Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
RICHTEK RT9742CNGJ5
Configuration
1 options
Configuration
20+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- RICHTEK RT9742CNGJ5
- Type
- RICHTEK
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- RICHTEK
- Electronic Component
- RT9742CNGJ5
- Electronic Component
- 1
- Package
- TSOT-23-5
- Interface
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- Power Electronic Switch
- Electronic Component
- 0.208g
- Electronic Component
- 1
- Output
- 1
- Electronic Component
- BM69419271
- Type
- Surface Mount
- Operating Temperature
- 40°C ~ 85°C（TA）
- Switch Type
- USB Switch
- Electronic Component
- Current, UVLO
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
RT9742CNGJ5 产品概述
产品简介
RT9742CNGJ5 是由台湾立锜（RICHTEK）生产的一款高效能 USB 开关，用于各种电源管理应用。这款集成电源管理电路（PMIC）设计紧凑，具有多种保护特性，适用于手持设备、便携式电子产品以及其他对电源稳定性与可靠性要求较高的应用场景。
基础参数
RT9742CNGJ5 的主要参数包括：
- 开关类型：USB 开关
- 输出数量：1
- 输入输出比率：1:1
- 输出配置：高端
- 输出类型：N 通道
- 输出电压范围：2.7V 至 6V
- 最大输出电流：2A
- 导通电阻（典型值）：70 毫欧
- 输入类型：非反相
- 特性：状态标志
- 故障保护功能：具有限流（固定）、超温、反向电流和欠压锁定（UVLO）功能
- 工作温度范围：-40°C 至 85°C
- 安装类型：表面贴装型
- 封装类型：TSOT-23-5（细型）
应用领域
RT9742CNGJ5 可广泛应用于多种电源管理场景，特别适合用于：
- 移动设备与配件，如智能手机、平板电脑、移动音响等
- 消费类电子产品，包括可穿戴设备、智能家居产品以及便携式充电器
- 计算机外围设备，如外置硬盘驱动器、USB 集线器等
- 工业电子设备中，作为控制高端电源管理模块的一部分
功能特点
RT9742CNGJ5 的设计以高效能和高安全性为核心。其主要功能包括：
高效的开关功能：该 USB 开关以高达 2A 的输出电流能力，确保在高负载下依然保持优良的性能。其典型导通电阻为 70 毫欧，进一步减少功耗并有效提升能量传输效率。
状态指示功能：内置的状态标志特性，自带状态输出，有助于系统监控，使应用更具智能化。
多重保护特性：RT9742CNGJ5 配备先进的故障保护机制，包括限流保护、超温保护、反向电流保护以及欠压锁定（UVLO）保护，确保系统安全可靠，降低了因过流或过热引发的故障风险。
广泛的工作温度范围：其工作温度范围为 -40°C 至 85°C，使其适用于极端环境条件，增加了产品的适用性和可靠性。
紧凑的封装设计：采用 TSOT-23-5 封装，该产品不仅占用空间小，还能与多种表面贴装电路板兼容，是对低空间要求设备的理想选择。
总结
RT9742CNGJ5 是一款性能优良、安全可靠的集成电源管理电路（PMIC），在USB开关领域表现良好。凭借其先进的故障保护特性、较低的导通电阻、高电流输出能力及便于集成的封装设计，成为移动设备和消费类电子中的轻量化电源管理选择。立锜凭借其在电源管理技术领域的专业经验，为产品的稳定性和可靠性提供了坚强保证。无论是设计新产品，还是对现有设备进行升级，RT9742CNGJ5 都是一个值得考虑的优秀选择。
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.
1 Piece BGA Integrated Circuit Chipset MN864739 CXD90061GG CXD90062GG PS5 QFN-80
- Model
- MN864739
- Package
