計算工具
TPS3704
- Up to four independent voltage supervisor channels:
- Fixed and adjustable window, UV, or OV voltage options. See for available options.
- Easy to use calculator tool for adjustable versions
- High threshold accuracy: ±0.25% (typical)
- Built-in precision hysteresis: 0.75% (typical)
- Fixed time delay options
- Open drain outputs
- Designed to support Arm-based processors such as TDA4, Sitara AM33xx, and advanced FPGAs and SOCs
- Low quiescent current: 15 µA (maximum)
- Temperature range: –40°C to +125°C
- Functional Safety-Compliant
- Systematic capability up to SIL 3
- Hardware capability up to SIL 1
The TPS3704x is a low-power precision window or standard voltage supervisor that can be configured as a quad, triple, or dual channel. Each channel has a threshold accuracy of ±1% in an 8-pin (1.6 mm x 2.9 mm) SOT-23 package offering a small solution size. The TPS3704x includes a very accurate threshold detection, with high resolution, that is ideal for systems that operate on low-voltage supply rails and have narrow margin supply tolerances. Built-in low threshold hysteresis and a fixed reset delay prevent false reset signals when monitoring multiple voltage rails.
The TPS3704x does not require any external resistors for setting the over and undervoltage reset thresholds, which further optimizes overall high accuracy, cost, solution size, and improves reliability for safety systems.
Separate VDD and SENSEx pins allow monitoring of rail voltages other than VDD or can be used as a push-button input. Optional use of external resistors are supported by the SENSEx pins. Each channel on the TPS3704x can be customized to its own over and undervoltage window detection with an upper and lower threshold tolerance that can be symmetric or asymmetric.
技術文件
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檢視所有 4 | 類型 | 標題 | 日期 | ||
|---|---|---|---|---|
| * | Data sheet | TPS3704x Quad, Triple, Dual Window or Standard Voltage Supervisor datasheet (Rev. E) | PDF | HTML | 2023年 12月 8日 |
| Functional safety information | TPS3704 Functional Safety Analysis Report Summary (FMEDA) (Rev. A) | PDF | HTML | 2022年 5月 26日 | |
| Functional safety information | TPS3704 Functional Safety Report Summary (Rev. A) | PDF | HTML | 2022年 5月 26日 | |
| Functional safety information | TPS3704x-Q1 Functional Safety Manual (Rev. A) | PDF | HTML | 2022年 5月 26日 |
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)。
開發板
TPS3704Q1EVM — 適合體積精巧的多通道窗型監控器的 TPS3704 評估模組
TPS3704 評估模組 (EVM) 是用於評估 TPS3704-Q1 的平台，此平台採用 8 針腳小型電晶體 (SOT-23) DDF 封裝的多通道窗型監控器和重設 IC。TPS3704Q1EVM 監控單電壓、雙電壓、三電壓和四電壓軌。EVM 的輸入電壓最高可運作 6 V。
輸出訊號 (/RESETx) 可以透過專門放置的跨接器在輸入電壓電平或獨立於任何電壓電平 (在運作範圍內) 進行設定，進而實現最大的靈活性。如需詳細資訊，請參閱使用指南。
計算工具
TPS3704-ADJ-CALC — TPS3704 adjustable-voltage threshold-resistor calculator
支援產品和硬體
模擬工具
PSPICE-FOR-TI — PSpice® for TI 設計與模擬工具
PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
| 封裝 | 針腳 | CAD 符號、佔位空間與 3D 模型 |
|---|---|---|
| SOT-23-THN (DDF) | 8 | Ultra Librarian |
訂購與品質
內含資訊：
- RoHS
- REACH
- 產品標記
- 鉛塗層/球物料
- MSL 等級/回焊峰值
- MTBF/FIT 估算值
- 材料內容
- 認證摘要
- 進行中持續性的可靠性監測
內含資訊：
- 晶圓廠位置
- 組裝地點