產品規格表
TPS65400
- Efficiency up to 95% for each switching regulator
- Switching regulator specifications:
- Input voltage range: 4.5 to 18 V
- VOUT range: 0.6 V-90%VIN
- SW1, SW2 IOUT: 4-A max
- SW3, SW4 IOUT: 2-A max
- Prebias start-up algorithm minimizes voltage dip during start-up
- Internal undervoltage lockout (UVLO), overcurrent protection (OCP), overvoltage protection (OVP), and overtemperature protection (OTP)
- AECQ-100 grade 1 option
- Thermally enhanced 7-mm × 7-mm 48-pin, 0.5-mm pitch VQFN package
- Pin accessible features:
- Adjustable VOUT with external feedback resistors
- Sequencing control through precision enable pins for each switcher
- Resistor adjustable PWM switching frequency from 275 kHz to 2.2 MHz
- Clock sync input and clock output
- Soft-start delay through external capacitor
- Current sharing between SW1 and SW2 and between SW3 and SW4 allows support of higher current needs if required
- PMBus runtime control and status
- Runtime voltage positioning through adjustment of VREF
- Enable and disable of each switcher
- Fault and status monitoring
- User-configurable PMBus/I2C options, saved in EEPROM
- Power supply turn-on and turn-off sequencing
- Sequencing can be based on fixed time delays or PGOOD dependence
- Initial voltage positioning through VREF configuration
- PWM frequency adjustment for each switcher
- Individual PWM phase alignment for each switcher to minimize ripple and capacitor size
- Adjustable current limit on each regulator enables size and cost optimization of inductors
- Soft-start time
The TPS65400 is an integrated PMU optimized for applications requiring small form factor and high power conversion efficiency, enabling small space-constrained equipment with high ambient operating temperature without cooling. The device provides high-power efficiency at a system level by enabling a single stage conversion from an intermediate distribution bus with an optimized combination of regulators.
技術文件
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檢視所有 3 | 類型 | 標題 | 日期 | ||
|---|---|---|---|---|
| * | Data sheet | TPS65400 4.5- to 18-V Input Flexible Power Management Unit With PMBus/I2C Interface datasheet (Rev. E) | PDF | HTML | 2022年 3月 17日 |
| EVM User's guide | TPS65400 Buck Converter Evaluation Module User's Guide (Rev. A) | PDF | HTML | 2021年 5月 12日 | |
| Application note | How to Calculate the Load Pole and ESR Zero When Using Hybrid Output Capacitors (Rev. A) | 2019年 4月 2日 |
設計與開發
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開發板
TPS65400EVM-678 — TPS65400EVM 評估模組
The TPS65400EVM-678 evaluation module (EVM) is a fully assembled and tested circuit for evaluating the TPS65400. The max DC output current of this EVM is 4A,4A, 2A and 2A. The EVM contains input and output connectors as well as control jumpers to ease evaluation of device features. It also has EN1, (...)
開發模組 (EVM) 的 GUI
SLVC603 — PI-Commander-PMU EVM GUI
支援產品和硬體
產品
AC/DC 和 DC/DC 轉換器 (整合式 FET)
硬體開發
開發板
參考設計
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For wideband receiver system developers currently using FPGA or ASIC to connect High Speed data converters to a baseband processor, who need faster time to market with increased performance and significant reduction in cost, power, and size. This reference design includes the first widely available (...)
參考設計
PMP11414 — 適用於空間有限的應用的精巧型數位四路 4/4/2/2A 負載點參考設計
The PMP11414 reference design features TPS65400 quad 4/4/2/2A output point-of-load in a tiny 0.65"x0.875" solution size (16.5mmx22.2mm). TPS65400 fully integrates four buck regulators into a small 7mmx7mm QFN package. It also has PMBus capability for flexible control and configuration. The (...)
| 封裝 | 針腳 | CAD 符號、佔位空間與 3D 模型 |
|---|---|---|
| VQFN (RGZ) | 48 | 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