Overview
The MC33HB2001EKR2, produced by NXP USA Inc., is a SMARTMOS monolithic H-Bridge Power IC designed for driving bi-directional DC motors. This device is enhanced with SPI configurability and advanced diagnostic capabilities, making it highly versatile and suitable for various automotive and industrial applications. It is particularly well-suited for the harsh environments found in automotive power train systems and is designed to meet the ISO 26262 safety standard requirements.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| Operating Voltage | Range of supply voltage | 5.0 V to 28 V |
| Current Rating | Peak current per output | 10 A (continuous), 16 A (transient, < 5.0 ms) |
| Slew Rate | Selectable slew rates via SPI | 0.25 V/μs to more than 16 V/μs |
| Current Limits | Selectable current limits via SPI | 5.4 A, 7.0 A, 8.8 A, 10.7 A |
| RDS(on) | Maximum on-resistance of MOSFETs | 125 mΩ (TJ = 150 °C) |
| Operating Temperature | Range of ambient and junction temperatures | TA = –40 °C to 125 °C, TJ = –40 °C to 150 °C |
| Package | Type and pin count | 32-pin SOICW exposed pad |
| Thermal Resistance | Junction to case thermal resistance | < 1.0 °C/W |
Key Features
- Advanced Diagnostic Reporting: Via SPI, including charge pump undervoltage, overvoltage, undervoltage on VPWR, short to ground and short to VPWR for each output, open load, temperature warning, and overtemperature shutdown.
- Configurable Slew Rates and Current Limits: Eight selectable slew rates and four selectable current limits via SPI for EMI and thermal performance optimization.
- Real-Time Current Feedback: Highly accurate current feedback through a current mirror output signal with less than 5.0% error.
- Protection Features: Internal protection for overtemperature, undervoltage, and short-circuit by signaling the error condition and disabling the outputs.
- Operational Modes: Sleep, Standby, Normal, and Fault modes for efficient and safe operation.
- AEC-Q100 Grade 1 Qualified: Suitable for automotive applications with stringent reliability and performance requirements.
Applications
- Electronic Throttle Control: For precise control of engine throttle.
- Exhaust Gas Recirculation (EGR) Control: For managing exhaust gas recirculation in automotive systems.
- Turbo, Swirl, and Whirl and Waste Flap Control: For various engine and exhaust system controls.
- Electric Pumps and Motor Control: For driving electric pumps and other motor-driven auxiliaries.
Q & A
- What is the operating voltage range of the MC33HB2001EKR2?
The operating voltage range is from 5.0 V to 28 V.
- What are the selectable slew rates available via SPI?
The slew rates range from 0.25 V/μs to more than 16 V/μs.
- What are the current limits that can be set via SPI?
The current limits are 5.4 A, 7.0 A, 8.8 A, and 10.7 A.
- What is the maximum on-resistance of the integrated MOSFETs?
The maximum on-resistance is 125 mΩ at TJ = 150 °C.
- What are the key protection features of the MC33HB2001EKR2?
The device includes protection for overtemperature, undervoltage, and short-circuit, along with advanced diagnostic reporting.
- What are the operational modes of the MC33HB2001EKR2?
The device operates in Sleep, Standby, Normal, and Fault modes.
- Is the MC33HB2001EKR2 suitable for automotive applications?
Yes, it is AEC-Q100 Grade 1 qualified and designed to meet ISO 26262 safety standard requirements.
- What is the thermal resistance of the device?
The junction to case thermal resistance is less than 1.0 °C/W.
- How does the device provide current feedback?
The device provides highly accurate real-time current feedback through a current mirror output signal with less than 5.0% error.
- What types of loads can the MC33HB2001EKR2 drive?
The device can drive inductive loads in both full H-bridge and half-bridge configurations.
