Overview
The VNH2SP30-E is a fully integrated H-bridge motor driver designed by STMicroelectronics for a wide range of automotive applications. This device incorporates a dual monolithic high-side driver and two low-side switches, utilizing STMicroelectronics' proprietary VIPower M0 technology for the high-side driver and STripFET™ process for the low-side switches. The components are assembled in a MultiPowerSO-30 package, which is specifically designed for harsh automotive environments and offers improved thermal performance and superior manufacturability at the board level.
Key Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Type | Half Bridge | Operating Supply Voltage | 5.5 V to 16 V |
| Operating Supply Current | 10 mA | Minimum Operating Temperature | -40°C |
| Maximum Operating Temperature | +150°C | Mounting Style | SMD/SMT |
| Brand | STMicroelectronics | Maximum Continuous Current | 30 A |
| On Resistance (per leg) | 19 mΩ max | Package | MultiPowerSO-30 |
| PWM Frequency | Up to 20 kHz | Peak Output Current | 80 A |
Key Features
- Motor speed and position tracking
- Pulse-width modulation (PWM) control feature up to 20 kHz
- Fault detection and reporting mechanism, including overtemperature, short to battery, and short to ground detection
- Safe and reliable shutdown operation
- Soft-start function for motor acceleration
- Real-time motor current and voltage monitoring through the CS pin
- Protection against loss of ground and loss of VCC
- Linear current limiter and overvoltage clamp
- 5V logic level compatible inputs
- Undervoltage and overvoltage shut-down
- Cross-conduction protection and thermal shut down
Applications
- Automotive applications such as electric power steering systems, electric pumps and fans, and advanced window lift systems
- Industrial applications for controlling motors in conveyor belts, robotic arms, and CNC machines
- Other applications include automotive sensors, smart thermostats, and laser cutting machines
Q & A
- Q: What is the VNH2SP30-E and its primary application?
A: The VNH2SP30-E is a fully integrated H-bridge motor driver designed for automotive applications, allowing for bidirectional motor control with various protection features.
- Q: What are the key specifications of the VNH2SP30-E?
A: Key specifications include an operating supply voltage of 5.5 V to 16 V, maximum continuous current of 30 A, on resistance of 19 mΩ per leg, and PWM frequency up to 20 kHz.
- Q: What protection features does the VNH2SP30-E offer?
A: The device offers protection against overcurrent, overtemperature, short circuits, loss of ground, and loss of VCC, as well as undervoltage and overvoltage shut-down.
- Q: How can the motor speed be controlled using the VNH2SP30-E?
A: The motor speed can be controlled using PWM up to 20 kHz. The PWM pin controls the LS A and LS B switches, allowing for precise speed control.
- Q: What is the package type of the VNH2SP30-E?
A: The VNH2SP30-E comes in a MultiPowerSO-30 package, designed for harsh automotive environments with improved thermal performance.
- Q: Is the VNH2SP30-E AEC-Q100 compliant?
A: Yes, the VNH2SP30-E is AEC-Q100 compliant, making it suitable for automotive applications.
- Q: How can I monitor the motor current using the VNH2SP30-E?
A: The motor current can be monitored through the CS pin, which delivers a current proportional to the motor current value.
- Q: What is the maximum operating temperature of the VNH2SP30-E?
A: The maximum operating temperature is +150°C.
- Q: Can the VNH2SP30-E be used in multi-motor configurations?
A: Yes, the VNH2SP30-E can be used in multi-motor driving applications, such as seat positioning systems, by putting unused half-bridges into high impedance.
- Q: How do I clear a fault condition on the VNH2SP30-E?
A: To clear a fault condition, pull all inputs, PWM, and Diag/EN pins low within the specified delay time. If the Diag/EN pins are already low and PWM=0, simply toggling the input will clear the fault.
