Overview
The NCV887301D1R2G is an Automotive Grade Non-Synchronous Boost Controller produced by onsemi. This device is designed to supply a minimum output voltage during Start-Stop vehicle operation and battery voltage sags. It drives an external N-channel MOSFET and utilizes peak current mode control with internal slope compensation. The IC includes an internal regulator to supply charge to the gate driver and features low quiescent current sleep mode operation.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Dc Supply Voltage (VOUT) | VOUT | -0.3 | 40 | V | |
| Peak Transient Voltage (Load Dump on VOUT) | 45 | V | |||
| Operating Junction Temperature | TJ | -40 | 150 | °C | |
| Storage Temperature Range | -65 | 150 | °C | ||
| Switching Frequency | FSW | 153 | 170 | 501 | kHz |
| Quiescent Current, Sleep Mode | Iq,sleep | 12 | 14 | µA | |
| Maximum Duty Cycle | Dmax | 81 | 83 | 85 | % |
| Current Limit Threshold Voltage | Vcl | 180 | 200 | 220 | mV |
| Thermal Shutdown (TSD) | 150 | °C |
Key Features
- Automatic Enable Below Wake Up Threshold Voltage (Factory Programmable)
- Override Disable Function
- Boost Mode Operation at Regulation Set Point
- ±2% Output Accuracy Over Temperature Range
- Peak Current Mode Control with Internal Slope Compensation
- Externally Adjustable Frequency Operation
- Wide Input Voltage Range of 2 V to 40 V, 45 V Load Dump
- Low Quiescent Current in Sleep Mode (<12 µA Typical)
- Cycle-by-Cycle Current Limit Protection
- Hiccup-Mode Overcurrent Protection (OCP)
- Thermal Shutdown (TSD)
- Pb-Free Device
- NCV Prefix for Automotive and Other Applications Requiring Unique Site and Control Change Requirements; AEC-Q100
Applications
- Applications Requiring Regulated Voltage through Cranking and Start-Stop Operation
Q & A
- What is the primary function of the NCV887301D1R2G?
The NCV887301D1R2G is designed to supply a minimum output voltage during Start-Stop vehicle operation and battery voltage sags.
- What type of control does the NCV887301D1R2G use?
The device uses peak current mode control with internal slope compensation.
- What is the input voltage range of the NCV887301D1R2G?
The input voltage range is 2 V to 40 V, with a 45 V load dump capability.
- What protection features does the NCV887301D1R2G include?
The device includes cycle-by-cycle current limiting, hiccup-mode overcurrent protection, and thermal shutdown.
- How does the NCV887301D1R2G manage quiescent current?
The device features low quiescent current sleep mode operation, typically less than 12 µA.
- What is the switching frequency range of the NCV887301D1R2G?
The switching frequency range is from 153 kHz to 501 kHz.
- Is the NCV887301D1R2G Pb-free?
Yes, the NCV887301D1R2G is a Pb-free device.
- What is the operating junction temperature range of the NCV887301D1R2G?
The operating junction temperature range is from -40°C to 150°C.
- What kind of applications is the NCV887301D1R2G typically used in?
The device is typically used in applications requiring regulated voltage through cranking and Start-Stop operation.
- Does the NCV887301D1R2G have an internal regulator for the gate driver?
Yes, the device includes an internal regulator that supplies charge to the gate driver.
