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Product Overview
The LMD18245T from Texas Instruments is a high-performance 3A H-bridge motor driver designed for bidirectional control of DC motors and stepper motors. Housed in a TO-220-15 package, it integrates DMOS power FETs and a fixed off-time PWM current control. Operating from 9V to 55V, it delivers continuous output current up to 3A (6A peak). The device features thermal shutdown, undervoltage lockout, and crossover-current protection, making it ideal for industrial and automotive applications.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (VS) |
9V to 55V |
| Output Current (Continuous) |
3A |
| Output Current (Peak) |
6A |
| RDS(on) (Typical) |
0.3Ω |
| PWM Frequency |
Up to 500 kHz |
| Operating Temperature |
-40°C to +125°C |
| Package |
TO-220-15 |
Key Features
- 3A continuous output current, 6A peak
- Wide supply voltage range: 9V to 55V
- Fixed off-time PWM current control
- Internal DMOS power FETs with low RDS(on)
- Thermal shutdown and undervoltage lockout
- Crossover-current protection
- Compatible with 3.3V and 5V logic
Target Applications
- Industrial automation: robotic arms, conveyor belts
- Automotive: power seats, window lifts, sunroofs
- Medical equipment: infusion pumps, diagnostic devices
- Office automation: printers, scanners
- 5G base station: antenna tilt control
- Dashboard: haptic feedback actuators
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
LMD18245T. 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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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
LMD18245T 是德州儀器 (TI) 的高性能 3A H 橋馬達驅動器,專為直流馬達和步進馬達的雙向控制而設計。採用 TO-220-15 封裝,整合 DMOS 功率 FET 和固定關斷時間 PWM 電流控制。工作電壓範圍為 9V 至 55V,連續輸出電流高達 3A(峰值 6A)。該器件具有熱關斷、欠壓鎖定和交叉電流保護功能,非常適合工業和汽車應用。
詳細技術參數
| 參數 |
數值 |
| 電源電壓 (VS) |
9V 至 55V |
| 輸出電流 (連續) |
3A |
| 輸出電流 (峰值) |
6A |
| 導通電阻 RDS(on) (典型) |
0.3Ω |
| PWM 頻率 |
最高 500 kHz |
| 工作溫度 |
-40°C 至 +125°C |
| 封裝 |
TO-220-15 |
核心特性
- 3A 連續輸出電流,6A 峰值
- 寬電源電壓範圍:9V 至 55V
- 固定關斷時間 PWM 電流控制
- 內部 DMOS 功率 FET,低導通電阻
- 熱關斷和欠壓鎖定
- 交叉電流保護
- 兼容 3.3V 和 5V 邏輯
典型應用場景
- 工業自動化:機械手臂、傳送帶
- 汽車:電動座椅、車窗升降、天窗
- 醫療設備:輸液泵、診斷設備
- 辦公自動化:打印機、掃描儀
- 5G 基站:天線傾角控制
- 儀表板:觸覺反饋執行器
環球供應鏈與批發合作夥伴方案
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