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TPS546C23
- PMBus™ 1.3 Compliant Converters: 35 A
- 2-Device Stackable for up to 70 A With Current Sharing
- Input Voltage Range: 4.5 V to 18 V
- Output Voltage Range: 0.35 V to 5.5 V
- Integrated 3.2-mΩ and 1.4-mΩ Stacked NexFET™ Power Stage
- 350-mV to 1650-mV Reference for Adaptive Voltage Scaling (AVS) Function and Margining through PMBus
- 0.5% Reference Accuracy at 600 mV and Above
- Lossless Low-Side MOSFET Current Sensing
- Voltage Mode Control With Input Feed-Forward
- Differential Remote Sensing
- Monotonic Start-Up into Pre-Biased Output
- Output Voltage and Output Current Reporting
- Internal Die Temperature Monitoring
- 64 Programmable PMBus Addresses via ADDR0 and ADDR1 Pins
- Programmable via the PMBus Interface:
- OCP, UVLO, Soft-Start, PG, OV, UV, OT Levels, Fault Responses
- Turnon and Turnoff Delays
- Thermal Shutdown
- Pin Strapping for Switching Frequency: 200 kHz to 1 MHz
- Frequency Synchronization to an External Clock or Output Clock to Sync Out
- Create a Custom Design Using the TPS546C23 With the WEBENCH® Power Designer
The TPS546C23 devices are PMBus 1.3 Compliant, non-isolated DC/DC converters with integrated FETs, capable of high-frequency operation and 35-A current output from a 7-mm × 5-mm package. Two TPS546C23 devices can be paralleled together to provide up to 70-A load. Current sensing is realized by sampling a small portion of the power stage current and independent on the device temperature. High-frequency, low-loss switching, provided by an integrated NexFET power stage and optimized drivers, allows for very high-density power solutions. The PMBus interface enables the AVS functions through VOUT_COMMAND, flexible converter configuration, as well as key parameters monitoring including output voltage, current, and internal die temperature. Response to fault conditions can be set to either restart, latch-off or ignore depending on system requirements.
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開發板
TPS546C23EVM1-746 — TPS546C23 35A PMBus 可堆疊同步降壓轉換器評估模組
The TPS546C23EVM1-746 evaluation module provides two separate buck converters that convert from a nominal 12-V bus to produce two regulated 0.9-V outputs, up to 35 A of load current each. The TPS546C23EVM1-746 is designed to demonstrate the TPS546C23 in a typical single-phase low output voltage (...)
使用指南: PDF
開發板
TPS546C23EVM2-746 — 具有 PMBUS 的 TPS546C23 堆疊式雙相 70A 評估模組
The TPS546C23EVM2-746 evaluation module combines two 35-A TPS546C23 buck converters in a stackable configuration to deliver a continuous 70-A output current and a regulated 1.2-V output from a nominal 12-V input bus. The evaluation module accomodates the PMBus interface with telemetry.
參考設計
PMP20490 — 具有堆疊式 TPS546C20A PMBus DCDC 轉換器的高密度 12V 輸入、1.2V 輸出、60A POL 參考設計
The TPS546C23 provides a single IC for both control & the synchronous power stage for high current DC/DC applications and allows doubling of the current capability with use of two of the same part. Multi-phase also allows output ripple cancellation and effective higher bandwidth control (...)
| 封裝 | 引腳 | 下載 |
|---|---|---|
| LQFN-CLIP (RVF) | 40 | 檢視選項 |
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