概览
简介
Compliant with IMVP-7/VR12™, the ISL95831 provides a complete solution for microprocessor and graphic processor core power supply. It provides two Voltage Regulators (VRs) with three integrated gate drivers. The first VR can be configured as 3-, 2- or 1-phase VR while the second output is 1-phase VR, providing maximum flexibility. The two VRs share the serial control bus to communicate with the CPU and achieve lower cost and smaller board area compared with the two-chip approach. Based on Intersil's Robust Ripple Regulator (R3) technology™, the PWM modulator compared to traditional modulators, has faster transient settling time, variable switching frequency during load transients and has improved light load efficiency with It's ability to automatically change switching frequency. The ISL95831 has several other key features. Both outputs support DCR current sensing with single NTC thermistor for DCR temperature compensation or accurate resistor current sensing. Both outputs come with remote voltage sense, programmable VBOOT voltage, programmable IMAX, TMAX, adjustable switching frequency, OC protection and separate Power-Good.
特性
- Serial Data Bus
- Dual Outputs:
- Configurable 3-, 2- or 1-phase for the 1st Output using 2 integrated Gate Drivers
- 1-phase for the 2nd Output using an Integrated Gate Driver
- 0.5% System Accuracy Over-Temperature
- Supports Multiple Current Sensing Methods
- Lossless Inductor DCR Current Sensing
- Precision Resistor Current Sensing
- Differential Remote Voltage Sensing
- Programmable VBOOT Voltage at Start-up
- Resistor Programmable IMAX, TMAX for Both Outputs
- Adaptive Body Diode Conduction Time Reduction
应用
应用
- IMVP-7/VR12 Compliant Computers
文档
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日期 | |
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| PDF 191 KB | 数据手册 - 简易格式 | |
| PDF 5.51 MB 日文 | 手册 | |
| PDF 294 KB | 产品变更通告 | |
| PDF 2.47 MB | 数据手册 | |
| PDF 97 KB | 产品变更通告 | |
| PDF 140 KB | 产品变更通告 | |
| PDF 509 KB | 应用文档 | |
| PDF 397 KB | 应用文档 | |
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设计和开发
软件与工具
软件与工具
| Software title
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Software type
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公司
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|---|---|---|
| iSim:PE Offline Simulation Tool iSim Personal Edition (iSim:PE) speeds the design cycle and reduces risk early in any project, identifying parts that can be used in current as well as next-generation designs.
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Simulator | 瑞萨电子 |
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模型
ECAD 模块
Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on products in the Product Options table. If a symbol or model isn't available, it can be requested directly from the website.
Processing table
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支持
Renesas 样片
选择下单器件型号:
| 下单器件型号 | 样片 |
|---|---|
| ISL95831HRTZ | Availability |
| ISL95831HRTZ-T | Availability |
| ISL95831IRTZ | Availability |
| ISL95831IRTZ-T | Availability |