現在提供此產品的更新版本
功能相同，但針腳輸出與所比較的裝置不同。
TPS54362-Q1
- Qualified for Automotive Applications
- AEC-Q100 Qualified With the Following Results:
- Device Temperature Grade 1: –40°C to 125°C
Ambient Operating Temperature - Device HBM ESD Classification Level 2
- Device CDM ESD Classification Level C5
- Device Temperature Grade 1: –40°C to 125°C
- Withstands Transients up to 60 V With an Operating
Range of 3.6 V to 48 V - Asynchronous Switch-Mode Regulator With External
Components (L and C), Load Current up to 3 A (max.) - 0.8 V ± 1.5% Voltage Reference
- 200-kHz to 2.2-MHz Switching Frequency
- High-Voltage-Tolerant Enable Input for ON/OFF State
- Soft Start on Enable Cycle
- Slew-Rate Control on Internal Power Switch
- External Clock Input for Synchronization
- Pulse-Skip Mode (PFM) During Light Output Loads
With Quiescent Current = 65 µA Typical
(LPM Operation) - External Compensation for Wide-Bandwidth Error
Amplifier - Internal Undervoltage Lockout, UVLO
- Programmable Reset Power-On Delay
- Reset-Function Filter Time for Fast Negative
Transients - Programmable Overvoltage Output Monitoring
- Programmable Undervoltage Output Monitoring,
Issuance of Reset if Output Falls Below Threshold - Thermal Shutdown During Excessive Power Dissipation
- Switch Current-Limit Protection
- Short-Circuit and Overcurrent Protection of FET
- Junction Temperature Range: –40°C to 150°C
- 20-Pin HTSSOP PowerPAD Package
- Qualified for Automotive Applications
The TPS54362-Q1 device is a step-down switch-mode power supply with a low-power mode and a programmable voltage supervisor. Integrated input voltage-line feed-forward topology improves line transient regulation of the voltage-mode buck regulator. The regulator has a cycle-by-cycle current limit. Pulse-skip mode operation under no load reduces the supply current to 65 µA. Using the enable pin reduces the supply shutdown current to 1 µA.
An open-drain reset signal indicates when the nominal output drops below the threshold set by an external resistor-divider network. A soft-start capacitor controls the output voltage start-up ramp. The device activates an internal undervoltage shutdown when the input supply ramps down to 2.6 V.
Frequency foldback operation protects the device during an overload conditions on the output. The device also has thermal shutdown protection due to excessive power dissipation.
The B-revision has an improved leakage current parameter, and improved discharged function while in disable mode.
技術文件
| 重要文件 | 類型 | 標題 | 格式選項 | 下載最新的英文版本 | 日期 | |
|---|---|---|---|---|---|---|
| * | 資料表 | TPS54362-Q1 3-A, 60-V Step-Down DC-DC Converter With Low I(q) datasheet (Rev. G) | PDF | HTML | 2014/8/27 | ||
| * | 勘誤表 | TPS54362QPWPRQ1 Errata | 2010/12/3 |
設計與開發
如需其他條款或必要資源，請按一下下方的任何標題以檢視詳細頁面 (如有)。
TPS54362BEVM — TPS54362BEVM：具有 3.6V 至 48V 輸入、3A 輸出的降壓 DC-DC 轉換器評估模組
TPS54362-Q1 DC/DC 轉換器專為從 3.6V 至 48V 的輸入電壓源提供高達 3A 的輸出而設計。其切換頻率從外部設定為標稱 500kHz。補償元件位於積體電路 (IC) 外部，並經過挑選以最佳化裝置的暫態性能。外部分壓器實現可調整的輸出電壓。此外，TPS54362-Q1 提供可調整的軟啟動輸入。TPS54362BEVM 的絕對最大輸入電壓為 48V。
TPS54362B-Q1 Unencrypted PSpice Transient Model Package (Rev. A)
TIDA-00803 — 適用於前置攝影機系統且採用單核電壓應用處理器的車用電源設計
| 封裝 | 針腳 | CAD 符號、佔位空間與 3D 模型 |
|---|---|---|
| HTSSOP (PWP) | 20 | Ultra Librarian |
訂購與品質
建議產品可能具有與此 TI 產品相關的參數、評估模組或參考設計。