深圳市中立信电子科技有限公司

ISL95857HRTZ

开关控制器 Multi-phase 1+2+1 Regulator/ IMVP8

1+2+1 Voltage Regulator for Intel IMVP8™ CPUs

Compliant with Intel IMVP8™, the ISL95857HRTZ ISL95857 provides a  complete power solution for Intel microprocessors supporting  core, graphics and system agent rails. The controller provides  control and protection for three Voltage Regulator (VR)  outputs. VR A and VR C outputs support 1-phase operation  only, while VR B is configurable for 2- or 1-phase operation. The  address options programmable for these three outputs allow  for maximum flexibility in support of the IMVP8™ CPU. All three  VRs share a common serial control bus to communicate with the  CPU and achieve lower cost and smaller board area compared  with a two-chip approach.

Features ISL95857HRTZ

• Supports Intel serial data bus interface

• System input power monitor (PSYS) supported

• Three output controller

- VR A supports 1-phase VR design

- VR B configurable for 2-, 1-phase VR design

- VR C supports 1-phase VR design

• 0.5% system accuracy over temperature

• Low supply current in PS4 state

• Supports multiple current sensing methods

- Lossless inductor DCR current sensing

- Precision resistor current sensing

• Differential remote voltage sensing

• Programmable SVID address

• Resistor programmable address selection, IMAX and switching frequency

Applications ISL95857HRTZ

• IMVP8 compliant notebooks, desktops, ultrabooks and tablets