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YANGJIE YJQ55P02A
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
13
specifications
Core information
- Product name
- YANGJIE YJQ55P02A
- Type
- DFN3333-8L
- Minimum package
- 5000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- YANGJIE
- Electronic Component
- YJQ55P02A
- Electronic Component
- 1
- Package
- DFN3333-8L
- Electronic Component
- 0.119g
- Electronic Component
- 1
- Electronic Component
- BM0231132719
- Electronic Component
- Electronic Component
- Electronic Component
- 5000
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
YJQ55P02A 产品概述
一、产品简介
YJQ55P02A 是扬杰（YANGJIE）推出的一款高电流、低导通损耗的 P 沟道功率 MOSFET，额定漏源电压 20V，连续漏极电流达 55A，适用于各种低压高效率电源管理与高侧开关场合。器件采用 DFN 3.3×3.3mm 小封装，便于小尺寸、高密度 PCB 设计。
二、主要参数
- 类型：P 沟道 MOSFET（单片，1 个 P 沟道）
- 漏源电压 Vdss：20V
- 连续漏极电流 Id：55A（在合适散热条件下）
- 导通电阻 Rds(on)：6.5 mΩ（典型，VGS = -4.5V、ID = 15A 测试条件）
- 阈值电压 Vgs(th)：≈0.4V（典型值，按标准测试电流测得）
- 总栅极电荷 Qg：12.7 nC（@10V）
- 输出电容 Coss：690 pF；输入电容 Ciss：6.358 nF（@10V）；反向传输电容 Crss：477 pF（@10V）
- 功率耗散 Pd：3.2W（器件额定，受 PCB 散热影响）
- 工作温度范围：-55°C ~ +150°C
- 封装：DFN（3.3×3.3 mm）
三、性能亮点
YJQ55P02A 在低电压（20V）系统中表现优异。6.5 mΩ 的低导通电阻在中等电流下能显著降低导通损耗，提高系统效率；较小的 Qg 和中等 Ciss 有利于较快的开关响应，减小开关损耗；同时较低的 Vgs(th) 便于在低电平驱动场景实现可靠导通。
四、热管理与封装优势
器件的 Pd 标称为 3.2W，实际允许的持续电流高度依赖于 PCB 的铜面与散热设计。DFN 3.3×3.3 封装利于在底部焊盘做热通道，建议采用较大散热铺铜、通孔或散热垫以提高热阻性能。在高电流应用中应关注结温上升并做适当降额设计。
五、典型应用
- 低压大电流系统中的高侧开关与负载断开
- 电池管理与充放电保护（反向流阻断）
- USB/Type-C 电源路径控制与电源分配
- DC-DC 转换器中的同步开关或保护器件
- LED 驱动、马达驱动等需快速切换与低损耗场合
六、选型与使用建议
- P 沟道器件需在相对负向的 VGS 下导通（VGS 取负值），设计时确认驱动电压极性与幅值满足器件要求。
- 关注器件的最大 VGS 与 Vdss，避免在开关瞬态中超过规定极限；在高 dV/dt 场合加栅极电阻以抑制振铃。
- 布局上优化散热通道：增加底层铜面积、使用过孔或散热垫，确保在高电流工作时结温控制在安全范围内。
- 对 ESD 与浪涌敏感的场合建议添加 TVS 或限流保护。
七、结论
YJQ55P02A 以其低 Rds(on)、较高电流能力与紧凑 DFN 封装，适合低压、高效率、高密度的电源管理与开关应用。合理的驱动和散热设计是保证器件长期可靠工作的关键。若需在具体电路中使用，建议结合实际工作电流与 PCB 散热条件进行热仿真与实测验证。
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