Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
XTX XTB1056L420AD3CT
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- XTX XTB1056L420AD3CT
- Type
- XTX
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- XTX
- Electronic Component
- XTB1056L420AD3CT
- Electronic Component
- 1
- Package
- DFN-2X2-8L
- Electronic Component
- Battery Management
- Electronic Component
- 0.1g
- Electronic Component
- 1
- Features
- Programmable Current
- Electronic Component
- BM0264826349
- Operating Temperature
- 40℃~+85℃
- Operating Voltage
- 0V~28V
- Battery Type
- Battery
- Battery
- 1
- ICType
- IC
- and Voltage
- 4.2V
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
XTB1056L420AD3CT 产品概述
一、概述
XTB1056L420AD3CT 是芯天下（XTX）推出的一款高耐压、小体积、用于单节锂离子电池的线性充电管理芯片。芯片支持 0V–28V 的工作输入电压，能够对 4.2V 单节锂电池实现最高 1A 的可编程充电电流，封装为 DFN-2X2-8L，适合空间受限且需高输入耐压的便携与工业类设备。
二、主要特性
- 恒流-恒压（CC/CV）充电算法，支持涓流充电与自动再充电；
- 最大充电电流 1A，可通过外部元件编程；
- 充电饱和电压 4.2V，适用于单节锂电池；
- 输入耐压高达 28V，适配宽范围电源与汽车、工业供电场景；
- 支持软启动与涌流限制，降低启动电流冲击；
- 内置过压保护、短路保护、电池反接保护；
- 电源与充电状态指示端口；
- 工作温度范围 -40℃～+85℃；不支持电池温度检测（需外部方案时请另行设计）。
三、功能说明
芯片通过外部取样电阻与编程元件设定充电电流与结束电流，工作流程为：若电池电压极低先以涓流/预充模式唤醒；随后进入恒流阶段至设定电压（4.2V）；达到 CV 阶段后电流逐步下降，当低于设定结束电流时判定充电完成；电池电压若低于再充阈值可自动再充。软启动与涌流限制减少上电瞬态对系统的影响。
四、保护与可靠性
XTB1056L420AD3CT 集成多重保护机制：输入过压保护、输出短路与过流保护、电池反接检测与保护、充电结束与异常指示等，保障充电过程的安全性与电池寿命。工作温度范围覆盖工业级要求，适合苛刻环境使用。
五、封装与引脚
封装为 DFN-2X2-8L（2.0mm × 2.0mm），体积小，适合高密度 PCB 设计。建议在 PCB 布局时为裸露散热焊盘留出充足铜面积，并把取样电阻、输入滤波电容靠近芯片布局以保证测量精度与稳定性。
六、典型应用
- 单节锂离子移动设备与便携终端；
- 车载电源前端（需 28V 耐压支持）；
- 工业传感器与 IoT 终端；
- 小型充电宝与备用电源管理。
七、使用建议与注意事项
- 由于不支持电池温度检测，若需温度保护请外加温度监测电路；
- 通过外接电流检测电阻设定充电电流（例如常见设计中 0.1Ω 可用于 1A 量级取样，需选择合适功率等级）；
- 输入端需配置低 ESR 电容与必要的过压/浪涌抑制元件以应对工业/车载瞬态；
- PCB 布局时将电源路径与电池路径最短化，取样电阻与相应引脚靠近芯片放置，散热焊盘连至大面积接地铜箔。
XTB1056L420AD3CT 以其 28V 高耐压、1A 可编程充电能力及小尺寸封装，为单节锂电池充电管理提供了可靠且灵活的解决方案，适用于对空间和输入电压适应性有较高要求的应用场景。 若需典型参考电路或更详细的引脚说明，请提供后续需求以便补充。
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.
