WMSIC Electronic Components

RENESAS ISL6752AAZA-T ISL6752AAZA

ModelISL6752AAZA-T
PackageQSOP-16-150mil
BrandRENESAS
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
RENESAS ISL6752AAZA-T
Type
RENESAS
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
RENESAS
Electronic Component
ISL6752AAZA-T
Electronic Component
1
Package
QSOP-16-150mil
Electronic Component
DC-DC Power Supply IC
Electronic Component
0.297g
Electronic Component
1
Synchronous
Electronic Component
Electronic Component
BM0257329955
Operating Temperature
40℃~+105℃
Operating Voltage
9V~16V
Switching Frequency
800Hz~2MHz
Electronic Component
Electronic Component
Output Channel Count
4
Static Current(Iq)
175uA

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

ISL6752AAZA-T 产品概述

一、产品简介

ISL6752AAZA-T 是瑞萨(RENESAS)系列的一款多通道高性能 DC-DC 开关稳压器控制器,针对需要高效率、低静态功耗与灵活外置 MOSFET 的电源系统而设计。器件采用全桥式拓扑,支持同步整流,能够驱动外置开关管以实现更低的导通损耗和更高的转换效率。工作电压范围覆盖 9V 至 16V,工作温度范围为 -40℃ 到 +105℃(Ta),并提供 QSOP-16-150mil 封装,便于在中小型电子设备中实现紧凑布板。

二、主要特点

  • 全桥式拓扑,适合高功率密度应用场景。
  • 支持同步整流(synchronous rectification),可用外置 MOSFET 实现低损耗整流。
  • 多输出通道设计:4 路输出,可为多路负载或不同电压域供电。
  • 宽工作电压:9V–16V,适配常见汽车或工业输入总线(描述中支持至 20V 峰值)。
  • 开关频率可配置:800Hz–2MHz,兼顾效率与体积缩减的权衡。
  • 极低静态电流:IQ = 175 μA,有利于待机功耗控制。
  • 外置开关管驱动,便于选择不同规格 MOSFET 以优化效率或成本。
  • 工作温度范围:-40℃ 至 +105℃,适用于严苛环境。
  • 封装:QSOP-16-150mil,标准化封装利于自动贴装与焊接。

三、电气与工作参数(依据给定基础参数)

  • 输入电压(工作):9V ~ 16V(器件可承受短时更高电压,描述中提及 20V 峰值能力,请在实际设计中按器件数据手册判断极限)
  • 开关频率:800Hz ~ 2MHz,可根据应用在效率与元件尺寸间取舍
  • 工作温度:-40℃ ~ +105℃(Ta)
  • 同步整流:支持(外置同步 MOSFET)
  • 输出通道数:4 路
  • 拓扑结构:全桥式(H-bridge)
  • 静态电流(Iq):175 μA(低待机功耗)
  • 开关管:外置 MOSFET(用户可据负载及效率需求选型)
  • 封装:QSOP-16-150mil(热阻和布局需参照封装手册)

四、典型应用场景

  • 汽车电子:车载子系统(需注意输入瞬态及浪涌保护)
  • 工业控制:多路隔离或非隔离电源平台
  • 通信设备:基站或网元中需要多个稳压轨的电源管理
  • 高性能嵌入式系统:多电压域供电与高开关频率以缩小滤波器体积
  • 电源模块与板级电源(PMIC 级外置 MOSFET 实现高功率)

五、设计与选型建议

  • MOSFET 选型:根据输出电流和开关频率选取 VDS ≥ 20V 余量的 MOSFET,优先考虑低 Rds(on) 并兼顾开关损耗(尤其在高频工作时)。
  • 驱动能力:外置开关管由芯片驱动,需确保驱动峰值电流与开关速度匹配,同时注意驱动回路的回流环路面积最小化。
  • 滤波与电感:高频工作时可显著减小电感与电容,但需关注涟波、EMI 与元件热耗;设计时按最大输出电流与允许电流纹波选型。
  • PCB 布局:将输入电容、开关管与电感放置成紧凑环路,地线分层管理,分离功率地与信号地;在同步整流路径上使用短、粗的铜迹以降低寄生阻抗。
  • 热管理:QSOP-16 封装需关注封装散热路径,可在底层增加散热铜箔或借助过孔将热量引出;在高负载点评估结温并预留热冗余。
  • 保护设计:建议在系统级实现输入过压、欠压、输出过流及过温保护策略,即使芯片带有部分保护功能,也应在系统层面冗余设计。

六、封装与热管理

ISL6752AAZA-T 的 QSOP-16-150mil 封装便于中等密度的 PCB 布局。为保证长期可靠性,应关注封装热阻(θJA/θJC)并依据最大功耗选择合适的散热措施。常见做法包括增大底层铜面积、使用多过孔形成热柱以及将功率器件集中放置以便统一散热。

七、常见注意事项

  • 在高频模式下,效率与 EMI 之间存在折中,必要时采用频谱优化与滤波。
  • 外置 MOSFET 的选型与驱动网络直接影响系统效率和散热,建议在原型阶段进行多种器件测试比较。
  • 输入端应加入合适的去耦与浪涌抑制元件,尤其在车辆或工业供电环境中。
  • 严格按照器件数据手册和参考电路进行布局与补偿网络设计,避免在未经验证的条件下超出器件极限使用。

总结:ISL6752AAZA-T 是一款面向多路输出、高效能、低静态功耗的全桥 DC-DC 控制器,适合需要外置 MOSFET 优化性能的应用。在设计中合理选型 MOSFET、优化 PCB 布局与热管理,可以充分发挥其高频、低损耗与多通道优势。若需进一步的电气参数、引脚定义或参考电路,请以官方数据手册为准。

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