成了启动单元，能够支持系统在各种条件下顺利启动。该芯片的核心特性之一是主动突发模式(Active Burst Mode)，这一模式旨在降低待机功率，使其低于100毫瓦，从而实现高效能与节能。用户可以根据需求选择进入和退出突发模式的水平，以优化性能和功耗。 ICE3AR1080JG还具备可调节的消隐窗口(Blanking Window)功能，这一特性对于处理高负载跳变情况十分有用，可以减少不必要的开关动作，提高系统的稳定性。此外，芯片内置频率抖动(Frequency Jittering)和软驱动(soft driving)技术，有助于降低电磁干扰(EMI)。该芯片的保护特性十分全面，包括可调整的欠压锁定(Brownout)功能，自动重启动(Auto Restart)保护，以应对过载、过温、电源电压欠压及过压等情况。外部保护启用引脚允许用户灵活控制自动重启动机制。内置的过温保护具有50°C的滞后特性，确保芯片在高温环境下也能得到适当的保护。 ICE3AR1080JG的开关频率为100kHz，并且带有抖动功能，可以进一步减少EMI影响。它还包含了10毫秒的内置软启动时间，以及20毫秒的可扩展消隐时间，以适应不同应用场景的需求。封装方面，ICE3AR1080JG采用无铅(Pb-free)铅镀层，符合RoHS标准的PG-DSO-12封装，确保了环保和兼容性。这款芯片的详细规格和使用指南可在提供的规格书手册中找到，对于设计者来说是重要的参考资料。

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Data Sheet 7 Revision 1.1

2017-06-13

Fixed-Frequency, 800V CoolSET™ in DS0-12 Package

Functional Description

3.3 Improved Current Mode

x3.25

PWM OP

Improved

Current Mode

0.6V

PWM-Latch

FBB

Driver

Soft-Start Comparator

Figure 5 Current Mode

Current Mode means the duty cycle is controlled by the slope of the primary current. This is done by comparing

the FBB signal with the amplified current sense signal.

FBB

Amplified Current Signal

0.6V

Driver

Figure 6 Pulse Width Modulation

In case the amplified current sense signal exceeds the FBB signal the on-time ton of the driver is finished by

resetting the PWM-Latch (Figure 6).

The primary current is sensed by the external series resistor R

Sense

inserted in the source of the integrated

CoolMOS™. By means of Current Mode regulation, the secondary output voltage is insensitive to the line

variations. The current waveform slope will change with the line variation, which controls the duty cycle.

The external RSense allows an individual adjustment of the maximum source current of the integrated

CoolMOS™.

To improve the Current Mode during light load conditions the amplified current ramp of the PWM-OP is

superimposed on a voltage ramp, which is built by the switch T2, the voltage source V1 and a resistor R1 (Figure

6). Every time the oscillator shuts down for maximum duty cycle limitation the switch T2 is closed by V

OSC

. When

the oscillator triggers the Gate Driver, T2 is opened so that the voltage ramp can start.

Data Sheet 8 Revision 1.1

2017-06-13

Fixed-Frequency, 800V CoolSET™ in DS0-12 Package

Functional Description

PWM OP

0.6V

10k

Oscillator

FBB

PWM-Latch

Gate Driver

Voltage Ramp

OSC

Soft-Start Comparator

time delay

circuit (156ns)

X3.25

PWM Comparator

Figure 7 Improved Current Mode

In case of light load the amplified current ramp is too small to ensure a stable regulation. In that case the

Voltage Ramp is a well defined signal for the comparison with the FBB-signal. The duty cycle is then controlled

by the slope of the Voltage Ramp.

By means of the time delay circuit which is triggered by the inverted VOSC signal, the Gate Driver is switched-off

until it reaches approximately 156 ns delay time (Figure 8). It allows the duty cycle to be reduced continuously

till 0% by decreasing V

FBB

below that threshold.

OSC

0.6V

FBB

max.

Duty Cycle

Gate

Driver

Voltage

Ramp

156ns time delay

Figure 8 Light Load Conditions

3.3.1 PWM-OP

The input of the PWM-OP is applied over the internal leading edge blanking to the external sense resistor

RSense connected to pin CS. RSense converts the source current into a sense voltage. The sense voltage is

amplified with a gain of 3.25 by PWM OP. The output of the PWM-OP is connected to the voltage source V1. The

voltage ramp with the superimposed amplified current signal is fed into the positive inputs of the PWM--

Comparator C8 and the Soft-Start-Comparator (Figure 9).

剩余38页未读，继续阅读

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LEFT JOIN Tx_IceCream ON IceCream.icecream_id = Tx_IceCream.icecream_id LEFT JOIN Tx ON Tx_IceCream.tx_id = Tx.tx_id AND Tx.month = 3; ``` 这样的话，会返回所有的 IceCream 记录，即使它们没有与 Tx_Ice...

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然后，它将一个新的Iceman对象分配给red_iceman[Iceman_totalNum]，并且打印出新Iceman对象的初始生命值和red_iceman数组中Iceman对象的总数。可能存在以下问题： 1. Iceman类的定义不清楚，可能存在语法或逻辑...

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#include<iostream> using namespace std; class Iceman { public: int num; int hp; int atk; static int totalNum; Iceman(int n, int h, int a) { num = n; hp = h; atk = a; totalNum++; } }; int Iceman::totalNum = 0; int main() { Iceman* red_iceman[100]; int Iceman_totalNum = 0; int current_hp = 3; red_iceman[Iceman_totalNum] = new Iceman(Iceman::totalNum + 1, current_hp, 0); Iceman_totalNum++; cout << " red iceman " << " born with strength " << red_iceman[Iceman_totalNum]->hp << "," << Iceman_totalNum << " iceman in red headquarter" << endl; }这段代码有什么问题

cout << " red iceman " << " born with strength " << red_iceman[Iceman_totalNum - 1]->hp ," << Iceman_totalNum << " iceman in red headquarter" ; delete red_iceman[Iceman_totalNum - 1]; // 释放内存 ...

ice_load_init(): failed to open file: /lib/firmware/intel/ice/dip/ice.pkg

这个错误信息表明在尝试加载驱动程序时，无法打开所需的文件 "/lib/firmware/intel/ice/dip/ice.pkg"。通常，这可能是由于缺少文件、文件权限不正确或文件路径错误引起的。要解决此问题，您可以尝试以下步骤： 1....

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