Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
GOODWORK TP4054
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- GOODWORK TP4054
- Type
- GOODWORK
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- GOODWORK
- Electronic Component
- TP4054
- Electronic Component
- 1
- Package
- SOT-23-5
- Electronic Component
- Battery Management
- Electronic Component
- 0.039g
- Electronic Component
- 1
- Features
- Programmable Current
- Electronic Component
- BM0257623397
- Operating Temperature
- 40℃~+85℃
- Operating Voltage
- 4.5V~7V
- Battery Type
- Battery
- Battery
- 1
- ICType
- IC
- 0VBattery
- Electronic Component
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
TP4054 产品概述
一、产品简介
TP4054 是一款面向单节锂离子/锂聚合物电池的线性充电管理芯片（SOT-23-5 封装），由 GOODWORK(固得沃克) 提供。芯片支持 0V 电池激活充电、最大充电电流 500mA、充电饱和电压 4.20V，工作温度范围宽 (-40℃ 至 +85℃)。典型输入工作电压范围为 4.5V～7V，静态电流(Iq) 仅 75µA，适合体积受限且对成本敏感的便携类应用。
二、主要特性
- 支持单节锂电池（Li-ion / Li-polymer）线性恒流-恒压充电；充电饱和电压 4.2V。
- 最大充电电流 500mA，可通过外部元件对充电电流进行设置与限制。
- 支持 0V 电池充电（能对深度放电电池进行唤醒充电）。
- 低静态功耗：Iq ≈ 75µA，有利于长时间待机应用。
- 工作温度范围 -40℃～+85℃，SOT-23-5 小封装便于空间受限的移动设备使用。
- 内置热调节与充电状态检测（自动恒流、恒压与终止逻辑），提高充电可靠性与电池寿命。
三、典型应用场景
- 蓝牙耳机、可穿戴设备、便携式传感器与物联网终端等对体积与成本敏感的产品。
- 小型手持设备、备用电池充电模块以及对 500mA 充电电流需求的桌面小工具。
四、设计要点与外部元件建议
- 输入端需并联合适的滤波电容以抑制干扰并稳定供电；电池端亦需放置低 ESR 的旁路电容以保证恒压阶段稳定。
- 充电电流通过外接编程电阻或限流电路设置，设计时应根据电池规格与热管理能力选择合适电流（本芯片最大 500mA）。
- 采用 SOT-23-5 封装时注意 PCB 布线：输入与电池端短而粗的走线以减小压降，地线尽量回流集中，敏感信号线远离大电流回路。
- 若系统供电电压高于芯片允许值（例如需要更宽输入范围至 10V），应在前端加入降压或稳压模块保护 TP4054。
五、安全与可靠性建议
- TP4054 主要完成电池充电管理，但并不替代完整的电池保护电路；建议并联独立的锂电保护 IC 或使用带保护的电池组，实现过充、过放、过流与短路保护。
- 对于长期或高温环境应用，应评估芯片及周边器件的热耗散，必要时在 PCB 中增加散热铜箔或通过导热结构降低结温。
- 对充电终止、重复充电与异常条件（如输入断电、热关断）进行系统级测试，确保整机在各种工况下的安全与稳定。
六、总结
GOODWORK 的 TP4054 是一款针对单节锂电池的高性价比线性充电芯片，具备 0V 唤醒、500mA 充电能力、4.2V 恒压终止与低静态电流等特点，适合体积小、成本敏感的便携设备应用。在使用时应合理配置外部限流、电容与保护电路，并关注热管理与 PCB 布局，以确保充电效率与使用安全。若需更高输入电压或更复杂的保护功能，可在芯片前端或系统层面做相应扩展。
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.
