TPS2062DR - Dual 1A USB Power Switch | Texas Instruments
部品番号: TPS2062DR ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $0.89 | $0.89 |
| 10 | $0.78 | $7.80 |
| 100 | $0.62 | $62.00 |
| 500 | $0.55 | $275.00 |
| 1,000 | $0.48 | $480.00 |
TPS2062DR 概要
A power distribution switch is a semiconductor device that controls and protects power delivery to downstream loads. It typically includes a high-side MOSFET, current sensing, and protection features such as overcurrent, thermal shutdown, and undervoltage lockout. In a system hierarchy, the TPS2062DR sits between the main power rail and peripheral devices, acting as a smart switch that can be turned on/off via a logic signal while providing fault protection.
Key features of the TPS2062DR include a 70-mΩ high-side MOSFET, 1-A continuous current per channel, accurate current limit (1.1 A min, 2.1 A max), thermal and short-circuit protection, undervoltage lockout, deglitched fault report (OC), and a typical rise time of 0.6 ms. The active-low enable input allows for straightforward control from microcontrollers or logic gates. The device operates over a junction temperature range of -40°C to 125°C, making it suitable for industrial and automotive environments.
Technically, the TPS2062DR uses a current-limited architecture that ensures safe operation under overload conditions. The accurate current limit prevents excessive current draw, protecting both the switch and the load. The deglitched fault report (OC) provides a clean signal to the host controller, avoiding false triggers from transient currents. The undervoltage lockout ensures the switch remains off until the input voltage is stable, preventing erratic behavior during power-up.
Typical applications include USB port power switching, hot-swap power distribution, and power management in consumer electronics, industrial equipment, and networking devices. The dual-channel configuration allows independent control of two loads, making it ideal for applications requiring multiple power domains.
When designing with the TPS2062DR, ensure adequate input and output capacitance to maintain stability and minimize voltage transients. Place the device close to the load to reduce parasitic inductance and improve fault response. The active-low enable pin should be pulled up or driven by a logic signal; do not leave it floating.
ドロップイン代替品: TPS2062DR — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。
クイック比較ツール — 並列比較する代替部品を選択:
TPS2062D
✅ ドロップイン📋 参考代替品（カタログ未掲載）
TPS2062DR-1
✅ ドロップイン📋 参考代替品（カタログ未掲載）
TPS2066CDR
✅ ドロップイン ⚠️ 仕様未検証📋 参考代替品（カタログ未掲載）
TPS2065CDR
✅ ドロップイン ⚠️ 仕様未検証📋 参考代替品（カタログ未掲載）
TPS2062DR 最大定格＆電気的特性
| 出力数 | 2 |
| Output Current per Channel | 1 A |
| 入力電圧範囲 | 2.7 V to 5.5 V |
| On-State Resistance (RON) | 70 mΩ |
| Current Limit (min) | 1.1 A |
| Current Limit (max) | 2.1 A |
| Enable Logic | Active-low |
| Rise Time (typical) | 0.6 ms |
| Undervoltage Lockout | Yes |
| Fault Report | Deglitched OC |
| 動作温度範囲 | -40°C to 125°C |
| パッケージ | SOIC-8 (D) |
| 実装タイプ | Surface Mount |
| RoHS ステータス | Compliant |
| MSLレベル | 1 |
TPS2062DR ピン構成
| ピン 1 | IN — Input voltage supply |
| ピン 2 | IN — Input voltage supply |
| ピン 3 | EN — Enable (active low) |
| ピン 4 | OC — Overcurrent fault output (active low) |
| ピン 5 | GND — Ground |
| ピン 6 | OUT1 — Output channel 1 |
| ピン 7 | OUT2 — Output channel 2 |
| ピン 8 | NC — No connect |
主な用途
TPS2062DR の用途: 6 件s: USB Port Power Switching, Hot-Swap Power Distribution, Industrial Control Power Management, Consumer Electronics Power Switching, Networking Equipment Power Distribution, Battery-Powered Devices Power Gating.
USB Port Power Switching
The TPS2062DR provides dual 1A channels with accurate current limiting, making it ideal for USB ports on hubs, laptops, and docking stations. Its 70mΩ on-resistance minimizes voltage drop, ensuring reliable 5V delivery. The active-low enable allows individual port control, and the deglitched OC fault output signals overcurrent events to the host controller. With thermal shutdown, it protects against short circuits and overloads, enhancing system robustness.
