WMSIC Electronic Components

CJ CJ9113T6A

ModelCJ9113T6A
PackageSOT-23-6L
BrandCJ
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
CJ CJ9113T6A
Type
CJ
Minimum package
3000 个

Technical parameters

Electronic Component
Electronic Component
Electronic Component
CJ
Electronic Component
CJ9113T6A
Electronic Component
1
Package
SOT-23-6L
Electronic Component
DC-DC Power Supply IC
Electronic Component
0.137g
Electronic Component
1
Features
Load
Type
Electronic Component
Synchronous
Electronic Component
Electronic Component
BM0263676463
Operating Temperature
40℃~+85℃
Operating Voltage
820mV~5.5V
Switching Frequency
500kHz
Electronic Component
Electronic Component

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

CJ9113T6A 产品概述

一、产品简介

CJ9113T6A 是一款升压型 DC-DC 开关电源芯片,采用 SOT-23-6L 小封装,面向便携与低功耗电源方案。芯片工作电压范围宽(820mV 至 5.5V),输出电压可调(1.8V 至 5.5V),内部集成开关管并采用同步整流,开关频率为 500kHz,静态电流仅 4µA,适合电池供电、物联网终端、可穿戴设备等对面积和能耗敏感的应用。

二、主要特性

  • 升压拓扑,单通道输出,输出电压可调 1.8V~5.5V
  • 宽输入电压:0.82V ~ 5.5V,支持低电压启动与运行
  • 内置开关管,集成度高,简化外部器件数量和 PCB 布局
  • 同步整流,降低整流损耗,提高系统效率
  • 开关频率 500kHz,兼顾元件体积与转换效率
  • 超低静态电流 Iq = 4µA,适合长待机与低功耗场景
  • 功能特性:轻载高效模式、过流保护、负载断开(输出断开)
  • 工作温度:-40℃ ~ +85℃

三、典型应用场景

  • 单节或多节电池供电系统(如纽扣电池、锂离子电池)
  • 便携式与可穿戴电子(蓝牙耳机、智能手环)
  • 物联网节点与传感器供电模块
  • 需要稳定升压输出且对静态功耗敏感的消费电子产品

四、设计要点与建议

  1. 输入电容与输出电容应靠近芯片引脚放置,以减小回路电感并提高稳定性;优先选择低 ESR 的陶瓷电容。
  2. 电感选型:根据负载电流和占空比选择合适电感,推荐选择具有良好饱和电流余量的电感器件以保证过载与瞬态性能。
  3. 布局建议:开关节点(LX)、输入与输出回路尽量缩短铜迹,形成紧凑的开关回路,GND 尽量采用整片地或单点接地以降低噪声。
  4. 热管理:SOT-23-6L 封装热阻相对较高,高功率场景下注意散热与 PCB 铜箔面积的扩展。
  5. 调试注意:轻载高效模式下频率或工作方式可能切换,测试时请覆盖目标负载范围以验证稳定性与效率曲线。

五、保护与可靠性

CJ9113T6A 内置过流保护,能在异常负载或短路情况下限制输出电流,保护芯片与外部器件;具备负载断开功能,在特定控制或故障条件下可使输出与负载断开,避免损伤负载或延长电池寿命。符合工业级工作温度范围,适合多种环境下长期可靠运行。

六、封装与采购

  • 品牌:CJ(江苏长电/长晶)
  • 封装:SOT-23-6L(适合集成度高、占板面积小的产品设计)
    在客户样机与量产前,建议向供应商索取器件的完整数据手册、典型应用电路与评估板资料,以便完成电路仿真与 PCB 校验。

七、结语

CJ9113T6A 以其宽输入范围、低静态电流、同步整流和小封装的组合,适合对功耗和尺寸有严格要求的升压电源设计。合理选型外部被动元件并注意 PCB 布局与热管理,可在便携与低功耗系统中实现稳定、高效的升压输出。若需要具体性能曲线(效率、纹波、瞬态响应)或设计样例,请参考芯片数据手册或联系厂商技术支持。

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