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MAXIM控制器芯片MAX5980GTJ

发布时间:2017-4-27 17:20:00 访问次数:195 发布企业:深圳市裕硕科技有限公司

MAXIM控制器芯片MAX5980GTJ+T

MAXIM INTEGRATED PRODUCTS MAX5980GTJ+T芯片, 控制器, 以太网供电

The MAX5980GTJ+T is a quad, IEEE 802.3at/af PSE controller for power over Ethernet in 32 pin TQFN package. This power sourcing equipment (PSE) power controller designed for use in IEEE 802.3at/af-compliant PSE. The device supports both fully automatic operation and software programmability. It also supports new 2-event classification, class 5 for detection and classification of high power PDs. The MAX5980 supports single supply operation provides up to 70W to each port (class 5 enabled) and still provides high capacitance detection for legacy PDs. The device features an I2C compatible, 3-wire serial interface. The device provides instantaneous readout of port current and voltage through I2C interface. The device extensive programmability enhances system flexibility, enables field diagnosis and allows for uses in other nonstandard applications. It is used in PSE-ICM, power sourcing equipments (PSE), switches/routers and midspan power injectors. Operating voltage range from 32V to 60V and supply current of 5mA Automotive temperature range from -40°C to 105°C Lowest power loss with system power management enables high power applications 0.25ohm current sensing resistor and up to 70W per port for PSE applications Fully software configurable and programmable 400KHz serial clock frequency, 9bit port current and voltage monitoring Provides powered device (PD) discovery, classification, current limit and load disconnect detection High capacitance detection for legacy devices Supports DC load removal detections 9bit resolution ADC offset error is 2.5LSB at TA = -5°C to +85°C (voltage reading) 德州仪器,世界闻名的老牌半导体厂商。有数字信号处理器,仪表放大器,运算放大器,模/数转换器,通讯用模/数转换器,音响及多媒体器件,模拟器件。
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公司名:深圳市裕硕科技有限公司
联系人:雷莉萍
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地址:深圳市福田区红荔路上步工业区501栋488
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