產品規格表
TPS25221
- 2.5-V to 5.5-V VOPERATING
- Pin-to-Pin with TPS2553
- 2-A ICONT_MAX
- 0.275-A to 2.7-A Adjustable ILIMIT (±6.5% at 1.7 A)
- 70-mΩ (typical) RON
- 1.5-µs Short Circuit Response
- 8-ms Fault Reporting Deglitch
- Reverse Current Blocking (when disabled)
- Built-In Soft Start
- UL 60950 and UL 62368 Recognition
- 15-kV ESD Protection per IEC 61000-4-2 (with external capacitance)
The TPS25221 is intended for applications where heavy capacitive loads and short circuits may be encountered. The programmable current-limit threshold maybe set between 275 mA and 2.7 A (typical) using an external resistor. ILIMIT accuracy as tight as ±6% can be achieved at the higher current-limit settings. Power-switch rise and fall times are controlled to minimize current surges during turn on and turn off.
When a load attempts to draw current exceeding the programmed ILIMIT the internal FET enters constant current mode in order to keep ILOAD at or below ILIMIT. The FAULT output will assert low during over-current conditions after the built in de-glitch time.
技術文件
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檢視所有 4 | 類型 | 標題 | 日期 | ||
|---|---|---|---|---|
| * | Data sheet | TPS25221 2.5-V to 5.5-V, 2-A Continuous Current Limited Switch datasheet (Rev. D) | PDF | HTML | 2019年 12月 11日 |
| Certificate | TPS25221 UL Certificate of Compliance IEC 62368-1 | 2020年 8月 14日 | ||
| Application note | Power Switch Fault Glitch Solution During Power Up (Rev. A) | PDF | HTML | 2020年 4月 9日 | |
| User guide | TPS25221 Evaluation Module (Rev. A) | 2019年 9月 23日 |
設計與開發
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開發板
TPS25221DBVEVM-018 — 適用於可調整電流限制 USB 電源開關的 TPS25221 評估模組
The TPS25221DBVEVM-018 is an evaluation module (EVM) for Texas Instrument's family of power-distribution switches with adjustable current-limit. This EVM operates over a 2.5 V to 5.5 V range. An onboard jumper sets the output current-limit to either 1.3 A or 2.6 A. Test points provide convenient (...)
使用指南: PDF
模擬型號
TPS25221 Unencrypted PSpice Transient Model Package (Rev. A)
SLVMCO6A.ZIP (73 KB) - PSpice Model
參考設計
TIDA-050027 — 具有彈性分割功能，可最大限度地節省電源的多軌電視電源供應參考設計
The TIDA-050027 reference design is a power distribution solution for Television (TV) platforms. By providing a configuration that emulates common voltage rails and peripherals, this design can be used as a reference design across multiple TV power architectures including LCD and OLED TV. On the (...)
| 封裝 | 針腳 | CAD 符號、佔位空間與 3D 模型 |
|---|---|---|
| SOT-23 (DBV) | 6 | Ultra Librarian |
| WSON (DRV) | 6 | 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