Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
Infineon BTS428L2
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
20
specifications
Core information
- Product name
- Infineon BTS428L2
- Type
- INFINEON
- Unit
- Electronic Component
- Minimum package
- 2500
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- INFINEON
- Electronic Component
- BTS428L2
- Electronic Component
- 1
- Package
- TO-252-4
- Type
- Switch
- Electronic Component
- Power Electronic Switch
- Electronic Component
- 0.65g
- Electronic Component
- 1
- Channel Count
- 1
- Features
- Voltage; Load
- Electronic Component
- BM0058432717
- Resistor
- 60mΩ
- Operating Temperature
- 40℃~+150℃
- Operating Voltage
- 4.75V~41V
- Current
- 7A
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
BTS428L2 — Infineon 高侧功率电子开关概述
一 产品定位
BTS428L2 是英飞凌（Infineon）推出的一款单通道高侧功率开关，面向需在单芯片上实现开关控制与保护的电源管理场景。该器件整合了多重保护机制与宽工作电压范围，适用于汽车与工业控制中的负载驱动与功率分配应用。
二 主要特性
- 类型：单通道高侧开关（High-side switch）
- 工作电压范围：4.75 V 至 41 V
- 最大连续电流：7 A
- 导通电阻（RDS(on)）：约 60 mΩ
- 控制逻辑：输入高电平有效（Active-high）
- 温度范围：-40 ℃ 至 +150 ℃
- 保护功能：过热保护（OTP）、过压保护（OVP）、短路保护（SCP）
- 封装：TO-252-4（有利于散热与焊接可靠性）
三 电气与热性能要点
BTS428L2 在典型工作条件下提供较低的导通电阻，能够在中等电流（最高 7A）下保持较小的功耗。器件内建的过热与短路保护在异常工况下能迅速限制电流或关断输出，保护器件与负载。设计时需关注封装热阻和 PCB 散热路径（建议大面积铜箔和过孔），以保证在高温与高电流下稳定工作。
四 典型应用场景
- 汽车电子：车灯、加热器、阀门驱动、车身控制模块
- 工业控制：电磁阀、执行器、继电器替代驱动
- 通用电源分配与负载开关：保护型高侧开关应用
五 设计与使用建议
- 输入接口直接与 MCU/控制器输出相连，输入高电平有效，注意匹配逻辑电平与滤波抗抖。
- 对于感性负载建议并联合适的缓冲或续流器件（例如二极管或电感回路处理），以降低开关瞬态应力。
- 布局上为功率引脚预留大面积散热铜箔，并使用多孔过孔导热至背面散热层。
- 在高温或长时间工作条件下，注意热关断保护行为与系统重试策略，以防止循环重启导致系统不稳定。
六 包装与选型提示
BTS428L2 采用 TO-252-4 封装，便于自动化贴装与可靠散热。选型时请依据最大连续电流、工作电压余量及热设计裕量确定是否满足目标应用的峰值与长期功率要求。如需更详细的电气特性曲线、引脚排列与典型应用电路，请参考英飞凌官方数据手册。
Request for quote
Send RFQ
Use the form for single models, category sourcing, and multi-line BOM requirements.
Product sourcing intelligence
Model, package, availability, and BOM fit reviewed before quotation.
WMSIC turns product data, package visuals, BOM context, and sourcing signals into practical RFQ notes for buyers.
BOM matching & alternatives
BOM lines are compared by package, parameters, quantity, and workable alternatives for cleaner sourcing decisions.
Sourcing availability signal
Stock routes, quotation confidence, lead-time notes, and shipment feasibility are checked before sales follow-up.
Buyer sourcing scenarios
Examples of how common component sourcing requests are organized.
Typical RFQ scenarios based on the WMSIC form fields, catalog data, manual review steps, and shipment preparation workflow.
The buyer shares the full part number, package requirement, quantity, destination, and available product photos so the quotation can record the exact version under review.
A multi-line BOM is organized into direct sourcing lines, lines that need package clarification, and lines where alternative-part review is permitted.
The original manufacturer part number, datasheet revision, application, critical limits, and acceptable changes are collected before possible candidates are discussed.
Sample quantity, minimum packing, package format, target date, and courier destination are kept together in one RFQ conversation.
Package photos, model markings, board context, and the quantity needed for repair help focus the sourcing review on the relevant version.
When a suffix or package note is incomplete, the response records the open difference and requests buyer confirmation before procurement proceeds.
Packing format, carton notes, invoice details, courier option, destination, and tracking handoff are coordinated around the confirmed order.
The request connects the previously used model, current demand, package evidence, target timing, and replenishment sourcing route.
Related products
Packaged components ready for RFQ.
