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Product Overview
The TL494IDR is a fixed-frequency pulse-width modulation (PWM) control circuit from Texas Instruments, designed primarily for power supply control. It incorporates all the functions required in the construction of a pulse-width modulation (PWM) control circuit on a single chip. The device is optimized for low-voltage operation and offers high efficiency in a compact 16-SOIC package.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (VCC) |
7V to 40V |
| Output Current (Source/Sink) |
200mA / 200mA |
| Oscillator Frequency |
1kHz to 200kHz |
| Dead-Time Control Range |
0% to 100% |
| Error Amplifier Input Voltage Range |
-0.3V to VCC - 2V |
| Operating Temperature Range |
-40°C to +85°C |
| Package |
16-SOIC |
Key Features
- Complete PWM power control circuitry
- Uncommitted outputs for single-ended or push-pull operation
- Internal oscillator with frequency programmable by external R and C
- Dead-time control for adjustable output dead time
- Automatic feed-forward compensation
- Low standby current (typical 6mA)
- Wide supply voltage range: 7V to 40V
Target Applications
- Switching power supplies for 5G base stations (e.g., rectifier modules)
- DC-DC converters in automotive dashboard power systems
- Battery chargers for industrial equipment
- Inverters for solar power systems
- Motor control in robotics
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
TL494IDR. Our core advantages include:
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24/7 Global Customer Support: Professional team providing instant
quotes and technical support worldwide.
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In-stock Inventory, Same-day Shipping: We maintain localized stock;
orders confirmed before 4 PM are shipped the same day.
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HK-SZ Synergy, Flexible Settlement: Direct global shipping from
Shenzhen with support for HK bank transfers and multi-currency.
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Escrow Secured Transactions: We support Escrow.com for secure
transactions, ensuring peace of mind for batch orders.
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BOM Kitting & Sampling Services: Specialized sourcing for
testing samples and urgent shortage components.
Quality Assurance & Compliance
Jasin Chip guarantees that all delivered products are 100% original factory stock
with full quality assurance and traceability.
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100% Original & Authentic: All components are guaranteed to
be authentic with strict quality control.
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RoHS Compliant: All electronic components comply with international
environmental and safety standards.
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Original Factory Packaging: We maintain original factory packaging
and seals to ensure ESD protection and physical integrity.
產品概述
TL494IDR 是德州儀器(TI)生產的固定頻率脈寬調製(PWM)控制電路,專為電源控制設計。它將脈寬調製控制電路所需的所有功能集成在單一芯片上,優化低電壓操作,並在緊湊的 16-SOIC 封裝中提供高效率。
詳細技術參數
| 參數 |
數值 |
| 電源電壓 (VCC) |
7V 至 40V |
| 輸出電流 (源/漏) |
200mA / 200mA |
| 振盪器頻率 |
1kHz 至 200kHz |
| 死區時間控制範圍 |
0% 至 100% |
| 誤差放大器輸入電壓範圍 |
-0.3V 至 VCC - 2V |
| 工作溫度範圍 |
-40°C 至 +85°C |
| 封裝 |
16-SOIC |
核心特性
- 完整的 PWM 電源控制電路
- 未提交輸出,支持單端或推挽操作
- 內部振盪器,頻率可通過外部 R 和 C 編程
- 死區時間控制,可調節輸出死區時間
- 自動前饋補償
- 低待機電流(典型 6mA)
- 寬電源電壓範圍:7V 至 40V
典型應用場景
- 5G 基站開關電源(例如整流模塊)
- 汽車儀表板電源系統中的 DC-DC 轉換器
- 工業設備電池充電器
- 太陽能系統逆變器
- 機器人電機控制
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 TL494IDR 提供全面的供應鏈與批發解決方案。
我們的核心優勢包括:
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全天候環球客戶支援:專業團隊為您提供即時報價及技術支援,無需漫長等待。
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現貨庫存,即日發貨:確保現貨充足。下午 4 點前確認訂單,即可安排當天寄出。
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深港聯動,結算靈活:深圳直發全球,物流高效可靠;支援香港銀行戶口轉賬及多幣種結算。
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Escrow 擔保交易:支援 Escrow.com 平台交易,保障買賣雙方權益,小批量訂單亦可安心在線下單。
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BOM 配單與樣板服務:提供樣板測試及認證支援。專注一站式 BOM 配套及緊急缺料採購服務。
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Jasin Chip 承諾所有出貨產品均為原廠正貨,具備完善的品質保證及產品可追溯性。
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100% 原廠正貨:承諾所有供應零件均為原裝現貨,品質嚴格把關,來源清晰可追溯。
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符合 RoHS 認證:所有電子元器件均符合國際環保標準及相關安全認證。
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原廠封裝保護:嚴格保留原廠原始包裝及封條,確保物流過程中的靜電防護 (ESD) 與物理安全。
以上產品均為原廠正貨,提供 BOM 配單及現貨庫存支援,歡迎查詢。
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