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Product Overview
The TPS7A4701QRGWTQ1 is a high-performance, low-dropout (LDO) voltage regulator from Texas Instruments, designed for automotive and industrial applications. It offers a wide input voltage range from 1.4V to 20V and delivers up to 1A of output current with excellent accuracy and low noise. The device is housed in a compact 20-VQFN (5x5 mm) package, making it suitable for space-constrained designs. With its enable pin, programmable soft-start, and overcurrent/thermal protection, the TPS7A4701QRGWTQ1 provides a robust power management solution.
Detailed Technical Specifications
| Parameter |
Value |
| Input Voltage Range |
1.4V to 20V |
| Output Voltage Range |
0.8V to 18.5V (adjustable) |
| Output Current |
1A |
| Dropout Voltage |
300mV at 1A (typical) |
| Output Noise |
4.2 µVRMS (10 Hz to 100 kHz) |
| PSRR |
70 dB at 1 kHz |
| Accuracy |
±1% (over line, load, and temperature) |
| Quiescent Current |
1.5 mA (typical) |
| Shutdown Current |
0.5 µA (typical) |
| Operating Temperature |
-40°C to +125°C |
| Package |
20-VQFN (5x5 mm) |
Key Features
- Wide input voltage range: 1.4V to 20V
- Adjustable output voltage from 0.8V to 18.5V
- High output current: 1A
- Low dropout voltage: 300 mV at 1A
- Ultra-low output noise: 4.2 µVRMS
- High PSRR: 70 dB at 1 kHz
- ±1% output voltage accuracy
- Enable pin and programmable soft-start
- Overcurrent and thermal shutdown protection
- AEC-Q100 qualified for automotive applications
Target Applications
- Automotive infotainment systems (e.g., dashboard displays, head units)
- Advanced driver-assistance systems (ADAS) cameras and sensors
- 5G base station power supplies
- Industrial automation and control systems
- Portable and battery-powered equipment
- Post-regulation for switching power supplies
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
TPS7A4701QRGWTQ1. 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
TPS7A4701QRGWTQ1 是德州儀器(TI)推出的一款高性能低壓差線性穩壓器(LDO),專為汽車和工業應用設計。它支援 1.4V 至 20V 的寬輸入電壓範圍,可提供高達 1A 的輸出電流,具有出色的精度和低噪聲特性。該器件採用緊湊的 20-VQFN(5x5 mm)封裝,適合空間受限的設計。憑藉使能引腳、可編程軟啟動以及過流/熱關斷保護功能,TPS7A4701QRGWTQ1 提供了穩健的電源管理解決方案。
詳細技術參數
| 參數 |
數值 |
| 輸入電壓範圍 |
1.4V 至 20V |
| 輸出電壓範圍 |
0.8V 至 18.5V(可調) |
| 輸出電流 |
1A |
| 壓差電壓 |
300mV(1A 時,典型值) |
| 輸出噪聲 |
4.2 µVRMS(10 Hz 至 100 kHz) |
| 電源抑制比 |
70 dB(1 kHz) |
| 精度 |
±1%(線性、負載和溫度範圍內) |
| 靜態電流 |
1.5 mA(典型值) |
| 關斷電流 |
0.5 µA(典型值) |
| 工作溫度 |
-40°C 至 +125°C |
| 封裝 |
20-VQFN(5x5 mm) |
核心特性
- 寬輸入電壓範圍:1.4V 至 20V
- 可調輸出電壓:0.8V 至 18.5V
- 高輸出電流:1A
- 低壓差電壓:300 mV(1A 時)
- 超低輸出噪聲:4.2 µVRMS
- 高電源抑制比:70 dB(1 kHz)
- ±1% 輸出電壓精度
- 使能引腳和可編程軟啟動
- 過流和熱關斷保護
- 通過 AEC-Q100 汽車級認證
典型應用場景
- 汽車信息娛樂系統(例如儀表板顯示屏、主機)
- 高級駕駛輔助系統(ADAS)攝像頭和傳感器
- 5G 基站電源
- 工業自動化和控制系統
- 便攜式和電池供電設備
- 開關電源後級穩壓
環球供應鏈與批發合作夥伴方案
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