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Hello, Please ask a question about L6714 Datasheet
# Example questions:
➢ What is the key difference in how a '0' or '1' is signaled on the vid pins in each mode?
➢ What is the primary function of the 'osc/fault' pin and what condition causes it to be forced high?
➢ The 'offset' pin allows for programming a positive offset on the fb pin. what is the purpose of this offset and how is it implemented?
Document Type: This is a datasheet or technical manual excerpt for the L6714 power management IC (Integrated Circuit). It appears to be a highly complex controller designed for VR (Voltage Regulator) applications, likely in computing (motherboards, CPUs, GPUs).
Key Features & Capabilities:
️· Multi-Phase Control: Designed to drive multiple power phases (up to 6 based on pin count – 4 channels are definitely detailed). This improves efficiency and current handling.
️· Advanced Monitoring & Protection: Features a sophisticated system for monitoring voltage, current, and temperature. Includes Over Voltage Protection (OVP), Under Voltage Protection (UVP), and fault signaling.
️· Programmability: Extremely configurable. Many parameters can be adjusted via external resistors and connections, including:
- Switching Frequency: Controlled by an external resistor connected to the OSC/FAULT pin.
- Output Voltage: Programmed using the VID (Voltage IDentification) pins. Supports both Intel and AMD VID coding schemes.
- Protection Thresholds: OVP thresholds can be programmed.
- Droop Control: Allows for implementing voltage droop for improved load transients.
️· Remote Sensing: Supports remote sense buffering (FBR, FBG, FBR) to improve voltage accuracy at the load.
️· Current Sensing: Offers flexible current sensing options (LS MOSFET sense or inductor DCR sense).
️· Digital Communication: Implements D-VID (Dynamic VID) communication.
️· Soft-Start: Implements a soft-start feature to limit inrush current.
Pinout Highlights:
️· VID Pins (VID0-VID7): Used to set the output voltage.
️· CSx+ and CSx-: Current sense inputs for each phase.
️· VID\_SEL: Selects between Intel and AMD VR coding schemes.
️· OSC/FAULT: Controls switching frequency and signals faults.
️· FBR/FBG: Remote sense buffering pins.
️· DROOP: Pin used for implementing droop control.
Target Applications:
️· CPU/GPU power delivery in desktop and laptop computers.
️· High-performance VRMs (Voltage Regulator Modules).
️· Any application requiring a highly accurate, programmable, and efficient power supply.
Overall Impression:
The L6714 is a highly advanced and versatile power management IC. It offers a lot of flexibility and control, making it suitable for demanding applications. However, its complexity suggests that it's likely aimed at experienced power supply designers.
Document Type: This is a datasheet or technical manual excerpt for the L6714 power management IC (Integrated Circuit). It appears to be a highly complex controller designed for VR (Voltage Regulator) applications, likely in computing (motherboards, CPUs, GPUs).
Key Features & Capabilities:
️· Multi-Phase Control: Designed to drive multiple power phases (up to 6 based on pin count – 4 channels are definitely detailed). This improves efficiency and current handling.
️· Advanced Monitoring & Protection: Features a sophisticated system for monitoring voltage, current, and temperature. Includes Over Voltage Protection (OVP), Under Voltage Protection (UVP), and fault signaling.
️· Programmability: Extremely configurable. Many parameters can be adjusted via external resistors and connections, including:
- Switching Frequency: Controlled by an external resistor connected to the OSC/FAULT pin.
- Output Voltage: Programmed using the VID (Voltage IDentification) pins. Supports both Intel and AMD VID coding schemes.
- Protection Thresholds: OVP thresholds can be programmed.
- Droop Control: Allows for implementing voltage droop for improved load transients.
️· Remote Sensing: Supports remote sense buffering (FBR, FBG, FBR) to improve voltage accuracy at the load.
️· Current Sensing: Offers flexible current sensing options (LS MOSFET sense or inductor DCR sense).
️· Digital Communication: Implements D-VID (Dynamic VID) communication.
️· Soft-Start: Implements a soft-start feature to limit inrush current.
Pinout Highlights:
️· VID Pins (VID0-VID7): Used to set the output voltage.
️· CSx+ and CSx-: Current sense inputs for each phase.
️· VID\_SEL: Selects between Intel and AMD VR coding schemes.
️· OSC/FAULT: Controls switching frequency and signals faults.
️· FBR/FBG: Remote sense buffering pins.
️· DROOP: Pin used for implementing droop control.
Target Applications:
️· CPU/GPU power delivery in desktop and laptop computers.
️· High-performance VRMs (Voltage Regulator Modules).
️· Any application requiring a highly accurate, programmable, and efficient power supply.
Overall Impression:
The L6714 is a highly advanced and versatile power management IC. It offers a lot of flexibility and control, making it suitable for demanding applications. However, its complexity suggests that it's likely aimed at experienced power supply designers.
| Part No. | L6714 |
| Manufacturer | STMICROELECTRONICS |
| Size | 677 Kbytes |
| Pages | 70 pages |
| Description | 4 phase controller with embedded drivers for Intel VR10, VR11 and AMD 6Bit CPUs |
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