Motor power depends on vehicle size and performance. MOSFETs are configured in 3-phase bridge arrangements to drive the BLDC motor.
The system must be capable of handling worst-case current and thermal surges caused by the torque assistant pulses.
Key MOSFET Requirements:
- Low on-resistance
- Low thermal resistance
- High surge current capacity
- Flexible packaging solutions
- Guaranteed repetitive avalanche capability
D2PAK are ideally suited to provide high power density and surge current capability required for power steering systems.
Main benefits:
- Lowest on-resistance
- Lowest thermal resistance
- Highest current handling capability
- Guaranteed repetitive avalanche rating
I2PAK & TO-220 provide flexible solutions for power steering systems where through-hole mounting is adopted.
Main benefits:
- Separate current and thermal paths
- Clamp, screw or solder mounting
- Low on-resistance
- High current handling capability
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Electric Power Steering
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Products
Automotive qualified products (AEC-Q100/Q101)
| Type number | Description | Status | Quick access |
|---|---|---|---|
| BUK7E1R9-40E | N-channel TrenchMOS standard level FET | EndOfLife | |
| BUK764R0-40E | N-channel TrenchMOS standard level FET | Production | |
| BUK761R7-40E | N-channel TrenchMOS standard level FET | Production | |
| BUK762R9-40E | N-channel TrenchMOS standard level FET | Production | |
| BUK763R8-80E | N-channel TrenchMOS standard level FET | Production | |
| BUK762R0-40E | N-channel TrenchMOS standard level FET | EndOfLife | |
| BUK761R6-40E | N-channel TrenchMOS standard level FET | Production | |
| BUK753R1-40E | N-channel TrenchMOS standard level FET | EndOfLife |
MOSFETs
| Type number | Description | Status | Quick access |
|---|---|---|---|
| BUK7E1R9-40E | N-channel TrenchMOS standard level FET | EndOfLife | |
| BUK764R0-40E | N-channel TrenchMOS standard level FET | Production | |
| BUK761R7-40E | N-channel TrenchMOS standard level FET | Production | |
| BUK762R9-40E | N-channel TrenchMOS standard level FET | Production | |
| BUK763R8-80E | N-channel TrenchMOS standard level FET | Production | |
| BUK762R0-40E | N-channel TrenchMOS standard level FET | EndOfLife | |
| BUK761R6-40E | N-channel TrenchMOS standard level FET | Production | |
| BUK753R1-40E | N-channel TrenchMOS standard level FET | EndOfLife |
Documentation
| File name | Title | Type | Date |
|---|---|---|---|
| compleet_1_steer.png | Steer | Marcom graphics | 2015-03-18 |
| vp_1426692453200.zip | Focus MOSFET application – Electric Power Steering | Value proposition | 2017-04-06 |
| Nexperia_Selection_guide_2023.pdf | Nexperia Selection Guide 2023 | Selection guide | 2023-05-10 |
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