封裝資訊
| 封裝 | 引腳 VQFN-HR (RUW) | 15 |
| 作業溫度範圍 (°C) -40 to 150 |
| 包裝數量 | 運送包裝 3,000 | LARGE T&R |
TPS54020 的特色
- –40°C to +150°C operating junction temperature range
- Integrated 8-mΩ and 6-mΩ MOSFETs
- Thermally-enhanced 3.5-mm × 3.5-mm HotRod™ package
- Peak-current-mode control
- Eco-mode™ pulse skip for higher efficiency
- Overcurrent protection for both MOSFETs
- Selectable overcurrent protection schemes
- Selectable overcurrent protection levels
- Split power rail: 1.6 V to 17 V on PVIN
- 0.6-V voltage reference with ±1% accuracy
- 200-kHz to 1.2-MHz switching frequency
- Synchronizes to external clock
- Start-up into prebiased outputs
- Overtemperature and overvoltage protection
- Adjustable soft start and power sequencing
- Power-good output monitor for undervoltage and overvoltage
- SYNC_OUT function provides output clock signal 180° out-of-phase
- For SWIFT™ documentation and WEBENCH, visit http://www.ti.com/swift
- Create a custom design using the TPS54020 with the WEBENCH Power Designer
TPS54020 的說明
The TPS54020 is a 10-A, 4.5-V to 17-V input SWIFT converter. The innovative 3.5-mm × 3.5-mm HotRod package optimizes high-density step-down designs. The TPS54020 is a full-featured converter.
High efficiency is achieved through the innovative integration and packaging of the high-side and low-side MOSFETs. The TPS54020 operates at continuous current mode (CCM) at higher load conditions, and transitions to Eco-mode while skipping pulses to boost the efficiency at light loads.
Current limiting on both MOSFETs provides device and system protection. Cycle-by-cycle current limiting in the high-side MOSFET protects for overload situations. Low-side MOSFET zero current detection turns off the low-side MOSFET while operating under light loads. Three selectable current-limit thresholds allow a good fit for various applications. A hiccup or cycle-by-cycle overcurrent protection scheme is also selectable.
Thermal shutdown protection disables switching when die temperature exceeds the thermal shutdown trip point and enables switching after the built-in thermal hysteresis and shutdown hiccup time.