Overview
The NCP81071BZR2G is a high-speed dual low-side MOSFET driver produced by onsemi. This component is designed to provide large peak currents into capacitive loads, making it suitable for various high-performance applications. The driver features dual outputs, each capable of delivering up to 5 A of peak current, which helps in reducing the Miller effect during MOSFET switching transitions. It also includes enable functions for each driver, enhancing control capabilities. The NCP81071BZR2G is available in an MSOP8-EP package and is Pb-free, halogen-free, and RoHS compliant.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Supply Voltage | VDD | -0.3 | 24 | V | |
| Output Current (DC) | Iout_dc | 0.3 | A | ||
| Reverse Current (Pulse < 1 μs) | 6.0 | A | |||
| Output Current (Pulse < 0.5 μs) | Iout_pulse | 6.0 | A | ||
| Input Voltage | INA, INB | -6.0 | VDD+0.3 | V | |
| Enable Voltage | ENA, ENB | -0.3 | VDD+0.3 | V | |
| Output Voltage | OUTA, OUTB | -0.3 | VDD+0.3 | V | |
| Rise Time | tr | 8 | ns | ||
| Fall Time | tf | 8 | ns | ||
| Propagation Delay | td1, td2 | 20 | ns |
Key Features
- High current drive capability: ±5 A peak current
- TTL/CMOS compatible inputs independent of supply voltage
- Industry standard pin-out with enable functions for each driver
- High reverse current capability: 6 A peak
- Dual outputs can be paralleled for higher drive current
- Fast rise and fall times: 8 ns typical with 1.8 nF load
- Operating supply voltage range: 4.5 V to 20 V
- Pb-free, halogen-free, and RoHS compliant
Applications
- Server Power
- Telecommunication and Datacenter Power
- Synchronous Rectifier
- Switch Mode Power Supply
- DC/DC Converter
- Power Factor Correction
- Motor Drive
- Renewable Energy, Solar Inverter
Q & A
- What is the peak current capability of the NCP81071BZR2G?
The NCP81071BZR2G can deliver up to 5 A of peak current. - What are the typical rise and fall times of the NCP81071BZR2G?
The typical rise and fall times are 8 ns each with a 1.8 nF load. - What is the operating supply voltage range for the NCP81071BZR2G?
The operating supply voltage range is from 4.5 V to 20 V. - Does the NCP81071BZR2G have enable functions?
Yes, it has enable functions for each driver channel. - What are the typical propagation delay times for the NCP81071BZR2G?
The typical propagation delay times are 20 ns for both input falling and rising. - Is the NCP81071BZR2G RoHS compliant?
Yes, the NCP81071BZR2G is Pb-free, halogen-free, and RoHS compliant. - What are some common applications of the NCP81071BZR2G?
Common applications include server power, telecommunication and datacenter power, synchronous rectifier, switch mode power supply, DC/DC converter, power factor correction, motor drive, and renewable energy systems like solar inverters. - What package types are available for the NCP81071BZR2G?
The NCP81071BZR2G is available in an MSOP8-EP package. - How should the PCB be designed to optimize the performance of the NCP81071BZR2G?
The driver should be placed as close as possible to the driven MOSFET, and a bypass capacitor should be placed between VDD and GND close to the driver to improve noise filtering. Low inductance components and multiple paralleled vias are recommended to reduce inductance. - Can the dual outputs of the NCP81071BZR2G be paralleled for higher drive current?
Yes, the dual outputs can be paralleled to achieve higher drive current.