おすすめ
Hot-Swap Power Distribution
In hot-swap applications, the TPS2062DR's controlled 0.6ms rise time limits inrush current, preventing voltage droops on the main rail. Its accurate current limit (1.1A min, 2.1A max) protects against excessive load currents during insertion. The undervoltage lockout ensures the switch remains off until the input is stable, avoiding glitches. This makes it suitable for PCIe cards, server blades, and other modular systems where safe power connection is critical.
おすすめ
Industrial Control Power Management
With a wide operating temperature range of -40°C to 125°C, the TPS2062DR is well-suited for industrial control systems. It can switch power to sensors, actuators, and communication modules, providing overcurrent and thermal protection. The dual channels allow independent control of different subsystems, improving power sequencing and fault isolation. Its low on-resistance reduces power dissipation, enhancing energy efficiency in 24V industrial buses when stepped down.
おすすめ
Consumer Electronics Power Switching
In consumer electronics like smart TVs, set-top boxes, and gaming consoles, the TPS2062DR manages power to USB ports and peripheral interfaces. Its small SOIC-8 package fits compact PCB layouts, and the active-low enable simplifies control from application processors. The accurate current limit prevents damage to connected devices, while the fault output allows the system to detect and respond to overcurrent conditions, improving user safety and device longevity.
おすすめ
Networking Equipment Power Distribution
The TPS2062DR is used in routers, switches, and access points to distribute power to USB ports, PoE modules, and internal peripherals. Its dual channels enable independent power control for different functional blocks, enhancing system flexibility. The 70mΩ on-resistance ensures minimal voltage drop, maintaining signal integrity in power-sensitive circuits. Thermal shutdown protects against overloads in high-density networking equipment, ensuring reliable operation.
おすすめ
Battery-Powered Devices Power Gating
In battery-powered devices like portable electronics and IoT sensors, the TPS2062DR can gate power to different subsystems to extend battery life. Its low quiescent current and 70mΩ on-resistance minimize power loss. The active-low enable allows the microcontroller to shut down unused peripherals, reducing standby power. The undervoltage lockout prevents deep discharge by disabling the switch when battery voltage drops too low.
おすすめ
おすすめ製品の概要
エンジニアリング参考データ: TPS2062DR — 比較、設計ガイダンス、コンプライアンス情報。
選定ガイド
代替品との比較
| パラメータ | この製品 | TPS2062D | TPS2062DR-1 | TPS2062CDGNR |
|---|---|---|---|---|
| Package | SOIC-8 (D) | SOIC-8 (D) | SOIC-8 (D) | MSOP-8 (DGK) |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Number of Outputs | 2 | 2 | 2 | 2 |
| Output Current per Channel | 1 A | 1 A | 1 A | 1 A |
| Input Voltage Range | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V |
| On-State Resistance | 70 mΩ | 70 mΩ | 70 mΩ | 70 mΩ |
| Enable Logic | Active-low | Active-low | Active-low | Active-low |
| Current Limit (min/max) | 1.1 A / 2.1 A | 1.1 A / 2.1 A | 1.1 A / 2.1 A | 1.1 A / 2.1 A |
主な差別化要因
- Dual-channel configuration （vs TPS2066CDR (single-channel))
- Accurate current limit (1.1A min, 2.1A max) （vs TPS2062DR-1 (different current limit))
- Active-low enable with deglitched OC （vs TPS2062CDGNR (same features but different package))
設計ノート
Place input and output capacitors close to the TPS2062DR pins to minimize parasitic inductance and ensure stable operation. Use a 10µF ceramic capacitor on the input and a 10µF ceramic capacitor on each output. Add a 0.1µF bypass capacitor near the IN pin for high-frequency noise suppression.
The TPS2062DR has a thermal resistance of approximately 100°C/W (SOIC-8). At 1A per channel with 70mΩ on-resistance, power dissipation is about 70mW per channel, resulting in a temperature rise of 7°C. This is well within safe limits, but ensure adequate copper pour on the PCB for heat spreading in high-ambient-temperature environments.
Do not leave the EN pin floating; it is active-low, so tie it to GND to enable the switch or drive it with a logic signal. Ensure the input voltage does not exceed 5.5V to avoid damage. The OC pin is an open-drain output; connect a pull-up resistor (e.g., 10kΩ) to the logic supply voltage.
コンプライアンス情報
RoHS compliant per TI product page. Not AEC-Q100 qualified. Halogen-free status not specified in available data.
