Overview of Power Management Unit for Portable Devices
について ICメーカー proudly presents the Texas Instruments TPS65090, a single-chip power management unit (PMU) designed for portable applications like tablets and smartphones. Operating with a 6-V to 17-V input, it integrates a switch-mode charger for 2-3 cell Li-ion batteries, three step-down converters (5 V/5 A, 3.3 V, adjustable), two 200-mA LDOs, and seven load switches. Its 7 mm ?? 7 mm VQFN-100 package and I2C interface ensure efficient power delivery in compact, battery-powered systems.
Industry experts endorse its capabilities. ??The TPS65090??s integration and efficiency are vital for our tablet power designs,?? says Dr. Emily Carter, Senior Engineer at TechMobile Solutions. Its versatility supports a wide range of consumer electronics.
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Why Choose This Power Management Unit Over Alternatives?
The TPS65090 excels among PMUs due to its comprehensive integration, high efficiency, and robust design. Unlike multi-chip solutions, it combines a battery charger, three buck converters, two LDOs, and seven load switches in a single IC, reducing component count. Its step-down converters achieve up to 95% efficiency, surpassing typical PMUs, while low-power mode and a 1-??A shutdown current enhance エネルギー効率 at light loads. The VQFN-100 package supports dense PCB layouts, making this Texas Instruments パワーマネージメントIC ideal for portable devices requiring reliable power management.
Technical Parameters of Portable Power Management Unit
The TPS65090 is engineered for high performance and reliability. Below are its key specifications, based on provided data:
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主要諸元表
| パラメータ | 価値 |
|---|---|
| 入力電圧範囲 | 6 V to 17 V |
| Buck Converter 1 Output | 5 V, 5 A |
| Buck Converter 2 Output | 3.3 V, adjustable |
| Buck Converter 3 Output | Adjustable, 1 V to 5 V |
| LDO1/LDO2 Output | 200 mA each, 1.8 V to 3.3 V |
| Battery Charger | Li-ion, 2-3 cells, 4 A max |
| 静止電流 | 80 ??A (operating), 1 ??A (shutdown) |
| スイッチング周波数 | 1.6 MHz (typical), 1.84 MHz (max) |
| インターフェース | I2C |
| 動作温度 | -40??C to 85??C |
| パッケージ | 100-pin VQFN (7 mm ?? 7 mm) |
| 特徴 | Power path, low-power mode, seven load switches, thermal regulation |
効率比較表
| PMU Type | Efficiency at 100 mA (%) | Quiescent Current (??A) | Component Count |
|---|---|---|---|
| TPS65090 | 95 | 80 | 1 IC |
| Typical Multi-Chip PMU | 90 | 100?C150 | 2?C3 ICs |
| Typical Single-Output PMU | 88 | 90?C120 | 1 IC |
Typical Applications for PMU Power Management
The TPS65090 supports a wide range of portable applications with its robust design. Key applications include:
- コンシューマー・エレクトロニクス Powers tablets and smartphones efficiently.
- モノのインターネット（IoT）： Supports low-power connected devices.
- Portable Media Players: Ensures stable power for multimedia systems.
In a real-world example, a tablet manufacturer integrated the TPS65090, achieving a 12% improvement in battery life and system reliability, as reported by their design team.
お問い合わせ
テキサス・インスツルメンツ信頼の半導体リーダー
の世界的リーダーであるテキサス・インスツルメンツが製造。 半導体 technology since 1930, the TPS65090 reflects TI??s commitment to innovation. Features like power path management, low-power mode, seven load switches, and I2C control ensure compliance with industry standards. Its compatibility with 2-3 cell Li-ion batteries makes it a trusted choice for engineers worldwide.
よくある質問（FAQ）
What is the primary function of this power management unit?
The TPS65090 integrates a Li-ion charger, three buck converters, two LDOs, and seven load switches, providing efficient power for portable devices like tablets, ensuring stable performance.
How does the low quiescent current benefit applications?
With a 1-??A shutdown current and 80-??A operating current, the TPS65090 minimizes power draw, extending battery life in consumer electronics, enhancing エネルギー効率 for prolonged usage.
What makes this PMU suitable for portable applications?
Its high-efficiency buck converters and low-noise LDOs deliver stable power with low ripple. The TPS65090??s I2C interface and power path management make it ideal for battery-powered devices.
What package options are available for this PMU?
It comes in a 100-pin VQFN package (7 mm ?? 7 mm), offering a compact footprint for dense designs, enabling efficient PCB layouts in tablets and IoT devices.
Is this PMU reliable in challenging environments?
Yes, with a -40??C to 85??C operating range, thermal regulation, and power-good signaling, it ensures reliable performance in demanding conditions, such as consumer electronics and IoT applications.
