Overview: TPS65090B Multi-Rail Power Management Unit
إن TPS65090B by تكساس إنسترومنتس is a comprehensive power management IC designed for advanced embedded systems requiring efficient regulation and sequencing of multiple power rails. This device features three high-efficiency step-down converters and two low-dropout regulators, all integrated into a compact QFN package. Engineers targeting portable or space-limited devices benefit from a reduced component count and robust control architecture.
Built with flexibility in mind, the TPS65090B provides programmable sequencing and voltage scaling via an I2C-compatible interface. It delivers reliable performance while addressing the power demands of processors, memory, and peripheral circuitry in applications like tablets, e-readers, and industrial handhelds.
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Key Technical Specifications of TPS65090B
| المعلمة | المواصفات |
|---|---|
| Step-Down Converters | 3 |
| منظمات تسرب منخفضة التسرب | 2 |
| نطاق جهد الإدخال | 2.7 V to 5.8 V |
| نطاق جهد الخرج | Adjustable per rail |
| واجهة التحكم | I2C-compatible |
| Protection | Thermal shutdown, UVLO, OVP |
| نوع الحزمة | QFN |
Why Choose TPS65090B Over Conventional PMICs
Unlike conventional solutions that require multiple discrete regulators, the TPS65090B offers a highly integrated architecture. This minimizes PCB space and simplifies design for engineers looking to streamline power delivery. The I2C-controlled configuration enables dynamic power adaptation depending on processor load and operating modes.
Its power-saving features, low quiescent current, and high conversion efficiency make it ideal for battery-powered devices. The added benefit of onboard protections ensures operational safety in fluctuating environments. These strengths position TPS65090B as a dependable choice from الشركة المصنعة للدوائر المتكاملة.
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المعلمات التقنية الموسعة
| الميزة | الوصف |
|---|---|
| Voltage Regulators | 3 Buck Converters, 2 LDOs |
| Max Load Current | Up to 2 A per Buck |
| Input Supply Range | 2.7 V to 5.8 V |
| الواجهة | I2C-controlled sequencing |
| Thermal Protection | Yes (Shutdown) |
| Undervoltage Lockout | نعم |
| Application Examples | Portable electronics, Embedded controllers, Industrial tablets |
Typical Applications of TPS65090B
- Tablet PCs and media readers
- Embedded computing platforms
- Industrial handheld systems
الأسئلة المتداولة (FAQ)
What makes TPS65090B suitable for portable devices?
The compact size and efficient voltage regulation help conserve board space and reduce heat, critical for space-constrained, battery-operated systems.
How does the I2C interface assist in power configuration?
It allows developers to configure voltage levels and startup sequences dynamically, improving adaptability and design flexibility for evolving system needs.
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Is TPS65090B equipped with system-level protections?
Yes. It integrates thermal shutdown, undervoltage lockout (UVLO), and overvoltage protection (OVP) to ensure safe operation under various conditions.
Can it support multi-rail SoC platforms?
Absolutely. With 3 buck converters and 2 LDOs, TPS65090B efficiently powers SoCs, memory, and peripherals in embedded environments.
Where can I buy genuine TPS65090B components?
الشركة المصنعة للدوائر المتكاملة is a trusted distributor of authentic Texas Instruments products, offering global shipping and professional service for industrial applications.
