LP87522-Q1
- Qualified for Automotive Applications
- AEC-Q100 Qualified With the Following Results:
- Device Temperature Grade 1: –40°C to +125°C Ambient Operating Temperature
- Device HBM ESD Classification Level 2
- Device CDM ESD Classification Level C4B
- Input Voltage: 2.8 V to 5.5 V
- Output Voltage: 0.6 V to 3.36 V
- Four High-Efficiency
Step-Down DC/DC Converter Cores:
- Maximum Output Current: 10 A
- Switching Frequency: 2 MHz
- Spread-Spectrum Mode and Phase Interleaving
- Configurable General Purpose I/O (GPIOs)
- I2C-Compatible Interface That Supports Standard (100 kHz), Fast (400 kHz), Fast+ (1 MHz), and High-Speed (3.4 MHz) Modes
- Interrupt Function With Programmable Masking
- Programmable Power-Good Signal (PGOOD)
- Output Short-Circuit and Overload Protection
- Overtemperature Warning and Protection
- Overvoltage Protection (OVP) and Undervoltage Lockout (UVLO)
The LP8752x-Q1 device is designed to meet the power-management requirements of the latest processors and platforms in various automotive power applications. The device contains four step-down DC/DC converter cores, which are configured as a 4-phase output, 3-phase and 1-phase outputs, 2-phase and 2-phase outputs, one 2-phase and two 1-phase outputs, or four 1-phase outputs. The device is controlled by an I2C-compatible serial interface and by enable signals.
The automatic pulse-width-modulation (PWM) to pulsed-frequency-modulation (PFM) operation (AUTO mode), together with the automatic phase adding and phase shedding, maximizes efficiency over a wide output-current range. The LP8752x-Q1 supports remote differential-voltage sensing for multiphase outputs to compensate IR drop between the regulator output and the point-of-load (POL) improving the accuracy of the output voltage. The switching clock can be forced to PWM mode and also synchronized to an external clock to minimize the disturbances.
The LP8752x-Q1 device supports load-current measurement without the addition of external current-sense resistors. The device also supports programmable start-up and shutdown delays and sequences synchronized to enable signals. The sequences can include GPIO signals to control external regulators, load switches, and processor reset. During start-up and voltage change, the device controls the output slew rate to minimize output-voltage overshoot and in-rush current.
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技術文件
| 重要文件 | 類型 | 標題 | 格式選項 | 下載最新的英文版本 | 日期 | |
|---|---|---|---|---|---|---|
| * | 資料表 | LP8752x-Q1 10-A Buck Converter With Integrated Switches datasheet | PDF | HTML | 2018/3/15 | ||
| * | 使用指南 | LP87522E-Q1 Technical Reference Manual | PDF | HTML | 2021/2/16 | ||
| 使用指南 | LP8752x-Q1 Configuration Guide (Rev. A) | PDF | HTML | 2025/7/30 | |||
| Application brief | The Benefits of FlexPower PMIC Devices (Rev. B) | PDF | HTML | 2020/11/23 | |||
| 應用說明 | Power Supply Design for AC8015 Using LP87522E-Q1 and LP873244-Q1 | PDF | HTML | 2020/9/30 | |||
| 應用說明 | How to Design Flexible Processor Power Systems Using PMICs (Rev. B) | 2020/1/27 | ||||
| 使用指南 | LP87522B-Q1 Technical Reference Manual | PDF | HTML | 2019/10/1 | |||
| 應用說明 | Stability Considerations for LP8756x-Q1 and LP8752x-Q1 | PDF | HTML | 2019/6/4 |
設計與開發
電源供應解決方案
探索包括 LP87522-Q1 的解決方案。TI 提供適用於 TI 與非 TI 之系統單晶片 (SoC)、處理器、微控制器、感測器或現場可編程邏輯閘陣列 (FPGA) 的電源供應解決方案。
LP87562Q1EVM — 具有整合式開關的二輸出 12-A + 4-A 降壓轉換器評估模組
LP87562Q1EVM 展示了德州儀器的積體電路 LP87562-Q1。
LP87562-Q1 為一高性能，多相降壓式轉換器，設計用途可滿足汽車應用中最新應用處理器的電源管理需求。裝置包含四個降壓式 DC-DC 轉換器核心，可配置為三相降壓與單相降壓。LP87562-Q1 可驅動高達 12A+4A 負載電流，並完美結合解決方案尺寸與效率。此裝置可透過 PC 及隨附的 GUI 控制。
此 EVM 可編程，以匹配 LP87562 或 LP87522 系列的任何配置。
PEET-GUI — PMIC 效率評估器工具 (PEET)
TIPA-050041 — 適用於汽車應用的 AC8015 電源供應設計
此電源設計適用於 AutoChips AC8015 汽車 SoC，專為入門級駕駛艙汽車電源設計而打造。本文件詳細說明使用 LP87522-Q1 與 LP8732-Q1 PMIC 之 AC8015 電源軌電源設計的設計考量。
| 封裝 | 針腳 | CAD 符號、佔位空間與 3D 模型 |
|---|---|---|
| VQFN-HR (RNF) | 26 | Ultra Librarian |
訂購與品質
建議產品可能具有與此 TI 產品相關的參數、評估模組或參考設計。