Overview: TPS65040 Integrated Power Management IC
The TPS65040 by Texas Instruments is a compact and efficient power management unit designed for portable and battery-operated applications. It provides three high-efficiency step-down converters and a single low-dropout (LDO) regulator in a single device, offering a complete power solution for embedded system designs.
This device is ideal for systems requiring tight voltage control and multiple power rails, including mobile phones, MP3 players, handheld GPS units, and more. Its compact QFN package and integrated control features help engineers reduce board space and system complexity.
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Key Technical Parameters of TPS65040
| Parameter | Specification |
|---|---|
| Step-Down Converters | 3 (600 mA each) |
| LDO Regulator | 1 (200 mA) |
| Input Voltage Range | 2.5 V to 6 V |
| Output Voltage Range | Adjustable |
| Switching Frequency | 1.5 MHz |
| Sequencing | Programmable |
| Protection Features | Thermal, Overcurrent |
| Package | QFN |
Comparison Benefits of TPS65040 Over Alternatives
Traditional power supply designs may use discrete regulators for each rail, leading to increased BOM cost and board space. The TPS65040 simplifies design with its integrated multi-output structure. Engineers benefit from programmable sequencing that helps align power-up/down requirements of processors and peripherals.
With its high switching frequency, the solution size is minimized, and the QFN package aids thermal dissipation in compact layouts. Reliability is enhanced through comprehensive built-in protections. Purchasing from IC Manufacturer guarantees original components, technical assistance, and fast logistics.
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Expanded Specifications Table
| Feature | Description |
|---|---|
| DC/DC Converters | 3 outputs, synchronous buck |
| LDO Output | 1 output, low noise |
| Soft Start | Yes |
| Voltage Control | Dynamic Adjustment |
| Operating Temp Range | -40??C to 85??C |
| Load Regulation | High precision |
Typical Applications of TPS65040
- Battery-powered media players
- Portable wireless communication systems
- Compact embedded processor platforms
Frequently Asked Questions (FAQ)
What power functions are integrated in TPS65040?
The device integrates three synchronous buck converters and one low-dropout linear regulator, all configurable for multiple voltage rails in portable systems.
How does programmable sequencing improve system reliability?
It allows designers to control the power-up order of each rail, ensuring processors and memory receive voltage in the proper sequence and avoiding damage or instability.
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Is TPS65040 efficient for battery-powered designs?
Yes, its high-frequency operation and integrated topology reduce switching losses, enabling lower power draw and longer battery life in mobile devices.
Does it offer thermal protection for safe operation?
It includes thermal shutdown and overcurrent features that safeguard both the IC and downstream components under abnormal conditions.
What are the key advantages of buying from IC Manufacturer?
With IC Manufacturer, customers receive genuine, quality-assured TI parts, fast global shipping, and expert technical consultation services for design support.
