Model No: ISL95808HRZ-T
Renesas Electronics Corporation ISL95808HRZ-T
Manufacturer: Renesas Electronics Corporation
SEMICON NO.: ISL95808HRZ-T
Package: 8-DFN
Stock: In stock
Description: IC GATE driver Half-bridge
SEMICON NO.: ISL95808HRZ-T
Package: 8-DFN
Stock: In stock
Description: IC GATE driver Half-bridge
Quantity :
| Mfr | Renesas Electronics Corporation |
| Product Type | Multiphase PWM Controller for CPU/GPU Core Power |
| Input Voltage Range | 4.5V to 25V (VIN) |
| Output Voltage Range | 0.3V to 1.52V (Programmable via SVID/I2C) |
| Max Output Current | Supports 4-Phase Configuration (Up to 120A Total) |
| Switching Frequency | 200kHz to 1.5MHz (Adjustable per Phase) |
| Control Interface | SVID (Serial VID) & I2C Compatibility |
| Voltage Accuracy | ±0.5% (DC Output) |
| Dynamic Voltage Scaling | Yes (Supports Intel/AMD Power States) |
| Protection Features | Over-Current (OCP), Over-Voltage (OVP), Over-Temperature (OTP), Under-Voltage Lockout (UVLO) |
| Efficiency | >90% (Typical at Full Load) |
| Operating Temperature | -40°C to +105°C |
| Package / Case | 8-DFN |
| Compliance | RoHS, Halogen-Free |
| Applications | Laptop/Server CPU/GPU VRM, High-Current DC/DC Systems |
ISL95808HRZ-T MOSFET Driver, High Frequency Driver ChipDetails
The ISL95808HRZ-T is a high-frequency, dual MOSFET driver designed by Renesas, optimized for driving two N-Channel power MOSFETs in a synchronous-rectified buck converter topology. It is particularly suited for mobile computing applications that demand high efficiency and excellent thermal performance. Combined with a multiphase Buck PWM controller, it forms a complete single-stage core-voltage regulator solution for advanced mobile microprocessors.
Synchronous Rectified Buck Converter Features
The ISL95808HRZ-T boasts several key features that enhance its performance and versatility. It supports a high switching frequency up to 2MHz, ensuring fast output rise and fall times with low propagation delay. Each driver can handle a 3000pF load with propagation delays of 8ns and transition times under 10ns. The device features adaptive shoot-through protection to prevent simultaneous conduction of both MOSFETs and includes a diode emulation feature that enhances converter efficiency at light load conditions. Additionally, it offers very low shutdown supply current (5V, 3µA) to ensure low power consumption.
Applications
- Mobile Computing: Ideal for core voltage supplies in Intel® and AMD™ mobile microprocessors, where high efficiency and thermal performance are critical.
- Power Management: Suitable for high-frequency, low-profile DC/DC converters and high current, low output voltage DC/DC converters.
- Industrial Control: Can be used in servo motor control, PLC control, and industrial robots, enhancing system efficiency and reliability.
- Motor Drives: Applicable in BLDC motor drives and stepper motor drives for efficient and precise motor control.
- Automotive Electronics: Suitable for electric vehicle drive systems and automotive lighting systems, improving system efficiency and safety.
Selection Advantages
Choosing the ISL95808HRZ-T offers several benefits. Its high switching frequency and low propagation delay make it suitable for applications requiring fast transient response. The adaptive shoot-through protection and diode emulation feature enhance reliability and efficiency, especially under light load conditions. Additionally, its low shutdown supply current ensures minimal power consumption, making it ideal for battery-powered devices.
Alternative MOSFET driver ICModels
While the ISL95808HRZ-T is a popular choice for high-frequency MOSFET drivers, there are alternative models available from other manufacturers. For example, the MAX15060 from Maxim Integrated offers similar functionalities but with a different package option and slightly different voltage range. Another alternative is the ADP3120A from Analog Devices, which provides robust performance in high-frequency switching applications.
The ISL95808HRZ-T is a high-frequency, dual MOSFET driver designed by Renesas, optimized for driving two N-Channel power MOSFETs in a synchronous-rectified buck converter topology. It is particularly suited for mobile computing applications that demand high efficiency and excellent thermal performance. Combined with a multiphase Buck PWM controller, it forms a complete single-stage core-voltage regulator solution for advanced mobile microprocessors.
Synchronous Rectified Buck Converter Features
The ISL95808HRZ-T boasts several key features that enhance its performance and versatility. It supports a high switching frequency up to 2MHz, ensuring fast output rise and fall times with low propagation delay. Each driver can handle a 3000pF load with propagation delays of 8ns and transition times under 10ns. The device features adaptive shoot-through protection to prevent simultaneous conduction of both MOSFETs and includes a diode emulation feature that enhances converter efficiency at light load conditions. Additionally, it offers very low shutdown supply current (5V, 3µA) to ensure low power consumption.
Applications
- Mobile Computing: Ideal for core voltage supplies in Intel® and AMD™ mobile microprocessors, where high efficiency and thermal performance are critical.
- Power Management: Suitable for high-frequency, low-profile DC/DC converters and high current, low output voltage DC/DC converters.
- Industrial Control: Can be used in servo motor control, PLC control, and industrial robots, enhancing system efficiency and reliability.
- Motor Drives: Applicable in BLDC motor drives and stepper motor drives for efficient and precise motor control.
- Automotive Electronics: Suitable for electric vehicle drive systems and automotive lighting systems, improving system efficiency and safety.
Selection Advantages
Choosing the ISL95808HRZ-T offers several benefits. Its high switching frequency and low propagation delay make it suitable for applications requiring fast transient response. The adaptive shoot-through protection and diode emulation feature enhance reliability and efficiency, especially under light load conditions. Additionally, its low shutdown supply current ensures minimal power consumption, making it ideal for battery-powered devices.
Alternative MOSFET driver ICModels
While the ISL95808HRZ-T is a popular choice for high-frequency MOSFET drivers, there are alternative models available from other manufacturers. For example, the MAX15060 from Maxim Integrated offers similar functionalities but with a different package option and slightly different voltage range. Another alternative is the ADP3120A from Analog Devices, which provides robust performance in high-frequency switching applications.