Overview
The VNH5019A-E is a fully integrated H-bridge motor driver designed by STMicroelectronics for a wide range of automotive applications. This device incorporates dual monolithic high-side drivers and two low-side switches, utilizing STMicroelectronics' proprietary VIPower® M0 technology. It is AEC-Q100 qualified, lead-free, and RoHS compliant, making it suitable for demanding automotive environments. The VNH5019A-E is capable of driving a single brushed DC motor with bidirectional speed control and offers robust protection features against various fault conditions.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Maximum Battery Voltage (VBAT) | -16 to 41 | V |
| Maximum Bridge Supply Voltage (VCC) | 41 | V |
| Maximum Output Current (Continuous) | 30 | A |
| Maximum Output Current (Peak) | 30 | A |
| On-Resistance (RDS(on)) | 18 mΩ (typical per leg) | mΩ |
| Operating Voltage Range (VCC) | 5.5 to 24 | V |
| Input Voltage Compatibility | 3 V CMOS compatible | |
| PWM Frequency | Up to 20 kHz | kHz |
| Case Operating Temperature | -40 to 150 | °C |
| Storage Temperature | -55 to 150 | °C |
Key Features
- AEC-Q100 qualified, lead-free, and RoHS compliant
- Output current: 30 A continuous, with peak current capability of 30 A
- 3 V CMOS compatible inputs
- PWM operation up to 20 kHz for quieter motor operation
- Current sense output proportional to motor current (approximately 140 mV/A)
- Undervoltage and overvoltage shutdown
- High-side and low-side thermal shutdown
- Short-to-ground and short-to-Vcc protection
- Reverse-voltage protection up to -16 V
- Low standby power consumption
- Protection against loss of ground and loss of VCC
Applications
The VNH5019A-E is designed for various automotive applications, including but not limited to:
- Electric power steering systems
- Electric pumps and fans
- Automotive actuators
- Other high-power DC motor control applications in automotive environments
Q & A
- What is the maximum output current of the VNH5019A-E?
The maximum output current is 30 A continuous and peak. - What is the operating voltage range for the VNH5019A-E?
The operating voltage range is from 5.5 V to 24 V. - Is the VNH5019A-E compatible with 3 V CMOS inputs?
Yes, it is compatible with 3 V CMOS inputs. - What is the maximum PWM frequency supported by the VNH5019A-E?
The maximum PWM frequency supported is up to 20 kHz. - Does the VNH5019A-E have thermal protection features?
Yes, it includes high-side and low-side thermal shutdown and overtemperature protection. - What kind of protection does the VNH5019A-E offer against short circuits?
The device offers protection against short-to-ground and short-to-Vcc conditions. - Is the VNH5019A-E AEC-Q100 qualified?
Yes, it is AEC-Q100 qualified, making it suitable for automotive applications. - What is the purpose of the current sense output on the VNH5019A-E?
The current sense output is proportional to the motor current, approximately 140 mV/A. - Can the VNH5019A-E operate with reverse battery voltage?
Yes, it has reverse-voltage protection up to -16 V. - What is the thermal resistance junction-case for the high-side and low-side drivers?
The thermal resistance junction-case for the high-side driver is 1.7 °C/W and for the low-side driver is 3.2 °C/W.
