【选型】开关频率1MHz的高压非同步降压芯片 HT7886用于无刷电机控制器,峰值限流达3.5A
某客户的项目是1.8KW无刷电机控制器,其中辅助电源板是先通过ACDC降压至90V左右,需要一颗DCDC将其再降至15V给后级电源部分供电。据此需求,本文为客户推荐了国产厂牌禾润的DCDC HT7886,这是一款高压非同步降压芯片,它的特点是:
1、宽输入电压范围:5V~100V;
2、峰值限流高达3.5A;
3、开关频率高达1MHz。
DCDC HT7886采用的是市面上常用的ESOP8封装,它的引脚顺序如图所示:
DCDC HT7886的优势:
1、内部集成高功率MOS;
2、持续输出电流高达2A;
3、集成了过温、短路等保护;
4、良好的瞬态响应能力;
5、价格和交期方面非常有优势。
DCDC HT7886的典型应用电路如图所示:
综上所述,禾润推出的高压非同步降压芯片HT7886非常适合用于无刷电机控制器。
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深圳市必易微电子股份有限公司
描述- 深圳市必易微电子股份有限公司是一家专注于高性能模拟及数模混合集成电路的供应商,提供AC-DC、DC-DC、驱动IC、保护IC、线性稳压、电池管理、放大器、数模转换器、传感器、隔离与接口等产品。公司致力于创新和易于使用,为消费电子、工业控制、网络通讯、数据中心、汽车电子等领域提供一站式芯片解决方案和系统集成。公司发展迅速,拥有多个研发中心,并与多家知名企业建立了合作关系。
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禾润(HEROIC)音频功放IC/电源管理IC/电机驱动芯片选型指南
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禾润升降压转换器选型表
禾润提供以下参数的升降压转换器选型:Output Voltage 3V~26.8V,Swith Current Limit 2.6A~15A等
产品型号
|
品类
|
Output Voltage
|
FB电压
|
Swith Current Limit
|
Switching Frequency
|
Architec ture
|
Packages
|
HT7179
|
升压转换器
|
4.5V~26.8V
|
1.2V
|
15A
|
350kHz
|
Async
|
ESOP16
|
选型表 - 禾润 立即选型
禾润电子公司简介
描述- 嘉兴禾润电子科技有限公司是一家专注于集成电路设计的Fabless IC供应商,是国内领先的蓝牙音箱等细分市场供应商。公司拥有年轻化的研发团队,掌握多项先进技术,并拥有多项专利。产品线涵盖音频类芯片和电源类芯片,广泛应用于无线音响、智能音响、耳机、智能家居等领域。公司致力于成为国内领先的Fabless IC设计供应商,并制定了相应的市场战略。
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HT7886 100V输入,3.5A开关限流降压变换器(HT7886 100V Input,3.5A,Switching Current Limit Step-Down Converter)
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型号- HT771229STNR,HT7712XX,HT7713XX,HT771329STNR,HT771339STNR,HT771229,HT771339,HT771219,HT771329,HT771219STNR
电子商城
现货市场
服务
可定制变压器电压最高4.5KV,高频30MHz;支持平面变压器、平板变压器、OBC变压器、DCDC变压器、PLC信号变压器、3D电源、电流变压器、反激变压器、直流直流变压器、车载充电器变压器、门极驱动变压器等产品定制。
最小起订量: 100000 提交需求>
Ignion可支持多协议、宽频段的物联网天线方案设计,协议:Wi-Fi、Bluetooth、UWB、Lora、Zigbee、2G、3G、4G、5G、CBRS、GNSS、GSM、LTE-M、NB-IoT等,频段范围:400MHz~10600MHz。
最小起订量: 2500 提交需求>
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